Boards in 4 GitHub repositories, designed in KiCad, that use the LMV331IDBVR by TECH PUBLIC (-2.75V~-0.9V、0.9V~2.75V -40℃~+85℃ 1 1.8V~5.5V 2uV/℃ 40uA 4pA 500uV 5ns 6mV 6pA 70dB 77.5ns 7V Open Drain Rail-to-Rail Input, Rail-to-Rail Output TTL、CMOS SOT23-5 Comparators ROHS). See how each wires it, with its parts, size, README and files; the LMV331IDBVR’s symbol, footprint and pinout are on its own page.
dazchi/bx-tacho
Open DIY Beyblade X launcher RPM meter: ESP32-C3 with IR sensors and an OLED, Bluetooth (Battle Pass protocol), and a browser app for shot data and firmware updates. KiCad hardware, ESP-IDF firmware, 3D-printed case.
nunosousa/SCART-switcher
An old school SCART switcher. Its main purpose will be to automaticaly detect and switch the video output to the active input video source.
reza-bakhshi/RB-Pirate
RB-Pirate helps developers, makers, and hardware enthusiasts communicate with, analyze, and debug electronic devices directly from a terminal.
offgridevices/offgrid-hardware
Open hardware from OffGrid Devices. One folder per board. CERN-OHL-S.