26 December 2023

Luce di cortesia per il baule dell'auto

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Arriva l'auto nuova. E' dotata di sensori di parcheggio, retrocamera, frenata assistita, sensori di collisione, sensore di pioggia, ...
23 December 2023

Battery of Braun 5514 shaver

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I have a cordless hair&beard "styling kit" from Braun, model 5514, that doesn't hold the charge anymore. I use my solderin...
09 December 2023

High-Voltage High-Z DIY probe

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As a self-assignment for troubleshooting the Hameg oscilloscope, I needed to measure kiloVolts. The world agrees that you need to arrange a...
05 December 2023

Troubleshooting an Hameg HM203-6 oscilloscope - no trace

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R ight after fixing the high voltage being too high (-2500V vs -1900V) on the Hameg HM203-6 oscilloscope, the trace disappeared. Note that I...
30 November 2023

Troubleshooting an Hameg HM203-6 oscilloscope - high voltage on CRT

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I used the Hameg HM203-6 scope to test the Tennis-for-Two emulator I quickly built in November 2023. I also carried it to the exhibition ven...
29 November 2023

Tennis for Two emulator

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The secret project that went live on November 17th, 2023, was an emulator of the Tennis-for-Two game from 1958. It has been built for MuPIn...
19 November 2023

PCB design: unfortunate position for a microcontroller IC

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The last PCB I designed includes an ATtiny85 microcontroller. Since it will not need many updates I did not include the ICSP header for repr...
17 November 2023

Teaser 2 - secret project

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Second part - of three - of the secret project going live in 4 hours in Torino...