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“Split-flap displays are electromechanical display devices, which were common in airports or railway stations a few years ago.Unfortunately, most of them are gone and replaced by LED displays. Why not create a DIY version of it? As mechanical devices …
“The ESP32 inside the M5Stack Core module has a built-in Hall effect sensor. But where exactly is this small piece located? Let’s measure it. Hall sensor A Hall effect sensor has nothing to do with acoustic reverberation (German for …
“Hardware and software for voltage, current, capacity and temperature measurements of Li-Ion battery. The aim of this work was to realize a circuit that will measure voltage, discharge current, temperature and capacity of the Li-ion batteries, display them on the …
“Hello guys in this article, I am going to tell you about the making an easy Arduino POV Clock. I have made a mini POV display using Arduino Hello guys in this article, I am going to tell you about …
“This instructable is about building an esp32 based BLE mouse, unlike using the traditional method to build a mouse using optical sensors, this mouse works based on magnets embedded in a custom 3d printed mouse pad. Make sure to read …
“It’s incredible how far display technology has come. Nowadays LED walls are found at every major concert venue, flat panel televisions are ubiquitous, and everyone has a high resolution, full color LCD display in their pocket. It’s difficult …
“A clip-on electronic depth gauge for a Dremel Drill Press. No wires or screws required. Sometimes during a build, you may need to drill holes of a fixed depth. I have a Dremel Drill Press and while it is a …
“This is a Digital Clock design that was built from 24 custom 3D printed analog clocks. It shows the digital time. Between time displays, it shows moving artwork. It is composed of 3D printed parts, 25 Arduino nanos and 48 …
“Magnetic field is a region around a magnetic material or a moving electric charge within which the force of magnetism acts. Device is extremly simple and consist only few components: - Arduino nano microcontroller - small Oled display - Led and resistor - and …