Title: ESP8266 relay board
Post by: renze on April 16, 2015, 12:02:51 pm
Post by: renze on April 16, 2015, 12:02:51 pm
Hello everyone,
I want to share my latest project with you: an ESP8266 based relay-switch board.
It's designed in eagle and uses firmware based on esphttpd (by Sprite_tm). I put the design files on Github under CC BY-SA 3.0 license.
Main webpage:
rnplus.nl/wp-content/uploads/2014/11/smartswitch_home.png
(The current version of the firmware also shows the temperature and humidity, this is an old screenshot)
Wifi settings (allows you to connect to a wifi network without reprogramming the ESP8266):
Something that I should have done differently is the way the board is programmed:
My next board will have a reset circuit that allows automatic reset before programming and to allow for the RTC to wake the esp from deep-sleep), including a transistor to pull GPIO0 down from a usb-serial board. This board requires me to hold down the button that is connected to GPIO0 and remove and reapply power before programming. Since the software (esptool) I use to upload the firmware is bugged I need to do this 3 times in a row to upload the (3 parts of the) firmware...
My website:
http://http://www.rnplus.nl/domotics/esp8266-relay-board/
Github link:
http://http://www.github.com/rnplus/ESP8266-relay-board-hardware