• An evolution of the ESP-01 NTP based clock.. This version expands on ADC to utilize the LDR resistor/sensor to brighten display with light condition. Due to the need of ADC converter for LDR, the clock is redesigned to utilise  ESP8266-12 module.
  
  
  Features

       5v0 regulator for driving LED
       3v3 for processor
       header connectors for DS1307 and/or ds3221 modules for local RTC
       DHT sensor option
       USB power input (5v0 regulator not required)
       DC barrow connector for higher voltage input ( will require 5v0 regulator)
       Programming port compatible with auto reset  ( see USB-TTL adapter)
  
      

  Documents

     Schematic  (display & controller board)
     PCB laybout on EasyEDA
     3D main case (stl)
     3D face case (stl)
     Sample clock code
    

   

  
  The boards are available for purchase on our Tindie store.