4 layers100 × 80 mm
BlueMatrixTicker
SimulatedFlow/kicad-board-2026-07-27-bluematrixticker
BlueMatrixTicker - STM32 Bluepill LED matrix ticker / scrolling display board. Hand-solderable THT, bare PCB. KiCad source files.
21 parts
Electronics
1,429 boardsKiCad boards from 602 GitHub repositories tagged “electronics”, the most starred first; open any of them in PCBKit.
- 4 layers100 × 80 mm
BluePillComNode
SimulatedFlow/kicad-board-2026-07-27-bluepillcomnode
STM32 Bluepill ComNode - industrial comms carrier with RS485, CAN bus and 0-10V analog interface. Hand-solderable THT, bare PCB. KiCad source files.
26 parts - 4 layers100 × 80 mm
BluePixelMatrix
SimulatedFlow/kicad-board-2026-07-27-bluepixelmatrix
BluePixelMatrix - STM32 Bluepill addressable RGB pixel matrix board. Hand-solderable THT, bare PCB. KiCad source files.
142 parts - 4 layers100 × 60 mm
HM BlueRemote-12
SimulatedFlow/kicad-board-2026-07-27-hm-blueremote-12
Homematic-compatible 12-button handheld remote based on the STM32 Bluepill. Bare PCB, hand-solderable THT. KiCad source files.
23 parts - 4 layers68.6 × 53.3 mm
ArduinoUnoProtoShield
SimulatedFlow/kicad-board-2026-07-28-arduinounoprotoshield
Arduino Uno prototyping shield - perfboard-style THT grid for sensors and displays, solder-your-own DIY shield. Bare PCB, KiCad source files.
24 parts - 4 layers100 × 100 mm
SMDProtoBreakoutPanel
SimulatedFlow/kicad-board-2026-07-28-smdprotobreakoutpanel
SMD prototyping breakout panel - snap-apart adapter boards (SOIC, SOT, QFN) for hand-soldering SMD parts to 2.54 mm THT grid. Bare PCB.
37 parts - 4 layers100 × 80 mm
Bluepill CNC3Axis Carrier
SimulatedFlow/kicad-board-2026-07-29-bluepill-cnc-stepper
STM32 Bluepill CNC stepper controller carrier - baseboard for 4 stepper driver modules (A4988 / DRV8825), endstops and spindle. Bare PCB, KiCad sources.
23 parts - 4 layers80 × 80 mm
Bluepill QuadFC Carrier
SimulatedFlow/kicad-board-2026-07-29-bluepill-quad-fc
STM32 Bluepill quadcopter flight controller board - IMU, ESC headers and receiver input. Bare PCB, KiCad source files.
21 parts - 4 layers80 × 60 mm
Bluepill SensorNode Carrier
SimulatedFlow/kicad-board-2026-07-29-bluepill-sensor-node
STM32 Bluepill environmental sensor node carrier - BME280 temperature / humidity / pressure, RTC and OLED display. Solder kit, bare PCB.
21 parts - 4 layers65 × 56 mm
RPi DroneRover HAT
SimulatedFlow/kicad-board-2026-07-29-rpi-drone-hat
Raspberry Pi drone HAT - carrier board with 4 ESC outputs and IMU for Raspberry Pi based multicopters. Solder kit, bare PCB, KiCad sources.
19 parts - 4 layers100 × 80 mm
Bluepill BrushedQuad Driver
SimulatedFlow/kicad-board-2026-07-30-bluepill-brushed-quad
STM32 Bluepill brushed quadcopter board - 4 MOSFET motor drivers and IMU for brushed micro drones. Solder kit, bare PCB, KiCad source files.
27 parts - 2 layers90 × 90 mm
Tpg transceptor
sjperson/audio-transceiver
Arduino-based audio transceiver with microphone input, 6-bit ADC/DAC, and analog reconstruction
57 partsMIT - 2 layers74.5 × 63 mm
- 2 layers39 × 32.2 mm
Ac dc converter
Srushti-D-Hebbar/12v-ac-to-dc-converter
Two-layer KiCad PCB for converting 12V AC to unregulated DC using a full-wave bridge rectifier, capacitor filtering, and LED power indication.
10 partsMIT - 2 layers88.6 × 78.8 mm
Water level
Srushti-D-Hebbar/arduino-water-level-monitor
Arduino Uno water-level monitoring and pump controller with HC-SR04, 16×2 LCD, and relay-based pump control. Wokwi-validated and designed as a 2-layer PCB in KiCad 10.
19 partsMIT - 4 layers30.6 × 35.8 mm
Esp32-c3-mini
Srushti-D-Hebbar/esp32-c3-wroom02-development-board
A custom 4-layer ESP32-C3-WROOM-02 development board designed in KiCad 10 - includes USB-C power/data, schematics, PCB layout, and manufacturing files.
29 partsMIT - 2 layers39.1 × 57.5 mm
Rasp pi pico
Srushti-D-Hebbar/raspberry-pi-pico-development-board
Custom Raspberry Pi Pico-compatible development board designed from scratch in KiCad 10 using the RP2040 microcontroller.
50 partsMIT - 2 layers56.2 × 35.3 mm
Transformerless psu
Srushti-D-Hebbar/transformerless-power-supply
Two-layer transformerless power supply designed in KiCad, featuring AC rectification, capacitive voltage dropping, zener protection, and 5V regulation.
18 partsMIT - 2 layers
Passive lipo balancer nano
taguko/passive-lipo-balancer-nano
Passive LiPo cell balancer based on Arduino Nano.
27 partsMIT - 2 layers60 × 40 mm
Tp4056-multicell charger
taguko/tp4056-multicell-charger
USB-C charger for small 2S/3S LiPo and Li-ion battery packs using TP4056 module.
14 partsMIT - 2 layers127 × 125.9 mm
- 2 layers55 × 40 mm
Lm386-audio amplifier with agc
tataranovich/lm386-audio-amplifier-with-agc
LM386 audio amplifier with AGC
22 parts - 2 layers80.2 × 34.2 mm
Psu main
tb8-5/12VAC-Dual-Output-Buck-Power-Supply-PCB
Custom 2-layer KiCad PCB converting 12VAC to regulated 5V and 3.3V outputs using full-wave rectification and synchronous buck converters.
25 parts - 2 layers36 × 28 mm
Timegrapher PreAmp
thisoldscot/Timegrapher_PreAmp
Through-hole piezo preamplifier board for the Timegrapher Studio - conditions the faint escapement signal for the I2S ADC. KiCad.
19 parts