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Geerling Engineering

Fun experiments, thoughtful guides. All things tech, electronics, and computing!

the 3rd team hidden at every hockey game

we spy on your wifi with this little pi

radio engineers react to stranger things' radio station

hot dog plasma microphone (ft slow mo guys)

why do some radio towers blink?

i brought this to my dad's engineering workshop, and it fixed itself!

the apple ii and the mysterious ticking noise

robots, rf, and rockets at open sauce 2025

sdr is an incredible tool for understanding radio

i did not die installing a gps antenna with my dad

the most important part of every sports broadcast

can we get my dad's first computer working again? (46 years later)

radio station in a 10" mini rack

can the fcc save radio through deregulation?

automakers are losing the battle with this 100-year-old tech

engineers react to 1100 ft radio tower climb

why is the invisible part of this radio tower so important?

meshtastic off-grid radio: fantastic? waste of plastic? or...

how dangerous is am radio? (ft plasma channel)

free p2p wireless mesh networking

this am radio still costs thousands of dollars—why?