0.01$ Ebyte ESP-WROOM-02D 300m Supported protocols 802.11 b/g/n 20dBm 2.4GHz ESP8266 chip wireless WIFI module

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2.4G ESP-WROOM-02D ESP8266EX 32bit TCP IP wifi to UART wireless module esp8266 low power networking wifi module esp  Product Description   WiFi Specifications RF certification SRRC, FCC, CE (RED), IC, NCC,... Read more

0.01$ Sample: TI Chip Samples, Espressif Chip Samples

Availability: In Stock

Shipping: Free Air Shipping Over $79.99

Ship From: China EBYTE Manufacturer Factory

Bulk Purchase Tips: Please confirm the firmware version of the test sample with the salesperson before purchasing

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Every day, EBYTEIOT serves hundreds of clients worldwide, ensuring that we always remain responsive.

Free Shipping: All product orders with a total amount exceeding $79.99 qualify for free shipping.

Total time = processing time + shipping time (shipping time is business days)

Processing time = the time between placing an order and us shipping it.

Shipping time = the time it takes for your order to be shipped and delivered to you.

Processing time: 7 working days


Shipping time: 7-15 working days by China Post Air Mail (may take up to 45 working days due to unpredictable factors such as weather and customs processing).

 

Please be advised that we do not deliver to

  • Cuba
  • Islamic Republic of Iran
  • Democratic People's Republic of Korea (North Korea).
  • Sudan
  • Syria
  • Venezuela
  • Yemen

We apologize for any inconvenience this may cause.

 

Cancel order

We accept order cancellations before the product is shipped. If your order is canceled, you will receive a full refund. We cannot intercept order cancellations if the product has already been shipped.


Returns

We accept product returns. Customers have the right to request a return within 30 days of receipt of the product. To be eligible for a return, your item must be unused and in the same condition you received it. It must also be in its original packaging. To complete your return, we require a receipt or proof of purchase.

If the return is caused by the consumer, the consumer will bear the shipping costs. The exact cost depends on the courier company you choose.

If the product is damaged or unusable due to our fault, such as product or transportation reasons, please contact EBYTE: ebyteiot@cdebyte.com. After communication with our technical staff, we will arrange for a reissue or refund.


Refund

Once your return has been received and inspected, we will send you a delivery notification via email. We will also notify you of approval or rejection of the refund. If you're approved, your refund will be processed and automatically credited to your credit card or original payment method within 15 business days.

Contact

Contact our customer service at ebyteiot@cdebyte.com.

Tel: +086 028 61543675

Return address: Building B5, No. 199, West District Avenue, High Tech West District Chengdu, China.

 

EBYTE product technical manual and detailed parameters download: https://www.cdebyte.com/Product-Selection

2.4G ESP-WROOM-02D ESP8266EX 32bit TCP IP wifi to UART wireless module esp8266 low power networking wifi module esp 

Product Description

 

WiFi Specifications
RF certification SRRC, FCC, CE (RED), IC, NCC, KCC, TELEC (MIC)
Wi-Fi protocols

802.11 b/g/n

Frequency range 2.4GHz~2.5GHz(2400M~2483.5M)

 

Hardware Specifications
Peripheral interface

UART/HSPI/I2C/I2S/IR Remote Control

GPIO/PWM

Operating voltage

2.7V ~ 3.6V

Operating current
Average: 80 mA

Minimum current delivered by power supply

500 mA
Operating temperature range
-40℃ ~ +85℃
Storage temperature
-40℃ ~ +85℃

 

Software Specifications
Wi-Fi mode Station/SoftAP/SoftAP+Station
Security

WPA/WPA2

Encryption WEP/TKIP/AES
Firmware upgrade UART Download/OTA (via network)/Download and write firmware via host
Software development Supports Cloud Server Development/SDK for custom firmware development
Network protocols IPv4,TCP/UDP/HTTP/FTP
User configuration AT Instruction Set, Cloud Server, Android/iOS app

 

 

 

No.
Pin Name Functional Description
1 3V3

3.3V power supply (VDD),
It is recommended the maximum output current a power supply provides be of 500 mA or above.

2 EN

Chip enable pin. Active high.

3 IO14

GPIO14;HSPI_CLK

4 IO12

GPIO12;HSPI_MISO

5 IO13

GPIO13;HSPI_MOSI;UART0_CTS

6 IO15

 

GPIO15;MTDO;HSPICS;UART0_RTS

Pull down.

7 IO2

 

GPIO2;UART1_TXD

Floating (internal pull-up) or pull up.

8 IO0

 

GPIO0

UART download: pull down.

Flash boot: floating or pull up.

9 GND

GND

10 IO4

GPIO4

11 RXD

UART0_RXD, receive end in UART download;

GPIO3

12 TXD

UART0_TXD, transmit end in UART download, floating or pull up;

GPIO1

13 GND

GND

14 IO5

GPIO5

15 RST

Reset

16 TOUT

It can be used to test the power-supply voltage of VDD3P3 (Pin3 and Pin4) and the input power voltage of TOUT (Pin6). These two functions cannot be used simultaneously.

17 IO16

GPIO16; used for Deep-sleep wake-up when connected to RST pin.

18 GND

GND

 

Company Information

Chengdu Ebyte Electronic Technology Co., Ltd. a high-tech enterprise integrating R&D, production and sales with a complete industrial chain. Products cover LoRa, WiFi, Bletooth, ZigBee, 4G/5G/NB/GPRS wireless modules and devices, wireless sensing devices, etc. The company has hundreds of inventions and utility patents with products passing authoritative certifications such as RoHS SRRC, FCC, CE, MIC, KC and NCC and exported to more than 50 countries and regions worldwide, enjoying a wide reputation. 

Packaging & Shipping

1. Delivery will be arranged by DHL/UPS/Fedex/TNT/EMS,it will take 3-7 working days to arrive in most countries.

2.We can also help you ship the goods by air line,then you need to go to Air port totake it ,it takes about 2-7 days to arrive. 3.If goods are large quantity and you not need the goods so urgently ,you can choose by sea to save some freight cost which takes about one month to arrive.
4.We can accept the payment method such as Paypal/Credit card/ L/C and T/T.

 

Our Services

 

FAQ

Q1: Are you a manufacturer or a trading company?
A1: We are a manufacturer.


Q2: Can you do ODM or OEM for us?
A2: We are glad to offer custom service for you, we have an experienced engineers team who will provide you with a complete solution according to your requirements.

Q3.Whether the product can be customized logo?
A3.For bulk orders, we support custom logo.

Q4: What about the delivery time?
A4: For regular order it takes about 3-6 days for production, for mass order or customized order it may need 15-30 days.

Q5: What is your delivery terms and payment terms?
A5: We accept EXW, FOB, CFR, CIF, etc. You can choose the one which is the most convenient or cost effective for you. 100% in advance for sample order, 50% deposit and 50% balance for mass order.

Q6: After service and warranty?
A6: We provide 1 year warranty, if you have any problems in the use of products, please contact to your sales person.

Q7. How can we know the product quality?
A7: We suggest you to order a sample. Also, you can send us email for detail photos for checking if you cannot get enough information in the product page.

Q8. How can we get samples from you ?
A8.Samples are available. Normally we take 2 days to arrange samples. If we have no business record with you before, we need to charge boot samples cost and post courier freight.

Q9.Can your module be connected with Arduino board? Can you provide Sample code?
A9: We don’t know the model of your Arduino, so we don’t sure if our module can be connected with it. Please be sure of the power supply when you connect your Arduino board with our module, 3.3V is ok. But for 5V, you need to add 4-10k pull-up resistor for the TXD&AUX pin. Sorry we don’t have the sample code to offer.

Q10.Can your module be connected with Raspberry Pi?
A10: Yes, our module can be connected with Raspberry Pi.
 
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0.01$ Ebyte ESP-WROOM-02D 300m Supported protocols 802.11 b/g/n 20dBm 2.4GHz ESP8266 chip wireless WIFI module

$0.01