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“In this tutorial I will show you how I converted my DIY 3D Printed SCARA robot arm that I built in one of my previous videos to work as a laser engraver. You can watch the video following video or …
“This is a complete microphone signal conditioning project. Designed primarily for voice-band applications, this project provides amplification, limiting, variable compression, and noise gate. User-adjustable compression ratio, noise gate threshold, and two different fixed gains optimize circuit operation for a variety …
“Introduction If you are anything like me then you have an ever-growing collection of damaged drone parts. Sometimes those parts accumulate back into a drone, but there are always a few leftovers… The goal of this project was to use …
“Compressed audio can be a nice alternative to uncompressed WAV files, especially when you have a small filesystem like that on many CircuitPython boards, as WAV files get sizeable quite quickly. You can listen to a much longer playlist with …
“Speed up retro computer development with a 400 MHz Raspberry Pi Pico-based ROM emulator. PicoROM emulates ROM chips to allow for rapid development of retro computer software. Rather than remove the ROM IC, burn new contents, and replace the chip …
“Why wear a boring paper card to a conference when you can bring a cool and hackable one based on an ATtiny85? Programmable cards and badges are really good ice breakers at conferences as they’re a great way to …
“Learn how to build a digital weight scale and force gauge with load cell sensor (H26R0x) and Raspberry Pi. This project uses Hexabitz modules to measuring the boxing punch force. It’s definitely an effective way to learn about load …
“How to make a sensitive homemade lightning detector based on cheap AM receiver IC TA7642 and Arduino Nano. A lightning detector is a device that detects lightning produced by thunderstorms. In one of my previous videos, I showed you how …
“Sense the water pH of a hydroponic plant with Arduino Nano 33 BLE Sense and determine if it’s right using an Edge Impulse trained model. Introduction I’ve had a hydroponic plant for two years now, and everything went …
“The project described here outputs 12V DC voltage from the input of 230V AC. The output current is up to 100mA. The project is based on BM2P129TF chip which is PWM method DC/DC converter with a built-in 650V MOSFET …