Simple Game Buzzers with Arduino
My son was in need of game buzzers on short notice. So I put together something quick & simple that got the job done. This… Read More »Simple Game Buzzers with Arduino
Microcontrollers
DIY GPS Unit with Arduino Uno
This DIY GPS unit consists of an Arduino Uno, SSD1306 OLED display, and BN-220 GPS. It is powered by a 9V battery. In another post… Read More »DIY GPS Unit with Arduino Uno
Arduino Heap Space Workaround
I thought this GPS project would be done quickly, but found myself scratching my head for days on a weird issue. I still don’t know… Read More »Arduino Heap Space Workaround
DIY Light Box With Wifi Control
This light box is illuminated by individually addressable LED strips and controlled over Wifi. The code and scenery template pdf can be found here: https://github.com/benjohnemmett/LightBox/… Read More »DIY Light Box With Wifi Control
Wemos D1 With Arduino IDE
The Wemos D1 ESP8266 board is a good little board with a few quirks to note when working with Arduino. Here are my notes on… Read More »Wemos D1 With Arduino IDE
C Linker and Fresh Eyes
It’s often valuable to set a project down for a while. After setting down the Flight Logger project for a few months, I came back… Read More »C Linker and Fresh Eyes
Simple Wireless Serial Communication
Notes on basic setup & testing of the JDY-40 wireless serial port module. These are simple wireless serial communication modules that work fairly well and… Read More »Simple Wireless Serial Communication
LED Matrix Animation
Simple process for basic LED matrix animation using a custom MicroPython library.
Custom Characters with an LCD 1602
Custom characters can be used to draw any simple image on an LCD 1602 display. The gitbub repo includes a python script to generate display code from any image.
ESP-Now With MicroPython
Testing a MicroPython build that supports ESP-Now. Example code for some initial tests on ESP32 dev boards included.