Posted in CH340G Circuit Boards Development Boards Integrated Circuits Packages QFN SMD/SMT STM32 MCU TQFN TQFP
STM32 Dev Board With CH340G USB
Overview Development board employing an STM32 MCU with a CH340G USB interface IC. LED(s) associated with GPIO…
USB-A PCB Interface Card
Overall Idea I was working on a Christmas ornament PCB that was meant to be something that…
Posted in Circuit Boards ESP8266 Espressif Modules GPIO Expanders Headers Packages PCB to PCB TQFN TQFP WEMOS D1 MINI
ESP8266 Wemos D1 Mini GPIO Expander
Overview So a few years ago, I had purchased a good number of Wemos D1 Mini modules….
Posted in Circuit Boards Discrete Components ESP32 Espressif Modules Headers Interface Boards MOSFET Optical Isolators/Couplers Packages SMD/SMT SOT TQFN TQFP
ESP32 Quad Optically Isolated n-mosFET Switch Board
Overview So I love chatting up circuit designs with folks. And this board is actually one of…
Posted in Circuit Boards Development Boards Discrete Components General Headers LED Packages SMD/SMT
LED Panel, First Pass
Overview One night, I was wondering how many LED(s) I could stick onto a PCB and how…