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![](https://www.aitechinsights.com/wp-content/uploads/2023/12/1702653168_546_KeeYees-3pcs-ESP8266-ESP-12E-Development-Board-WiFi-WLAN-Wireless-Module.jpg)
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![](https://www.aitechinsights.com/wp-content/uploads/2023/12/1702653167_231_KeeYees-3pcs-ESP8266-ESP-12E-Development-Board-WiFi-WLAN-Wireless-Module.jpg)
![](https://www.aitechinsights.com/wp-content/uploads/2023/12/1702653167_400_KeeYees-3pcs-ESP8266-ESP-12E-Development-Board-WiFi-WLAN-Wireless-Module.jpg)
(as of Dec 15, 2023 15:12:49 UTC – Details)
![](https://www.aitechinsights.com/wp-content/uploads/2023/12/KeeYees-3pcs-ESP8266-ESP-12E-Development-Board-WiFi-WLAN-Wireless-Module.png)
![Why?](https://www.aitechinsights.com/wp-content/uploads/2023/12/1702653168_546_KeeYees-3pcs-ESP8266-ESP-12E-Development-Board-WiFi-WLAN-Wireless-Module.jpg)
![Why?](https://www.aitechinsights.com/wp-content/uploads/2023/12/1702653168_546_KeeYees-3pcs-ESP8266-ESP-12E-Development-Board-WiFi-WLAN-Wireless-Module.jpg)
![esp8266 board](https://www.aitechinsights.com/wp-content/uploads/2023/12/1702653168_485_KeeYees-3pcs-ESP8266-ESP-12E-Development-Board-WiFi-WLAN-Wireless-Module.jpg)
![esp8266 board](https://www.aitechinsights.com/wp-content/uploads/2023/12/1702653168_485_KeeYees-3pcs-ESP8266-ESP-12E-Development-Board-WiFi-WLAN-Wireless-Module.jpg)
Parameters:
Support wireless 802.11b/g/n standardSupport three working modes of STA/AP/STA+APBuilt-in TCP/IP protocol stack, supports multiple TCP Client connections (5MAX)D0~D8, SD1~SD3: used as GPIO, PWM, I2C, etc., port drive capability 15mAAD0: 1 channel ADCPower input: 4.5V~7V, support USB power supplyWorking current: continuous transmission: approximately equal to 70mA (200mA MAX), standby <200uATransmission rate: 110-460800bpsSupport UART/GPIO data communication interface Package Include : 3 x ESP8266 Development Board
![breakout board](https://www.aitechinsights.com/wp-content/uploads/2023/12/1702653168_3_KeeYees-3pcs-ESP8266-ESP-12E-Development-Board-WiFi-WLAN-Wireless-Module.jpg)
![breakout board](https://www.aitechinsights.com/wp-content/uploads/2023/12/1702653168_3_KeeYees-3pcs-ESP8266-ESP-12E-Development-Board-WiFi-WLAN-Wireless-Module.jpg)
When Combined with a Breakout Board
KeeYees technical team specially designed a breakout board for this version of ESP8266 Board, just to make your project more convenient.
This breakout board can expand one GPIO pin of esp8266 development board to two, which is convenient for users to reuse all pins in smart home projects. Nice breadboard alternative.
Size 34*25.5 mm 48*25.5 mm 48*25.5 mm Pin Resources 16 Pin 30 Pin 38 Pin 30 Pin 30 Pin WiFi ✓ ✓ ✓ Bluetooth X X ✓ Interface Micro USB Micro USB Micro USBThe development board has integrating GPIO, PWM, IIC, 1-Wire and ADC all in one board. Support smart link smart networking.
The fast and affordable technology for WiFi. Make your development the fastest way combined with firmware for NodeMcu.
Modern, state-of-the-art LUA technology. It is an integrated unit with all available resources on board. It’s very easy for Arduino projects or any development board with I / O pins.
Modern Internet development tools can use the built-in API to instantly put your idea on the fast track.