A bit of electronics servicing history - the Universal AvoMeter Model 7
https://en.wikipedia.org/wiki/Avometer
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https://www.youtube.com/watch?v=z2OoBFHM8Zg
Writing directly to the ATmega328 registers circumvents problems caused by the analogWrite() function.
Previous video - Arduino PWM Inversion Issue:
https://youtu.be/fEz-NDCDhT4
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https://www.youtube.com/watch?v=IMm0-gGkRi0
After watching the film "The Imitation Game", I felt inspired to visit Bletchley Park where all the code breaking activity took place during the 2nd world war. Fortunately, Bletchley isn't far from where I live. We saw the Enigma machines as well as the Bombe which was used to speed up breaking of the Enigma cyphers.
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https://www.youtube.com/watch?v=JB5364k9r0Q
$2 for 10 PCBs & 24 Hour Production: https://jlcpcb.com
Do anti-slash gloves work?
Patreon link: https://www.patreon.com/julian256
eBay links:
Cut Metal Mesh Butcher Anti-cutting Protective Glove Stainless Steel Work Gloves https://ebay.us/8fWXLm
Automatic DC 12V-24V 8A Infrared PIR Motion Sensor Switch For LED light Best https://ebay.us/8wmYOB
1pcs MC68000P8 CPU Vintage Microprocessor https://ebay.us/cmhyyb
3Kit 1/4inch In Line Fuel Gas Filter Shut Cut Off Valve Clamp For Brigg&Stratton https://ebay.us/tCVmtp
Brass Barbed "Y" Splitter Joiner Connector Pipe Fitting Air Fuel Hose HI https://ebay.us/uWcYTj
Current Sensor IC ACS758LCB-050B/100B-PFF-T ACS758LCB Current Module https://ebay.us/y4LoVK
Data sheet links:
http://www.din-tek.jp/Upload/Product%20Doc/Datasheet/DTU09N03.pdf
http://www.ti.com/lit/ds/symlink/tlc2272.pdf
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https://www.youtube.com/watch?v=L-xMLUwGuxw