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PROJECT
520

Water Level Sensor Interfacing with Arduino

By Rachana Jain

Learn how how to build a water level indicator that triggers an LED and a buzzer.

PROJECT
143

Build a Programmable +3.3Volt Compliant Logic Probe

By Don Wilcher

Easily build your own customizable logic probe with an ESP8266-based RoundyFi to help troubleshoot your electronics projects.

TUTORIAL
292

Programming a RoundyFi LCD to Display Messages

By Don Wilcher

This "hello world" tutorial will teach you how to set up, program, and use the RoundyFi LCD module to display text for messaging and interactive devices!