Tech related articles on woodgears.ca

Closed loop stepper motors -- very impressive (2024)

Magnetic encoder vs stepper motor accuracy (2024)

High-tech automatic Infrared heater aimer (2019)

Stepper mictostepping and controlling from Raspberry Pi (2019)

Solar panning camera build and eclipse shenanigans (2024)

Computer controlled cap shooter aimer (2019)

Squirrel shooter fail (2019)

Ultrasonic distance sensor as oil level gauge (2021)

Anemometer interface for Raspberry Pi (2021)

Working out optimal fan placement to vent out the house (2021)

Homemade benchtop
power supply (1987)

The cheapest USB scope I could find (2019)

Rigol DS1202 Z-E oscilloscope review (2023)

Gochifix 3 in 1 scope meter review (2024)

What's inside a Sonicare toothbrush (2019)

Braun hand mixer speed control fix (2019)

Infrared heater: How warm does it feel (2019)

Wifi antenna
booster dish (2014)

Buil a better mouse trap using video surveillance (2015)

Mouse gap squeezer teaser machine (2018)

Wooden computer case (2007)

Eyeballing game (2008)

Computer controlled
box joint jig (2003)

How DC motors and universal motors work (2014)

How induction motors work (2014)

Wet rotor synchronous dishwasher motor (2017)

Figuring out a mystery motor (2019)

Brushless DC motor analysis (2019)

Measure R-values with infrared thermometer (2019)

Dehumidifiers moisture and vapour barriers - experiments (2019)

Does dusting out a fridge reduce power? (2019)

How efficient is a refrigerator heat pump? (2019)

What I have been up to lately (2019)

Drill battery powered LED worklight (2019)

My imgcomp program (motion triggered time-lapses, 2016)

Using the second (I2C 0) port on Raspberry Pi (2021)

Raspberry pi computer camera holder (2015)

My imgcomp motion triggered timelapse software

Raspberry Pi power over ethernet and mount it outside (2018)

Headless Raspberry Pi blink assigned IP address (2020)

Inductive current measuring using Raspbery Pi (2021)

Pi pico therapy timer, C vs. MicroPython (2023)

Programming Pi Pico in C — Microwave oven monitor (2023)

Our electrical is all wobbly, measuring power is hard (2022)

Inverters don't like power tools (2022)

Amateur iPad screen replacement (2022)

Two inverters in series to make 240 volts (2023)

Transformer core saturation and imbalance (2023)

Let the microwaves be free (2023)

Anemometer calibration, measuring low wind speeds (2023)

Some of my older technical hacks

To my Woodworking website.