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“Hey Friends welcome to Techno-E-solution In this tutorial, Ill show you how to make Biometric Door Lock Security System Using Arduino Uno & Fingerprint Sensor R307. The Biometric security system is designed using Arduino uno & fingerprint sensor R307 where once the …
“Intro: I find that working as an electrical engineer in a professional environment causes you to think about electrical design differently than you might in the makerspace. You learn how to do simple designs really quickly, but also have to …
“This is a dust collector monitor. Both the dust bin level and the filter are monitored. My earlier dust collector project only monitored the bin level. The video demonstrates the dust collector monitor detecting the filter needing cleaning. The threshold …
“The laser scanning microscope is a special light microscope which uses a focused laser beam to scans the sample. The scanning of the laser across the sample is done by driving the laser in x and y direction. The image …
“ESP32-Cam is a compact size and low cost ESP32 Development board with OV2640 camera. There’s no USB programming port, so you need external programmer like FTDI, CH340 or CP2102 to upload code through serial pins (UOR and UOT …
“A minimalist grow light that is compatible with the Adafruit Feather Huzzah dev board. One of my previous projects was a hydroponic system for growing strawberries, for which I used a grow light from IKEA. But one thing I didn …
“A Chaser Circuit consists of a clocked IC or other electronic unit like an Arduino that drives an array of LEDs in such a way that individual LEDs (or small groups of LEDs) turn on and off in a predetermined …
“LED Cube running on Arduino Nano and flip-flops. Preparation: test all 512 LEDs (and additional 50 spare ones if some get damaged while soldering) to find all the malfunctioning ones. Let them run for at least 4 hours. make symmetrical …
“Let’s make a Face Mask with LEDs! This DIY LED lights face mask displays some animations and responds to your voice with effects. You can have a mask that reacts to the sound using the sound sensor, or you …
“Hello and welcome back to another Instructable. In the previous two Instructables, I have shown you how I created PCB coils in Kicad using a Python script, covered the basics of an H bridge, and showed you how I will …