AC220V ESP8266 1 Channel WIFI Relay Module ESP-12S Wifi Development Board

From the shop's description

AC220V ESP8266 1 Channel WIFI Relay Module ESP-12S Wifi Development Board The ESP8266 single-channel relay development board is equipped with an ESP-12F WiFi module, I/OD all leads, and supports AC90-250V/DC7-12V/USB 5V and other power supply methods. Provide Ardu jino development environment reference code, suitable for ESP8266 secondary development learning, smart home wireless control, and other occasions Features: 1. Onboard mature and stable ESP-12F WiFi module, large capacity 4M Byte Flash 2. The I/O port of the WiFi module and the UART program download port are all led out to facilitate secondary development 3. Onboard AC-DC switching power supply module, power supply mode supports AC90-250V/DC7-12V/USB5V 4. Onboard WiFi module RST reset button 5. ESP-12F supports the use of Eclipse/Arduino IDE and other development tools, and provides reference programs under the Arduino development environment; 6. Onboard 1 way 5V relay, output switch signal, suitable for controlling load within AC 250V/DC30V 7. Onboard power indicator, 1 programmable LED, and relay indicator Package Includes: 1 x ESP8266 Wireless WIFI 1 Channel Module Relay Item Type: Other IoT Boards Model No.: LC-Relay-ESP12-1R-MV Operating Voltage AC90-250V/DC7-12V/USB5V WiFi IC ESP8266 Communication Protocol UART Load Voltage AC 250V or DC 30V(Max) Load Current 10A(Max) Operating Temperature (°C): -25℃~85℃ Operating humidity 5%~95%RH Dimensions (L x W x H) mm 80 x 50 x 19 Shipping Weight 0.035 kg Shipping Dimensions 12 × 8 × 1 cm