Matthias random stuff

Best fan placement to move air through the house

How to solve the snake cube puzzle

European windows are awesome

Fan repair fail

Oil filled heaters: 600 watt heaters pretending to be 1500 watts

I bought a scam energy saver and made it actually save energy!

How efficient are our minisplit heat pumps in the winter

Making round drawer knobs, no lathe

Make perfect plugs to cover defects in wood

I ticked off a sponsor

Balancing a fan that shakes too much

Re-greasing a shielded bearing (no disassembly)

Long sheet metal bends, no brake

Making a solar eclipse projector

This air compressor will fail

Solar panning camera build and eclipse shenanigans

How bad you get zapped before a GFCI trips

Amateur iPad screen replacement

Everyone needs a kitchen hammer

Pi pico therapy timer and C vs. micro python

Calibrating my anemometer for measuring really low wind speeds

Why not just use a shopvac for my router table? (vs. custom blower)

Fixing a benchtop power supply I built 37 years ago

Raspberry pi Pico programming in C -- microwave oven monitor and reminder

Lawn mower of destruction

Best heater to keep me warm at my desk

Blackberry trailer reaction and talking about RIM back in the days

This bell rings two notes at the same time

Closed loop stepper motors -- very impressive

The cheapest USB scope I could find online

Magnetic rotary encoder vs stepper motor accuracy

Linear position with a rotary magnetic encoder

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

Infrared heater efficiency -- how much is radiated infrared?