IoT capabilities

A project log for Soil moisture measurement device

Visual control of soil moisture w/ Raspberry Pi Pico

Florian Wilhelm DirnbergerFlorian Wilhelm Dirnberger 06/28/2022 at 11:170 Comments

Implemented IoT capabilities, i.e. value(s) can be fetched thru a web-browser. This wasn't the main scope of this project, but it's a nice-to-have feature anyway.

Code example:

Raspberry-Pi/IoT_Pico-ME110.c at main · Florian-Wilhelm/Raspberry-Pi (

Short demo video (with subtitles):

Wiring ESP8266 - Pico:

Pin 1: GND
Pin 2 (TXO): Pico GP5 (UART1 RX)
Pin 4: 3.3V
Pin 7 (RXI): Pico GP4 (UART1 TX)
Pin 8: 3.3V
Other pins n.c.