{"product_id":"e101-s3wn16r8-series-esp32-s3r8-wifi-bluetooth-le-5-0-module-pcb-ipex-1","title":"Ebyte E101-S3WN16R8 Series ESP32-S3R8 WiFi Bluetooth LE 5.0 Module PCB IPEX-1","description":"\u003cdiv class=\"ebyte-product-description\" style=\"font-family: -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif; line-height: 1.6; color: #333333; max-width: 1000px; margin: 0 auto;\"\u003e\n\u003cp style=\"font-size: 15px; background-color: #f8f9fa; border-left: 4px solid #0066cc; padding: 12px 16px; margin-bottom: 24px;\"\u003eThe Ebyte E101-S3WN16R8 series is a general-purpose dual-core Wi-Fi + Bluetooth LE module built on the ESP32-S3R8 SoC, delivering 802.11 b\/g\/n on 2.4GHz plus Bluetooth LE 5.0 over SPI, UART and other peripheral interfaces at 20dBm transmit power with a 200m (0.2km) open-field test range, offered as the E101-S3WN16R8-PS with an on-board PCB antenna in an 18x25.5mm outline and the E101-S3WN16R8-XS with an IPEX-1 antenna connector in 18x19.2mm, both running from a 3.0~3.6V supply and sharing one antenna for Wi-Fi \/ Bluetooth coexistence.\u003c\/p\u003e\n\u003ch2 style=\"font-size: 20px; color: #111827; border-bottom: 2px solid #e5e7eb; padding-bottom: 8px; margin-top: 32px; margin-bottom: 16px;\"\u003eKey Features \u0026amp; Advantages\u003c\/h2\u003e\n\u003cul style=\"padding-left: 20px; margin-bottom: 24px; font-size: 14px;\"\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003eDual-Core ESP32-S3R8 With On-Package PSRAM:\u003c\/strong\u003e The module is built on the ESP32-S3R8, the dual-core Xtensa LX7 Wi-Fi \/ Bluetooth LE SoC variant whose \"R8\" suffix denotes 8MB of on-package octal PSRAM, giving the headroom for neural-network workloads such as wake-word detection, voice command recognition and face detection that a plain Wi-Fi chip cannot carry.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003eWi-Fi and Bluetooth LE 5.0 Coexistence On One Antenna:\u003c\/strong\u003e 802.11 b\/g\/n and Bluetooth LE 5.0 share the 2.4GHz band through a single antenna port with an internal co-existence switch, so a product can run Bluetooth for provisioning and near-field control while Wi-Fi carries the cloud stream, without paying for a second antenna and a second radio chain.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003e20dBm Transmit Power, 200m Field Range:\u003c\/strong\u003e The series table lists 20dBm (100mW) transmit power and a 0.2km test distance. That is a meaningful step above the ~0dBm typical of bare modules, and it is exactly why the RF path, the ground plane and the antenna clearance have to be designed deliberately rather than treated as an afterthought.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003eRich Peripheral Set For Real Products:\u003c\/strong\u003e The 41-pad footprint exposes UART (U0 \/ U1 with RTS \/ CTS), SPI (full-size FSPI plus a secondary SUBSPI set), I\/O with ADC1 \/ ADC2 channels, touch channels, RTC GPIO on the deep-sleep domain, and USB D+ \/ D- on IO19 \/ IO20, so a host sensor, display or audio front-end can hang directly off the module instead of requiring an extra MCU.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003eTwo Antenna Options, One Board Design:\u003c\/strong\u003e The PS variant integrates a PCB on-board antenna in the longer 18x25.5mm outline for products whose enclosure is plastic and where an external antenna would be a cost and assembly problem; the XS variant drops to 18x19.2mm and brings the RF out to an IPEX-1 pad so metal or buried enclosures can host a remote antenna.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003eDefined Power And Storage Envelope:\u003c\/strong\u003e Recommended operating conditions are 3.0~3.6V with a typical 3.3V rail and at least 0.5A of available supply current, a -40~+85°C operating range, 85%RH humidity, and absolute-maximum VDD33 of 3.6V — the numbers an industrial design review will ask for before the module goes onto a bill of materials.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"font-size: 20px; color: #111827; border-bottom: 2px solid #e5e7eb; padding-bottom: 8px; margin-top: 32px; margin-bottom: 16px;\"\u003eCore Specifications\u003c\/h2\u003e\n\u003cp style=\"font-size: 13px; color: #57606a; margin-bottom: 10px;\"\u003eValues are compiled from the Ebyte official per-model parameter tables and the recommended-operating-conditions \/ DC-characteristics tables on the product pages. Cells marked \u003cem\u003e[to be confirmed]\u003c\/em\u003e are not published on those pages — they are listed in the E101-S3W series datasheet download instead and should be confirmed there before design freeze.\u003c\/p\u003e\n\u003cdiv style=\"overflow-x: auto; margin-bottom: 24px;\"\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 13px; text-align: left; border: 1px solid #e0e0e0;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background-color: #f3f4f6;\"\u003e\n\u003cth style=\"padding: 9px 10px; border: 1px solid #e0e0e0; text-align: left;\"\u003eParameter\u003c\/th\u003e\n\u003cth style=\"padding: 9px 10px; border: 1px solid #e0e0e0; text-align: left;\"\u003eE101-S3WN16R8-PS\u003c\/th\u003e\n\u003cth style=\"padding: 9px 10px; border: 1px solid #e0e0e0; text-align: left;\"\u003eE101-S3WN16R8-XS\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 10px; border: 1px solid #e0e0e0;\"\u003eChipset\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 10px; border: 1px solid #e0e0e0;\"\u003eESP32-S3R8 (dual-core)\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 10px; border: 1px solid #e0e0e0;\"\u003eESP32-S3R8 (dual-core)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f9fafb;\"\u003e\n\u003ctd style=\"padding: 9px 10px; border: 1px solid #e0e0e0;\"\u003eCarrier frequency band\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 10px; border: 1px solid #e0e0e0;\"\u003e2.4GHz\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 10px; border: 1px solid #e0e0e0;\"\u003e2.4GHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 10px; border: 1px solid #e0e0e0;\"\u003eProtocols \/ air rate\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 10px; border: 1px solid #e0e0e0;\"\u003e802.11 b\/g\/n + Bluetooth LE 5.0\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 10px; border: 1px solid #e0e0e0;\"\u003e802.11 b\/g\/n + Bluetooth LE 5.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f9fafb;\"\u003e\n\u003ctd style=\"padding: 9px 10px; border: 1px solid #e0e0e0;\"\u003eTransmit power\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 10px; border: 1px solid #e0e0e0;\"\u003e20dBm\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 10px; border: 1px solid #e0e0e0;\"\u003e20dBm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 10px; border: 1px solid #e0e0e0;\"\u003eTest distance\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 10px; border: 1px solid #e0e0e0;\"\u003e0.2km (200m, open field)\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 10px; border: 1px solid #e0e0e0;\"\u003e0.2km (200m, open field)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f9fafb;\"\u003e\n\u003ctd style=\"padding: 9px 10px; border: 1px solid #e0e0e0;\"\u003eAntenna type (package form)\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 10px; border: 1px solid #e0e0e0;\"\u003e\u003cstrong\u003ePCB on-board antenna\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 10px; border: 1px solid #e0e0e0;\"\u003e\u003cstrong\u003eIPEX-1 connector\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 10px; border: 1px solid #e0e0e0;\"\u003eModule dimensions\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 10px; border: 1px solid #e0e0e0;\"\u003e\u003cstrong\u003e18 x 25.5mm\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 10px; border: 1px solid #e0e0e0;\"\u003e\u003cstrong\u003e18 x 19.2mm\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f9fafb;\"\u003e\n\u003ctd style=\"padding: 9px 10px; border: 1px solid #e0e0e0;\"\u003eHost interfaces\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 10px; border: 1px solid #e0e0e0;\"\u003eSPI, UART and others\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 10px; border: 1px solid #e0e0e0;\"\u003eSPI, UART and others\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 10px; border: 1px solid #e0e0e0;\"\u003eRecommended supply VDD33\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 10px; border: 1px solid #e0e0e0;\"\u003e3.0 ~ 3.6V (typ. 3.3V)\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 10px; border: 1px solid #e0e0e0;\"\u003e3.0 ~ 3.6V (typ. 3.3V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f9fafb;\"\u003e\n\u003ctd style=\"padding: 9px 10px; border: 1px solid #e0e0e0;\"\u003eSupply current required\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 10px; border: 1px solid #e0e0e0;\"\u003e≥ 0.5A from the external rail\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 10px; border: 1px solid #e0e0e0;\"\u003e≥ 0.5A from the external rail\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 10px; border: 1px solid #e0e0e0;\"\u003eAbsolute maximum VDD33\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 10px; border: 1px solid #e0e0e0;\"\u003e3.6V (min -0.3V)\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 10px; border: 1px solid #e0e0e0;\"\u003e3.6V (min -0.3V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f9fafb;\"\u003e\n\u003ctd style=\"padding: 9px 10px; border: 1px solid #e0e0e0;\"\u003eRecommended operating temperature\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 10px; border: 1px solid #e0e0e0;\"\u003e-40 ~ +85°C\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 10px; border: 1px solid #e0e0e0;\"\u003e-40 ~ +85°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 10px; border: 1px solid #e0e0e0;\"\u003eStorage temperature\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 10px; border: 1px solid #e0e0e0;\"\u003e-40 ~ +85°C\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 10px; border: 1px solid #e0e0e0;\"\u003e-40 ~ +85°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f9fafb;\"\u003e\n\u003ctd style=\"padding: 9px 10px; border: 1px solid #e0e0e0;\"\u003eHumidity\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 10px; border: 1px solid #e0e0e0;\"\u003e85%RH\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 10px; border: 1px solid #e0e0e0;\"\u003e85%RH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 10px; border: 1px solid #e0e0e0;\"\u003ePad count \/ type\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 10px; border: 1px solid #e0e0e0;\"\u003e41 pads: GND, 3V3, EN, 36 I\/O, second GND, EPAD\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 10px; border: 1px solid #e0e0e0;\"\u003e41 pads: GND, 3V3, EN, 36 I\/O, second GND, EPAD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f9fafb;\"\u003e\n\u003ctd style=\"padding: 9px 10px; border: 1px solid #e0e0e0;\"\u003eDigital I\/O drive (typ.)\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 10px; border: 1px solid #e0e0e0;\"\u003eIOH 40mA \/ IOL 28mA @ 3.3V, PAD_DRIVER=3\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 10px; border: 1px solid #e0e0e0;\"\u003eIOH 40mA \/ IOL 28mA @ 3.3V, PAD_DRIVER=3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 10px; border: 1px solid #e0e0e0;\"\u003eInternal weak pull-up \/ pull-down\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 10px; border: 1px solid #e0e0e0;\"\u003e45kΩ typ.\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 10px; border: 1px solid #e0e0e0;\"\u003e45kΩ typ.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f9fafb;\"\u003e\n\u003ctd style=\"padding: 9px 10px; border: 1px solid #e0e0e0;\"\u003eFlash \/ PSRAM\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 10px; border: 1px solid #e0e0e0;\"\u003e[to be confirmed — see E101-S3W datasheet]\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 10px; border: 1px solid #e0e0e0;\"\u003e[to be confirmed — see E101-S3W datasheet]\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 10px; border: 1px solid #e0e0e0;\"\u003eReceive sensitivity \/ EVM\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 10px; border: 1px solid #e0e0e0;\"\u003e[to be confirmed — see E101-S3W datasheet]\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 10px; border: 1px solid #e0e0e0;\"\u003e[to be confirmed — see E101-S3W datasheet]\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f9fafb;\"\u003e\n\u003ctd style=\"padding: 9px 10px; border: 1px solid #e0e0e0;\"\u003eSleep \/ peak current figures\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 10px; border: 1px solid #e0e0e0;\"\u003e[to be confirmed — see E101-S3W datasheet]\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 10px; border: 1px solid #e0e0e0;\"\u003e[to be confirmed — see E101-S3W datasheet]\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 10px; border: 1px solid #e0e0e0;\"\u003eRegulatory certification\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 10px; border: 1px solid #e0e0e0;\"\u003e[to be confirmed — not stated on the product page]\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 10px; border: 1px solid #e0e0e0;\"\u003e[to be confirmed — not stated on the product page]\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch2 style=\"font-size: 20px; color: #111827; border-bottom: 2px solid #e5e7eb; padding-bottom: 8px; margin-top: 32px; margin-bottom: 16px;\"\u003eProduct Selection Guide\u003c\/h2\u003e\n\u003cp style=\"font-size: 14px; font-weight: 600; color: #cf222e; margin-bottom: 12px;\"\u003eNotice for Selection: 2.4GHz ISM is licence-free in most regions but permitted EIRP, channel plan and duty-cycle rules still differ (FCC Part 15, RED 2014\/53\/EU, MIIT in China), and certification status for this series is not stated on the product page — verify both against your target market before design freeze. Then choose by antenna environment: plastic or open enclosure with the antenna edge near a board cut-out, and you want no external antenna or connector cost, choose \u003cstrong\u003eE101-S3WN16R8-PS (PCB on-board antenna, 18x25.5mm)\u003c\/strong\u003e; metal enclosure, buried mounting, or an enclosure where the antenna must be relocated away from the noisy board area, choose \u003cstrong\u003eE101-S3WN16R8-XS (IPEX-1, 18x19.2mm)\u003c\/strong\u003e and budget for the external antenna and its cable loss.\u003c\/p\u003e\n\u003cdiv style=\"overflow-x: auto; margin-bottom: 32px;\"\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 13px; text-align: center; border: 1px solid #e0e0e0;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background-color: #0066cc; color: #ffffff;\"\u003e\n\u003cth style=\"padding: 9px 10px; border: 1px solid #0055aa;\"\u003eDecision factor\u003c\/th\u003e\n\u003cth style=\"padding: 9px 10px; border: 1px solid #0055aa;\"\u003eE101-S3WN16R8-PS\u003c\/th\u003e\n\u003cth style=\"padding: 9px 10px; border: 1px solid #0055aa;\"\u003eE101-S3WN16R8-XS\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 10px; border: 1px solid #e0e0e0; text-align: left;\"\u003eAntenna implementation\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 10px; border: 1px solid #e0e0e0;\"\u003eOn-board PCB antenna, no connector\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 10px; border: 1px solid #e0e0e0;\"\u003eIPEX-1 pad, external antenna required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f9fafb;\"\u003e\n\u003ctd style=\"padding: 9px 10px; border: 1px solid #e0e0e0; text-align: left;\"\u003eModule outline\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 10px; border: 1px solid #e0e0e0;\"\u003e18 x 25.5mm (longer — antenna area included)\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 10px; border: 1px solid #e0e0e0;\"\u003e18 x 19.2mm (smaller footprint)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 10px; border: 1px solid #e0e0e0; text-align: left;\"\u003eBest enclosure fit\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 10px; border: 1px solid #e0e0e0;\"\u003ePlastic, open-frame, wall panel, speaker housing\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 10px; border: 1px solid #e0e0e0;\"\u003eMetal, shielded, embedded or space-critical housing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f9fafb;\"\u003e\n\u003ctd style=\"padding: 9px 10px; border: 1px solid #e0e0e0; text-align: left;\"\u003eRF reach control\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 10px; border: 1px solid #e0e0e0;\"\u003eFixed by the on-board PCB element\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 10px; border: 1px solid #e0e0e0;\"\u003eSelectable — swap antenna gain and placement\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 10px; border: 1px solid #e0e0e0; text-align: left;\"\u003eBOM \/ assembly impact\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 10px; border: 1px solid #e0e0e0;\"\u003eNo antenna or cable to source and place\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 10px; border: 1px solid #e0e0e0;\"\u003eAdds antenna + IPEX-1 cable and one placement step\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f9fafb;\"\u003e\n\u003ctd style=\"padding: 9px 10px; border: 1px solid #e0e0e0; text-align: left;\"\u003eChipset \/ power \/ output\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 10px; border: 1px solid #e0e0e0;\"\u003eIdentical: ESP32-S3R8, 3.0~3.6V, 20dBm\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 10px; border: 1px solid #e0e0e0;\"\u003eIdentical: ESP32-S3R8, 3.0~3.6V, 20dBm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ebyte-detail-images\" style=\"margin-bottom: 30px;\"\u003e\n\u003cp style=\"margin: 0; padding: 0; line-height: 0; text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0615\/5911\/1885\/files\/01_1ff6ec8a-6cd0-4d71-85b2-7f07bc5cb60c.jpg?v=1794448350\" alt=\"Ebyte E101-S3WN16R8 ESP32-S3 WiFi Bluetooth Module Detail 01\" style=\"width: 100%; max-width: 100%; display: block; margin: 0 auto;\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0; padding: 0; line-height: 0; text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0615\/5911\/1885\/files\/02_24d16fee-0f49-4985-9f34-b0ae1dac433f.jpg?v=1794448350\" alt=\"Ebyte E101-S3WN16R8 ESP32-S3 WiFi Bluetooth Module Detail 02\" style=\"width: 100%; max-width: 100%; display: block; margin: 0 auto;\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0; padding: 0; line-height: 0; text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0615\/5911\/1885\/files\/03_9a825eea-f720-4829-981a-5673c0a30491.jpg?v=1794448350\" alt=\"Ebyte E101-S3WN16R8 ESP32-S3 WiFi Bluetooth Module Detail 03\" style=\"width: 100%; max-width: 100%; display: block; margin: 0 auto;\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0; padding: 0; line-height: 0; text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0615\/5911\/1885\/files\/04_6d0b4191-a9d0-4117-87dc-c714769b029f.jpg?v=1794448350\" alt=\"Ebyte E101-S3WN16R8 ESP32-S3 WiFi Bluetooth Module Detail 04\" style=\"width: 100%; max-width: 100%; display: block; margin: 0 auto;\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0; padding: 0; line-height: 0; text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0615\/5911\/1885\/files\/05_b1f57c2c-696a-41e9-bef5-a99dd3031ba5.jpg?v=1794448350\" alt=\"Ebyte E101-S3WN16R8 ESP32-S3 WiFi Bluetooth Module Detail 05\" style=\"width: 100%; max-width: 100%; display: block; margin: 0 auto;\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0; padding: 0; line-height: 0; text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0615\/5911\/1885\/files\/06_4bc3c1c6-9e53-42eb-a3ca-cf7e725ca7d4.jpg?v=1794448350\" alt=\"Ebyte E101-S3WN16R8 ESP32-S3 WiFi Bluetooth Module Detail 06\" style=\"width: 100%; max-width: 100%; display: block; margin: 0 auto;\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0; padding: 0; line-height: 0; text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0615\/5911\/1885\/files\/07_7383ddaf-316a-44a8-86aa-4d282d40a884.jpg?v=1794448350\" alt=\"Ebyte E101-S3WN16R8 ESP32-S3 WiFi Bluetooth Module Detail 07\" style=\"width: 100%; max-width: 100%; display: block; margin: 0 auto;\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0; padding: 0; line-height: 0; text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0615\/5911\/1885\/files\/08_1e537395-6d28-45fe-98b3-21faf78480a9.jpg?v=1794448350\" alt=\"Ebyte E101-S3WN16R8 ESP32-S3 WiFi Bluetooth Module Detail 08\" style=\"width: 100%; max-width: 100%; display: block; margin: 0 auto;\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0; padding: 0; line-height: 0; text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0615\/5911\/1885\/files\/09_0ce51218-b4c4-4b99-9636-1f19d46f80d6.jpg?v=1794448350\" alt=\"Ebyte E101-S3WN16R8 ESP32-S3 WiFi Bluetooth Module Detail 09\" style=\"width: 100%; max-width: 100%; display: block; margin: 0 auto;\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0; padding: 0; line-height: 0; text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0615\/5911\/1885\/files\/10_d84b2050-34a3-4749-923e-2ea710f2cbcb.jpg?v=1794448350\" alt=\"Ebyte E101-S3WN16R8 ESP32-S3 WiFi Bluetooth Module Detail 10\" style=\"width: 100%; max-width: 100%; display: block; margin: 0 auto;\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0; padding: 0; line-height: 0; text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0615\/5911\/1885\/files\/11_ac0bc7b3-7d27-4eff-84be-b13e95bc63c0.jpg?v=1794448350\" alt=\"Ebyte E101-S3WN16R8 ESP32-S3 WiFi Bluetooth Module Detail 11\" style=\"width: 100%; max-width: 100%; display: block; margin: 0 auto;\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0; padding: 0; line-height: 0; text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0615\/5911\/1885\/files\/12_71575dfa-da40-4eb5-a320-f03e42a06a07.jpg?v=1794448350\" alt=\"Ebyte E101-S3WN16R8 ESP32-S3 WiFi Bluetooth Module Detail 12\" style=\"width: 100%; max-width: 100%; display: block; margin: 0 auto;\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0; padding: 0; line-height: 0; text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0615\/5911\/1885\/files\/13_1e77f48b-4a97-4770-8882-2ee722d15fc8.jpg?v=1794448350\" alt=\"Ebyte E101-S3WN16R8 ESP32-S3 WiFi Bluetooth Module Detail 13\" style=\"width: 100%; max-width: 100%; display: block; margin: 0 auto;\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0; padding: 0; line-height: 0; text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0615\/5911\/1885\/files\/14_238704b1-460c-4c57-9d96-80b765930b41.jpg?v=1794448350\" alt=\"Ebyte E101-S3WN16R8 ESP32-S3 WiFi Bluetooth Module Detail 14\" style=\"width: 100%; max-width: 100%; display: block; margin: 0 auto;\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0; padding: 0; line-height: 0; text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0615\/5911\/1885\/files\/15_51646701-db39-4a71-a49e-46261a51798a.jpg?v=1794448350\" alt=\"Ebyte E101-S3WN16R8 ESP32-S3 WiFi Bluetooth Module Detail 15\" style=\"width: 100%; max-width: 100%; display: block; margin: 0 auto;\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0; padding: 0; line-height: 0; text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0615\/5911\/1885\/files\/16_740b9943-9f07-4ccc-8434-43ad6850a710.jpg?v=1794448350\" alt=\"Ebyte E101-S3WN16R8 ESP32-S3 WiFi Bluetooth Module Detail 16\" style=\"width: 100%; max-width: 100%; display: block; margin: 0 auto;\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2 style=\"font-size: 20px; color: #111827; border-bottom: 2px solid #e5e7eb; padding-bottom: 8px; margin-top: 32px; margin-bottom: 16px;\"\u003eIndustrial Installation \u0026amp; Wiring\u003c\/h2\u003e\n\u003cdiv style=\"font-size: 14px; margin-bottom: 24px;\"\u003e\n\u003cp\u003e\u003cstrong\u003e1. Power rail:\u003c\/strong\u003e Feed VDD33 (pad 2) from a 3.3V rail inside 3.0~3.6V and size it for at least 0.5A — a 20dBm Wi-Fi transmit burst pulls hard transient current, and a weak LDO is the single most common cause of boot-looping and random resets on ESP32-S3 designs. Keep the absolute-maximum 3.6V limit in mind for rail tolerance and load transients.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e2. EN pin must never float:\u003c\/strong\u003e Pad 3 (EN) is the chip enable — high enables the part, low powers it down, and the official datasheet explicitly warns not to leave EN floating. Fit a defined pull-up (the part has 45kΩ internal weak pull resistances, but an external resistor plus an RC delay is the safer pattern) and never route EN next to an switching node.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e3. Grounding and EPAD:\u003c\/strong\u003e The module provides GND on pad 1 and pad 40 plus a central EPAD (pad 41) that is a ground pad — connect it to the main ground plane with a via array under the exposed pad for both RF return current and heat path. Do not leave the EPAD unconnected or used as a test point.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e4. Antenna keep-out (PS variant):\u003c\/strong\u003e With the on-board PCB antenna, keep the antenna end of the module clear of copper, metal brackets, batteries, DC-DC converters, LCD ribbon and the enclosure wall on all layers, and follow the footprint document supplied with the E101 series package files. A violated keep-out detunes the element and directly costs the 20dBm \/ 200m link margin quoted for the series.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e5. External antenna (XS variant):\u003c\/strong\u003e Press the IPEX-1 head straight down onto the pad until it clicks and never pull it off by the cable. Route the coax away from the PA and the DC-DC section, and if the antenna is relocated, use a low-loss cable rated for 2.4GHz — connector plus cable loss comes straight out of the conducted output.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e6. Logic levels:\u003c\/strong\u003e The I\/O domain follows VDD1, with VIH at 0.75xVDD1 and VIL at 0.25xVDD1, typical VOH 0.8xVDD1 and VOL 0.1xVDD1, and typical drive of 40mA source \/ 28mA sink at PAD_DRIVER=3. Interface 5V sensors or RS-232 level circuits through a level translator — the pads are 3.3V devices.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e7. Programming and debug:\u003c\/strong\u003e U0RXD \/ U0TXD (pads 36 \/ 37) serve as the UART download and log port, MTCK \/ MTDO \/ MTDI \/ MTMS (pads 32~35) give the JTAG path, and USB D- \/ D+ appear on IO19 \/ IO20 for native USB flashing where the design supports it.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2 style=\"font-size: 20px; color: #111827; border-bottom: 2px solid #e5e7eb; padding-bottom: 8px; margin-top: 32px; margin-bottom: 16px;\"\u003ePractical Application Scenarios\u003c\/h2\u003e\n\u003cdiv style=\"font-size: 14px; margin-bottom: 24px;\"\u003e\n\u003ch3 style=\"font-size: 16px; color: #1f2937; margin-top: 16px; margin-bottom: 6px;\"\u003e1. Voice Wake-Word And Command Recognition Panels\u003c\/h3\u003e\n\u003cp style=\"margin-bottom: 12px;\"\u003eThe ESP32-S3R8's vector instructions and 8MB on-package PSRAM are what let a smart speaker or wall panel run wake-word detection and voice command recognition locally, while Bluetooth LE 5.0 handles pairing and provisioning and Wi-Fi streams the audio or the resulting control message to the gateway — one module replaces a separate voice codec board plus a Wi-Fi shim.\u003c\/p\u003e\n\u003ch3 style=\"font-size: 16px; color: #1f2937; margin-top: 16px; margin-bottom: 6px;\"\u003e2. Smart Home Appliances And Control Panels\u003c\/h3\u003e\n\u003cp style=\"margin-bottom: 12px;\"\u003eAppliance makers use the PS variant inside plastic housings where the on-board PCB antenna keeps the bill of materials and assembly simple: touch-capable GPIO, ADC channels for knobs and current sensing, and a local display interface can all sit on the same part that carries the cloud connection, and the -40~+85°C envelope covers unheated installations such as garage doors and outdoor lighting controllers.\u003c\/p\u003e\n\u003ch3 style=\"font-size: 16px; color: #1f2937; margin-top: 16px; margin-bottom: 6px;\"\u003e3. Face Detection And Presence Sensing At Access Points\u003c\/h3\u003e\n\u003cp style=\"margin-bottom: 12px;\"\u003eWhere a door station or kiosk needs local face detection and recognition rather than shipping every frame to a server, the dual-core part runs the inference locally and uses Wi-Fi only to post results, which cuts upstream bandwidth and keeps the product working while the WAN link is down; the XS variant is the usual choice when the camera assembly sits inside a metal housing.\u003c\/p\u003e\n\u003ch3 style=\"font-size: 16px; color: #1f2937; margin-top: 16px; margin-bottom: 6px;\"\u003e4. Industrial HMI, Metering And Gateway Retrofits\u003c\/h3\u003e\n\u003cp style=\"margin-bottom: 12px;\"\u003eLegacy serial equipment gains network connectivity through U0 \/ U1 with RTS-CTS and the SPI peripheral set, so an existing MCU-side sensor or meter keeps its driver and only the transport changes; with the IPEX-1 variant the antenna can be moved to the top of a metal enclosure or to a hinged door, which is what recovers link budget in a shielded cabinet.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2 style=\"font-size: 20px; color: #111827; border-bottom: 2px solid #e5e7eb; padding-bottom: 8px; margin-top: 32px; margin-bottom: 16px;\"\u003eFAQ Section\u003c\/h2\u003e\n\u003cdiv style=\"font-size: 14px; margin-bottom: 24px;\"\u003e\n\u003ch3 style=\"font-size: 15px; color: #1f2937; margin-top: 14px; margin-bottom: 6px;\"\u003eQ1: PS or XS — how much range do I lose by choosing the IPEX-1 variant?\u003c\/h3\u003e\n\u003cp style=\"margin-bottom: 12px;\"\u003eThe 0.2km figure in the series table is a test result for that variant's antenna configuration, not an intrinsic module limit. With the XS variant the realized range follows whatever antenna and cable you fit: a properly matched 2.4GHz antenna on a short, low-loss IPEX-1 lead can match or exceed the on-board PCB element, while a cheap 0.81mm pigtail can lose several dB before the antenna is even reached. Both variants conduct the same 20dBm, so the difference is entirely in the RF path you give them.\u003c\/p\u003e\n\u003ch3 style=\"font-size: 15px; color: #1f2937; margin-top: 14px; margin-bottom: 6px;\"\u003eQ2: Why does my board reset or fail to boot even though the schematic looks like the reference design?\u003c\/h3\u003e\n\u003cp style=\"margin-bottom: 12px;\"\u003eTwo things dominate. First, the supply: the official recommended conditions ask for at least 0.5A available from the 3.3V rail, because a 20dBm transmit burst causes deep transient dips — a small-label LDO will brown out and the part will loop. Second, EN (pad 3): the datasheet explicitly warns that EN must not be left floating, so provide a defined pull-up and, for relays and motor loads, an RC delay so the chip does not enable during rail rise.\u003c\/p\u003e\n\u003ch3 style=\"font-size: 15px; color: #1f2937; margin-top: 14px; margin-bottom: 6px;\"\u003eQ3: Does the module support MQTT or a specific cloud platform out of the box?\u003c\/h3\u003e\n\u003cp style=\"margin-bottom: 12px;\"\u003eThis is a module, not a firmware product: it gives you the ESP32-S3 platform, and application-layer protocols such as MQTT or a particular cloud SDK are implemented in your firmware on top of the Wi-Fi stack. That is deliberate — you inherit the full ESP32-S3 software ecosystem rather than a locked AT firmware, at the cost of owning the application layer and its security updates.\u003c\/p\u003e\n\u003ch3 style=\"font-size: 15px; color: #1f2937; margin-top: 14px; margin-bottom: 6px;\"\u003eQ4: What exactly does \"16R8\" mean, and can I trust the flash and PSRAM figures from the part name?\u003c\/h3\u003e\n\u003cp style=\"margin-bottom: 12px;\"\u003eRead the part name as two hints rather than a datasheet: the R8 suffix maps to the ESP32-S3R8 device, whose \"R\" denotes on-package PSRAM, and the leading number is intended to signal the flash size class. Ebyte's product page does not publish the flash capacity, receive sensitivity or current figures in the on-page tables, so treat the name as a pointer and confirm every memory and RF number in the E101-S3W series datasheet before design freeze — that is why those cells are marked to be confirmed above.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Ebyte Official Store - IoT Module Manufacturer","offers":[{"title":"E101-S3WN16R8-PS (PCB On-Board Antenna, 18x25.5mm)","offer_id":48855579099341,"sku":"E101-S3WN16R8-PS","price":5.49,"currency_code":"USD","in_stock":true},{"title":"E101-S3WN16R8-XS (IPEX-1 Antenna Connector, 18x19.2mm)","offer_id":48855579132109,"sku":"E101-S3WN16R8-XS","price":5.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0615\/5911\/1885\/files\/01_00e8b945-3e39-40c4-99ff-b01fb71579e3.jpg?v=1794448372","url":"https:\/\/ebyteiot.com\/pt\/products\/e101-s3wn16r8-series-esp32-s3r8-wifi-bluetooth-le-5-0-module-pcb-ipex-1","provider":"Ebyte Official Store - IoT Module Manufacturer","version":"1.0","type":"link"}