Sonoff PSA-01: ESP8266 Based 1 Channel Smart Switch Module For Home Automation Devices

PSA Module is a high integration and general-purpose 1 channel (1-gang) smart switch module for DIY home automation.  It's a great product for home automation DIY fans and smart home manufacturers. The IoT development module is based on ESP8266, designed for socket and switch. The IoT module acts like a transfer station which can receive and transfer messages via WIFI. The IoT module helps users easily turn traditional ordinary switch or socket into an intelligent one, allowing the switch or socket be remotely controlled by App.

The WiFi IoT product has peripheral components such as external power supply, relay and button. Therefore, customers can use this module to develop and produce smart socket or smart switch without coding. Simply add it to your traditional socket/switch, they will become smart and can be remotely controlled by  APP eWeLink, which is available on both iOS and android. 

To develop a smart product, consumers only need to add a few components to the circuit. Cloud server, APP, PSA module are already there. 

Customers can add PSx (PSA/PSB) module to their devices, making them WIFI controllable instantly, no coding required. It is a perfect fit for home appliances manufacturers.