3Pcs AC/DC Power Supply ESP8266 WIFI Four-way Relay Module ESP-12F Development Board Secondary Development

Manual Click here to openMore details Click here to openOverview The ESP8266 four way relay development board is equipped with ESP 12F WiFi module all I O ports are led out and it supports AC90 250V DC7 30V 5V and other power supply methods Provide Arduin development environment reference code suitable for ESP8266 secondary development learning smart home wireless control and other occasions Features 1 On board mature and stable ESP 12F WiFi module large capacity 4M Byte Flash 2 The I O port and UART program download port of the WiFi module are all led out to facilitate secondary development 3 Onboard AC DC switching power supply module power supply mode supports AC90 250V DC7 30V 5V 4 The onboard WiFi module RST reset button 5 ESP 12F supports development tools such as Eclipse Arduin IDE and provides reference programs under the Arduin development environment 6 There are 4 5V relays on board which output switch signals suitable for controlling loads whose working voltage is within AC 250V DC30V 7 On board power indicator 1 programmable LED and relay indicator Package includes 3 x Relay module