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PROJECT
150

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.

Programming a RoundyFi LCD to Display Messages
TUTORIAL
301

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!

PROJECT
135

Build A Configurable Inventory Level Tracking System

By Maker.io Staff

Imagine a wireless system that can track the number of times a product has been selected from a storage bin and display the selected product on a dashboard.