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“How to use the AVR64DD32’s asynchronous counter to measure frequencies beyond 100 MHz Modern AVR microcontrollers have asynchronous counters that can be externally driven to count pulses from 1 Hz to beyond 100 MHz. Over the years I’ve …
“I’ve always wanted to build a compass belt! The idea is to attach a couple of vibration motors to a belt, use a compass sensor to find north, and then to let the motor that points north vibrate! Wearing …
“Since they offer so many features in such a small form, smartwatches are incredibly exciting. But what actually distinguishes a cool smartwatch? It is unquestionably its appearance and qualities. Designing and building your own Smartwatch is the best approach to …
“When making videos with a tripod fluid head, there aren’t that many movements you can do. You’ve got tilt and pan - so basically either a vertical movement or a horizontal movement. Both of these have one common characteristic …
“RGB light color mixer made with Arduino Nano provided by PCBWay. We see the interaction of the primary colors, varying the intensity of each”
“This project is the design of a mechanical flower which is sensitive to light and moves in the direction of light. I started off in my mind to design a compact one but as always things don’t necessarily go …
“In this tutorial, you’ll learn how to publish images from an ESP32-CAM board to multiple browser clients using MQTT (Message Queuing Telemetry Transport). This setup will enable you to create a platform that functions similarly to a live …
“Control heat pumps manually or remotely via MQTT/Home Assistant. I love my heat pumps. They’re energy efficient and the fastest way to heat or cool any room. But I’ve always hated the remote controls that come with …
“This project is based on the “Portable MK14 emulator in ‘C’”. While I’m not certain of the exact origins, I discovered it in Doug Rice’s Virtual MK14 GitHub repository. Doug and Hein Pragt’s websites were valuable resources …
“This is a simple CAN Bus monitor that displays information about the packets on a CAN Bus It’s based on an Adafruit ESP32 Feather, a CAN Bus Transceiver, and a 240x135 TFT Display. I tested it by sending packets …