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Sea of Segments

“1536 seven segment displays that show videos of water I’ve always loved the seven segment display. It probably started because they were on pretty much every applicance when I was a kid, but as I got older I admired …

Project  Time Slider

Time Slider

“A digital clock using sliding grids to show or hide the segments of the digits. Each minute the sliders move in a synchronized manner to show the current time. The clock is powered by an Arduino Mega and it uses …

Tiny UPDI-HV Programmer

“This is a simple High-Voltage UPDI programmer, for programming 0-series, 1-series, and 2-series ATtiny chips to allow you to configure the UPDI pin as a extra general I/O pin. For simplicity it is designed to work with an existing …

Ultrasonic Air Drums

“I’ve always been a fan of air instruments where you make music without touching anything so when DFRobot offered to send some sensors so I can make a project with them, I pitched the idea of making a set …

Project  Vt2040

Vt2040

“Portable serial terminal Portable serial terminal, based on an RP2040 with a Gherkin keyboard and an ILI9488 screen. A portable serial terminal based on an RP2040 dev board, with some hopefully reusable bits of code: A 6x13-pixel antialiased bitmap font …

A High Efficiency Buck Converter for 100W COB LED

“The project is an improvement of common DC-DC buck-boost converter module in which is using “FP5139 Asynchronous Boost Controller”. The new design dc-dc buck converter helps me to light up my 100W COB LED module in more efficiency way …

Arduino Barometer + Barograph with BME280 Sensor

“Barometer + Barograph that presents the results in graphic form on a 20x4 LCD display. A barograph is a barometer that records the barometric pressure over time in graphical form. This instrument is also used to make a continuous recording of …

Arduino Skeleton Seven-Segment Clock

“Let’s build a new Style clock using Arduino and PCB If you are a regular follower of mine, then you might have seen my clock-making tutorials. These are clocks of different types and styles that I have made. in …

Breaking out of the Chip Shortage - Attempt 1

“Finding alternative chips to break out of the chip shortage while still being able to get things done, As I have hinted in my recent two posts about UPDI programmers, I am currently looking for a solution to replace the …

Build Your Own Massive LED Wall on a Budget

“Today I’m teaching you how to build a massive LED wall for under $500. Whether you’re an experienced engineer or just a beginner, anyone can make this 7-foot-wide display! The modular design is split into 4 separate panels …