Boards in 49 GitHub repositories, designed in KiCad, that use the SMAJ15A by MDD (-65℃~+150℃ 15V 16.4A@10/1000us 18.5V 1uA 24.4V 400W@10/1000us TVS Unidirectional DO-214AC(SMA) ESD and Surge Protection (TVS/ESD) ROHS). See how each wires it, with its parts, size, README and files; the SMAJ15A’s symbol, footprint and pinout are on its own page.
iMike78/nest-mini-drop-in-pcb
Drop-in PCB replacement for the Google Nest Mini v2 with ESP32-S3, ESP32-P4 and optional ESP32-C6. Inspired by Onju Voice and Home Assistant Voice PE.
fahreddinaykut/SparkAltBatteryBoard
A custom research-oriented battery interface and telemetry board for the DJI Spark platform, built around a standard 3S LiPo battery pack instead of the discontinued, hard-to-find OEM Smart Battery.
thomasnonis/ppse-2021
This is the repository for SALMO, the Solar Azimuth and eLevation Motorized lOcator. It is a PCB used for driving a tracking solar panel system, using GPS location and a MPPT algorithm to maximise the incident power.
CoraBeanz/linescan-hyperspectral-splatting
A homebuilt pushbroom spectrograph rides a robot arm, and the 3D Gaussian splat it trains stores a full 500–950 nm spectrum in every Gaussian instead of an RGB color.
jasperhax0r/CompaqPortableKeyboard
Mechanical Keyboard for the original Compaq Portable XT-Class
nicholasshort/GuitarFX
This is a digital guitar effects pedal designed as a generic DSP platform. I've written simple algorithms such as volume and tone control, however plans are in the works for others: namely hard and soft clipping…
Poent/RC-Snowblower
Working on designing the impeller and auger portion of the snowblower. Switched from using a worm gear assembly to a custom ring and pinion setup using a spiral bevel gear.
EdgeCoil/wiegand-bridge
ESP32-S3 Wiegand reader bridge for Home Assistant: 4-layer board, BOM and ESPHome firmware.
kenbrinkman/af4-poe-trigger
DIY replacement for the inD connect dongle: ESPHome on an ESP32-POE-ISO triggers the aF4 frozen-food feeder's 0-10V port, scheduled from Home Assistant. Includes wiring, BOM, and printable enclosure
williamlin108/USAYPT2026_FlashSensor_MLWGS
10kHz cutoff bandwidth; TO-5 Package Si-photodiode with TIA amplifier (G:2k)
An4s0/STM32-Industrial-Edge-Gateway
Embedded industrial edge gateway for environmental monitoring. Features Modbus RTU over RS485, real-time US EPA AQI computation, FatFs microSD CSV logging, and an embedded lwIP Ethernet web dashboard.
anushakatikireddy/STM32-Industrial_Encoder_Node
Compact industrial encoder node designed for reliable position sensing and communication in robotics and motion control applications, developed as a complete hardware solution in KiCad.
comedy1982-spec/pcb-viewer
Dadu 기반 ELD 솔레노이드 ECU. 12 V 입력, TC364 · CAN-FD · PMIC, PCB 위 센서는 NTC 하나. A4911(3상 드라이버)의 A·B 레그로 H-브리지(하프브리지 IAUC60N04S6N050H ×2, 레그 션트 2 mΩ ×2), C 레그는 비워 두고 SPI로 그 고장(VC · CHO · CLO · OC3)을 마스크.
DashiellRussell/UNSW_Rocketry_Senior_Flight_Computer
KiCad project for the senior flight computer used by UNSW Rocketry.
EdgeOfAssembly/multi-hdd-usb3-adapter
USB3 multi-HDD adapter (PATA+SATA) — JLCPCB Gerbers/BOM
GeoffreyKassis/led_grow_light
USB-C PD grow light in two assemblies: an FR-4 controller (MAINBOARD/) and a one-layer aluminum LED panel (LEDBOARD/), joined by an 8-wire 2×4 IDC harness.
hasan-abuzaid/nft-hydroponic-controller
Open-hardware ESP32-S3 controller for NFT hydroponics: pH/EC/level sensing, 6 relay channels, ESPHome + Home Assistant
HeyPCB/iris-brainstem
Iris Brainstem: power and servo hub of the Iris robot head. 9 V USB-C PD in, 6 V / 5 A servo rail in stitched copper zones (measured), 5 V rail, half-duplex servo bus with ten ports, speaker amp.
HeyPCB/power-kit
Six open power and charging boards: KiCad 10, JLCPCB-ready, CERN-OHL-S-2.0
kevleep/Project-Roll
Project Roll Project Roll is a spherical robot that achieves omni-directional movement using omni-wheels and a hamster ball drive mechanism.