Arduino Nano ESP32 LED Matrix Clock with WiFi Time Sync
Build a compact digital clock using an Arduino Nano ESP32 and a MAX7219-driven 8×32 LED matrix, with WiFi time synchronization, BLE setup, and automatic brightness control.
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144 7-segment displays make up this delightful digital clock
Using 7-segment displays to make a clock is nothing new, but what if you combined 144 of them together to create an epic LED timepiece? That’s exactly how this project was made, allowing it to show surprisingly smooth mega-numbers and a colon set at an angle. The build itself is controlled by an Arduino Nano,…
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Homemade Vintage Style Nixie Clock
If you find soldering enjoyable and relaxing, this is likely a good project for you. To create his clock, the maker Electronoobs has soldered LED filaments onto a steel wire frame. I’ve made some “nixie” tubes. These are actually 7 segments displays made with filament LEDs but placed in a plastic bottle so it will have…
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Arduino Ultrasonic Fluid Level Meter
If you need to monitor the fluid level in a large diameter well, a tank, or an open container, for only €70 you can build your own Ultrasonic fluid level monitoring system. One day, my brother and I talked about how our grandfather used to measure the water level manually in order to keep track…
