Recent Projects

I was one of the first to discover the Differential Non-Linearity (DNL) problem on the ADC in the original Pico. So let's look at Pico2.

Measuring the new Pico2's ADC's DNL

Biped Barry

(2021) Arduino Based Remote Control Car

Open Source Hardware and Software project for design a Fully Functional scale model of a BeBox to commemorate 30th Anniversary since release

TABBx | 30th Anniversary BeBox

betamax BetaMax

The project consists of building a portable mini arcade with two displays. IPS round with lens & IPS 4". Swap the controller & choose

SWAP ARCADE

The tadpoles have returned!

Raising Tadpoles 2024 edition, third season

A single-button keyboard, based on circuitpython

MagiClick S3 - Mechanical Macro Keyboard with Disp

makerm0 MakerM0

SAO that adds Lora Communication

SAO Lora Walkie Talkie

jeremygeppert jeremy.geppert

First PCB board design and SAO in one project motivated by Supercon 2024

SAO Speak and Spell

jeremygeppert jeremy.geppert

A giant sarcastic robot, a great idea!

TARS SAO

A USB-C connector that provides 3.3v and data lines with transient voltage protection.

USB-C Power and Data Breadboard Assistant

mark-lehane Mark Lehane

Open-smart electromagnet operated with push button.

OPEN-SMART Electromagnet

wils-nico wils Nico

Keeping an old case alive

Third life for a radio alarm clock

ken-yap Ken Yap

An adaptor that allows tiny SOT-23-3 pin components to be used on a breadboard at 2.54mm pitch.

Super handy SOT 23-3 adaptor

mark-lehane Mark Lehane

I turned an educational AM/FM radio kit into something bigger using some stuff from my junk box.

The Bamboo Radio

Based on an ESP32 PCB, with ESPhome

ESP32 Weather Station