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
Electronics
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
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.
Pulse Width Modulation Outsourcing To PCA9685
These are my notes on setting up the ATMega4809 microcontroller for dimming LED lights using a PCA9685 PWM controller IC.
Servo Motor Control With ATmega4809
Building on the PWM input capture, this is an active passthrough program that drives servo motors. This is a key step toward flight stabilization and control.
Simple Multi-Channel Pulse Width Capture with ATmega4809
Some notes on 4-channel servo control PWM capture with an ATmega4809. Includes source code and notes on development and improvements.
Lighting a Christmas Ornament
Making a Christmas tree ornament into an illuminated freestanding nativity scene.
