Wierenga
Exercising the Teensy 4.0
June 2020
While the focus here is on the computing power of the Teensy 4.0, there are many other features that make it an excellent choice for many applications.
Building a DMM & Basic Oscilloscope with the Dr. Duino Explorer Edition
January 2022
Build a DMM and basic o'scope for a fraction of the cost!
Build a Digital Clock Family Using Nextion Displays
May 2020
Digital clocks made with Nextion displays are a great design.
Build a Video Camera Using the ESP32-CAM Board
July 2020
Use the ESP32-CAM module to make a video camera.
Creality Ender 5 Pro - A Review
2020
The Creality Ender 5 Pro is a great 3D printer and one I can highly recommend.
Building a Programmable Thermostat with a Nextion LCD Display
2019
Customizing a thermostat for a simple forced air heating/cooling system.
Another ESP32 Digital Clock
2019
Adventures with two cores and the ESP32
An ESP32 / Teensy 3.5 Super Clock
2019
Improving on my previous Internet Digital Clock
Build an Internet Digital Clock
January 2019
Time to build this digital clock that connects via Wi-Fi to the Internet to not only display the usual time, date, temperature, and humidity, but to also be able to retrieve things from the Internet like the weather or weather forecast and stock market reports as well.
An Electronic Chessboard Using RGB LED Strips and Hall Effect Sensors — Part 2
February 2017
Create the software needed to accommodate two players on our electronic chessboard.
An Electronic Chessboard Using RGB LED Strips and Hall Effect Sensors
January 2017
This chess game keeps track of the board and the rules for both players.
Using Programmable RGB LED Strips in Arrays
November 2016
I’ve always wanted to build an LED table, and using LED strips made it super easy. Here’s how to do it.
A Router Restarter
August 2016
This device is much more versatile than you might think.
A Barn Door Tracker for AstroPhotography
January 2015
Now, you can be the star and take long exposure photographs of the night sky.
Giving Life to the Adafruit 32x32 RGB Matrix Panel
July 2014
You’ll have a great time making a cool graphical display of Conway’s Game of Life with this colorful array.
