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 am waiting for my PIC micro controller board and this is my first time that i am using an original development board. All these days i have used my own designed programmer and test board. But once i changed my developing terminal for a laptop, it did not work. cause the serial port peak voltage from laptop is 7.5V which is useless for programming. At least 12.7V or 13V is needed to program a PIC micro.
My old programmer still works in PC . If anyone interested on it i can give you an schematic of it.
My old programmer still works in PC . If anyone interested on it i can give you an schematic of it.
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