Moments is a custom firmware for e-ink displays that makes them behave like TRMNL, but fully free and context aware.
How to Boost 3V to 1800V Without Any Chips (Electric Fly Swatter Circuit Breakdown)
I built my own NES handheld with an ESP32, a 3D-printed case, and a 7.4V battery. It plays games from an SD card.
An 18650-powered ESP32 desk buddy with a 2.8" touchscreen and rotary knob: AI chat, weather, crypto, PC stats and BLE volume control.
Demystifying MOSFETs: Internal Structure, Switching Mechanics, and Hands-on Bulb Circuit
Arduino-based dice throwing and coin flipping simulator with 3D-printed enclosure
The "Space 3D Diorama" is large shadow box miniature inspired by Chesley Bonestell classic space-age paintings with interactive features.
Drag widgets, add rules without code, and export an Arduino project for your ESP32 display board. It runs in the browser.
A super tiny arcade that can carry around
How to Build an 8x Voltage Multiplier Circuit Using Only Diodes and Capacitors
An experimental device built to explore whether human intention correlates with deviations in a hardware-generated random sequence.
I wanted a small weather display for my desk that could show live weather updates without having to check my phone every time.
A tone-synthesizing STM32F407 audio player with FreeRTOS multitasking, I2S DMA streaming, pot volume, and LCD status feedback.
No matter if you want to do a simple counter, a clock or a fully integrated Home Assistant visualizer. With this set you can do it all.
PICO Arc is a tiny, fully functional pocket arcade built around the Raspberry Pi Pico. It's small enough to fit right into your pocket
Open-source Claude AI handheld on Adafruit MEMENTO: voice chat, retro cam, live space & weather data, ESP-NOW friends and games.
A PyPortal visualization that scroll across the largest images of our universe, bringing the vastness of space to the desktop
Follow me on my quest to automate my lab aka my workshop aka my home office. With custom builds and a Home Assistant Backbone
A monochrome face you tap and tilt, with clock, weather, moon, stock and GitHub pages behind it. One board, no wiring.
Two LED Matrices that can display 5 different animations, time and date using NTP, and scrolling text that you can set yourself!
The CrowPanel 2.1-inch ESP32-S3 display can be transformed into a compact, intuitive, and highly practical universal timer
How to 3D print a case for a ESP32-C3 microprocessor and 1.8in TFT Display/Rotary Enc/Switch module for under $15
Understanding Capacitor Charging and Discharging: A Visual Guide
How Does Electric Current Actually Flow? The Physics Behind Electricity Explained
