DC 12V WiFi Relay Module 4 Channel ESP8266 ESP-01 Wireless Relay Switch Board Phone APP Remote Control for IOT Smart Hom

Description The 12 V Dual WiFi relay module uses the ESP 01 as a WiFi module and it is compatible with 8 bit MCU chips Only a simple configuration process can realize wireless control of 2 way relay through the mobile APP Feature 1 Onboard ESP 01 WiFi module and high performance microprocessor STM8S103 2 The module has 2 working modes Mode 1 The phone is directly installed on the WiFi module Mode 2 Equipped with a mobile phone and WiFi module on the routerAdditional features It can also be used as a USB relay when the ESP 01 is pulled out 3 Transmission distance In an open environment when the mobile phone is installed on the WiFi module the maximum stable transmission distance is 100M 4 When the WiFi module and the mobile phone are simultaneously carried on the router the transmission distance depends on the signal strength of the router 5 On board 12V 10A 250V AC 10A 30V DC relay which can continuously pull 100 000 times with diode discharge protection and short response time 6 Use Smartcongig technology to complete the account and password configuration on the APP ESP 01 WiFi module on the mobile phone and configure the username and password memory functions 7 Board mode selection and real time working status indicator 8 Reserved UART debug interface and STM8 SWIM program download interface 9 Board size 59 40mmPackage Included 1 x DC12V WiFi Relay Module