Boards in 6 GitHub repositories, designed in KiCad, that use the TCMT4100 by Vishay Intertechnology (-40℃~+100℃ 1.35V 3.75kV 300mV@10mA,1mA 4 5.5us 50% 50mA 600% 60mA 6V 70V 7us DC Phototransistor SOP-16-4.4mm Transistor, Photovoltaic Output Optoisolators ROHS). See how each wires it, with its parts, size, README and files; the TCMT4100’s symbol, footprint and pinout are on its own page.
donoghdb/local-zappi
A dedicated hardware implant for Myenergi Zappi V2.x EV Chargers. This project interfaces directly with the Zappi's internal control bus to provide Local MQTT, Home Assistant, and Web Control without relying on the…
pimbongaerts/altimeter
Underwater sonar/USBL interface for photogrammetry surveys. PCB design files and Arduino code.
risingtideresearch/CAN-Power-Control
CAN device for switching high-current DC loads and reading sensors and switch closures
wojtek-00/HomeAutomation
A modular home automation system built around ESPHome, custom PCB design (KiCad), and 3D-printed enclosures.