
Boards using the BC547B
45 boardsBoards in 36 GitHub repositories, designed in KiCad, that use the BC547B by LGE (1 NPN 100mA 100nA 150MHz 200 300mV 45V 625mW 6V NPN TO-92 Bipolar (BJT) ROHS). See how each wires it, with its parts, size, README and files; the BC547B’s symbol, footprint and pinout are on its own page.
- 2 layers213 × 65.1 mm

- 2 layers173 × 85 mm

Audio board
EleonoreMizo/pedalevite
Pédale Vite — DIY multi-FX pedalboard for guitar/bass/etc.
268 parts101WTFPL - 2 layers283 × 177.5 mm

UC-50-001
sporniket/kicad-conversions--thomson-mo5--v1
A conversion to Kicad EDA of the schematics of a computer released around 1984 known as the "Thomson MO5".
225 parts7CC0-1.0 - 2 layers80.5 × 91.4 mm

- 2 layers287 × 150 mm

Delta48m
madcatse/Delta-S-M
A recreation of soviet Delta-S personal computer using semi-modern parts and original case
240 parts5 - 2 layers101.5 × 63 mm

- 2 layers300 × 53 mm

BMW E30 Late Cluster SI
Ansel84/BMW-E30-Gauge-Cluster-Late-Model
This project is the documentation of reverse engineering the BMW E30 gauge cluster for post 1988 model years.
118 parts2MIT - 2 layers150.4 × 114 mm

VMFB
src1138/VMFB
Simple, inexpensive bird feeder that dispenses peanuts in exchange for dropping stuff in a hole. A vending machine for clever birds.
138 parts2 - 2 layers105 × 100 mm

Dist
cookiemonsternz/Eurorack-DIST
Every circuit has a gain, tone, and volume control, as well as a switch deciding whether to take input from the previous section or from the input jack.
173 parts1 - 2 layers89.2 × 62.1 mm

Dce pcb v1
DeniseViltes/dce-g5-proyecto_integrador
FIUBA - Electrónica - Taller de Diseño de Circuitos Electrónicos -Proyecto de diseño: Sistema de alimentación para aplicaciones industriales y automotrices
59 parts1 - 2 layers100 × 80 mm

Brewingstation3
Gr3yh0und/brewingstation
Automate your brew day: ESP32 + induction cooktop + PID control, talking MQTT to CraftBeerPi.
51 parts1MIT - 4 layers273 × 178 mm

Pico thing
markrvmurray/pico-thing
An 8-bit MC6809E / HD6309E single-board computer with a pair of Raspberry Pi Pico 2 (RP2350 / Pimoroni PGA2350) modules acting as intelligent bus peripherals, a 1–2 MB banked-RAM DAT/MMU, a 40-pin PATA hard-disk…
206 parts1BSD-2-Clause - 2 layers70 × 45 mm

Ct amp rectifier 5v clean
sutony1/windows-ai-eda-workflow
Reproducible Windows SPICE to KiCad 10 to EasyEDA/JLCPCB workflow with Codex skills
25 parts1MIT - 2 layers94.1 × 121.9 mm

SCH PowerSupply
UAA-F14/PCBs-Design
Power electronics PCB coursework — SCR controller, buck converter, Class D amplifier, DC-AC inverter, and a protected power supply Resources
47 parts1 - 2 layers85.1 × 52.1 mm

- 2 layers72.8 × 38 mm

- 2 layers112 × 92 mm

BatterySwitch Steuerplatine
bugtesterdani/BatterySwitch
Automatische Umschaltung zwischen zwei Akkus (Batterie 1: 50 Ah, Batterie 2: 30 Ah) in einem 72-V-System (ca. 71,x V Ladeschluss, ca. 58 V Entladeschluss — z. B.
56 parts - 2 layers71.9 × 100 mm

Vco
cookiemonsternz/Eurorack-VCO
Also, a lot of eurorack modules are quite bland in terms of design, often lacking any personality and focusing purely on cramming as many knobs in as possible.
115 parts - 2 layers100 × 70 mm

Control Laser C30
FernandoVB01/Circuito-Disparo-Laser-CO2
Diseño Básico de Circuito para Disparo PCB CO2
49 partsMIT - 2 layers86.5 × 57.1 mm

CONTROL PowerSupply
IKGB105/PCBs-POWER-ELECTRONICS
Power electronics PCB coursework — SCR controller, buck converter, Class D amplifier, DC-AC inverter, and a protected power supply Resources
27 parts - 2 layers80 × 96.6 mm

TheThing
MakersAsylumIndia/Arcade
A simple badge / bag tag using Arduino Nano and 8x8 LED matrix (bi-color)
195 partsGPL-3.0 - 2 layers

Przek
mateusz-plociennik/electronic-bimetal
Electronic bimetal circuit for railway modelling based on ATtiny13
26 partsMIT - 2 layers152.5 × 82 mm

Edu board
polish-space-agency/key-to-space
PL: Cała zawartość tego repozytorium, w tym pliki projektowe programu KiCad (schematy i projekty płytek PCB) oraz dokumentacja techniczna, udostępniana jest na licencji: Creative Commons Uznanie autorstwa - Użycie…
32 parts - 2 layers

PCB DESIGN
RaykiDan/PCB-Design-Project
Design PCB untuk monitoring kompor gas akan adanya kebocoran gas dan kemungkinan kondisi berbahaya
57 parts