Custom ESP32-S3 development board — professionally manufactured by JLCPCB. A far cry from where it all started. It Started in a School Science Lab — Around 1998 Most people who get into electronics start with a kit, a tutorial, maybe a breadboard and some LEDs. I started by sneaking ferric chloride out of a school science lab to etch my first PCB. That was around 1998. I was living in the Maldives — a small island nation in the Indian Ocean — where there was no electronics supply chain, no maker community, no local PCB fab. Just a chemistry cabinet at school, a copper-clad board from somewhere, and a lot of curiosity. This post is about what the next 25+ years of PCB prototyping looked like from there. The early wins with proper chemicals, the years of improvisation when those chemicals disappeared, the real injuries, the failed boards, and finally — the moment JLCPCB changed ever...
I design my wheel encoders in coreldraw and it takes time to do the design. But recently found a better solution for that. A small software called wheel encoder generator which helps you to design different types of encoders in few seconds. I hope this will be a helpful tip for those who whats to make there own optical wheel encoders.
Link for the software https://code.google.com/p/wheel-encoder-generator/
Link for the software https://code.google.com/p/wheel-encoder-generator/
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