ESP8266 and WiFi Contrlled Relays - 30 minutes IoT Project

Control 2 relays using ESP8266 module and Optoisolated relay modules. This cheap and usable project is also very simple and easy to build. It takes only about 30 minutes to create this awesome project.

See the complete tutorial on instructables :
http://www.instructables.com/id/WiFi-Internet-Controlled-Relays-using-ESP8266-Quic/

Part List

1. ESP8266 module ESP-01
2. Opto-isolated 2 Channel 5V Relay Board
3. SMPS Supply 5V 2A
4. LM2596 DC to DC 3A Step Down Module with Voltage Display - or any other step down voltage regulator to convert 5V to 3.3V for ESP module. Even a cheap IC like LM317 or LM1117 will do.
5. CP2102 USB UART module - or any other 3.3V compatible USB-TTL UART adaptor
6. Jumper wires

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