PCB Electronics


A wifi sensor, designed to collect and report various sensor readings over wifi.


  • HTU21D (Temperature + Humidity)
  • MCP9808 (Temperature)
  • MPL3115A2 (Pressure)
  • TSL2561 (Light)
  • 3x Inputs/Outputs

Other Features

  • ESP8266
  • 3.3V operation
  • Mini USB power connector
  • Li-po charger
  • Battery charging LED
  • Automatic battery/USB power switching
  • Solar panel input
  • FTDI programming port
  • Choice of 2 serial uart converters, CH340G or CP2102


This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.

Creative Commons License
Designed by Richard Hawthorn
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