[Daniel] wanted his child to stay in bed until a semi-decent time each morning. The problem is the kid doesn’t know how to read a clock, so [Daniel] built him a clock. Yeah, doesn’t make much sense to ...

A word clock – a clock that tells time with words, not dials or numbers – is one of those builds that’s on every Arduino neophyte’s ‘To Build’ list. It’s a bit more complex than blinking a LED, but an ...

Important: This project is specifically designed for a 32x8 LED matrix using 4x MAX7219 modules. Other matrix sizes or configurations are not supported without code modifications. Note: The matrix ...

Define GPIOs, Brightness, and Timezones in the platformio.ini. Wi-Fi credentials were recently replaced with WiFiManager, so there are no hardcoded passwords anymore. When run for the first time (or ...

This LED binary clock based on PIC is the second version of the project whereas the first project used a PIC16F84A for doing both the timekeeping and controlling the display matrix. This version ...

Part 1 of this three-part series introduced the technical and engineering steps necessary to design an LED display system from individual LED lamps. Part 2 provided the remaining steps needed to ...

ESPTimeCast: stylish ESP32 LED-matrix clock showing time, weather, countdown, and glucose. Web UI, NTP sync, OpenWeatherMap updates, and many display/toggle settings for customization. 3D-printable ...

Arduino has launched its next generation of UNO boards, introducing a 32-bit Renesas microcontroller and Espressif ESP32-S3 module, one-click cloud connectivity and plenty of I/O plus a 12×8 red LED ...

We’ve seen some great Halloween-related hacks for costumes, including the gaping hole one over at Make, but we at GeekTech are fond of wiring up our pumpkins as well (we even made a Pumpkin PC). Mike ...