View source for Sonoff DIY 1ch

= Introduction =

The Sonoff DIY 1ch is a relay unit. It is based on the ESP8285 chip and can control one relay. 

= Hardware =

[[File:Sonoff DIY 1ch 003.jpg|420px]]

* ESP chip version: ESP8285
* Flash size: 1M
* Onboard USB-TTL converter: No 
* GPIO's broken out/available to free use: None
* GPIO tied to onboard hardware: 12 (Relay 10A@230VAC), 13 (LED red)
* Power supply information: 90-250VAC
* Antenna: onboard PCB antenna

[[File:Sonoff DIY 1ch 004.jpg|420px]]

== Wiring/flashing ==

[[File:SonoffDIY1ch001.jpg|420px]]

A programmer is needed to flash this device.

   '''Programmer'''     '''ESP'''
   TX      <-->   RX (fourth pin seen in picture above)
   RX      <-->   TX (third pin seen in picture above)
 
   '''Power'''
   5V    <-->   VCC (input power, also usb can be used)
   GND     <-->   GND (input power)

In order to get the unit in flash mode the GPIO-0 needs to be LOW.