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Public designs

109-126 of 151 boards
ecg-esp32
@doenec

open source project ecg with esp32 and ad8232

schematicpcbbomresistorcapacitorinductortransistor
No license00Jun 28, 2026
s1-ecg-demo
@siliconwitchery

An all-in-one kit to deploy and test ECG algorithms with ease. Based on the AD8233 and S1 Module, this open source board is a great for new products, as well as research and teaching.

schematicpcbbomresistorcapacitorICbattery
CERN-OHL-P-2.000Jun 28, 2026
solarlorabox
@h0lad

An experimental low power LoRa platform based on the ST STM32U083CCT6 + Heltec RA-62 (Semtech SX1262) + 128MBit Flash and the solar charge controller TI BQ25185

schematicpcbbomresistorcapacitorICbattery
CERN-OHL-S-2.000Jun 28, 2026
rc-car
@alaotach

No description.

schematicpcbbomresistorcapacitorinductorregulator
No license00Jun 28, 2026
spikexcm4
@ericyufengwu

PCB design (KiCAD) files of a Raspberry Pi CM4 carrier board system for LEGO SPIKe Prime

schematicpcbbominductorcapacitorresistorIC
No license00Jun 28, 2026
beepy-hardware
@sqfmi

Beepy Hardware

schematicpcbbomcapacitorresistorinductorregulator
MIT00Jun 28, 2026
electroencephalogram
@stephan-biomedical-engineer

This project focuses on developing a wearable Electroencephalogram (EEG) device, integrating key concepts from Internet of Things (IoT) and embedded systems for biopotential acquisition.

schematicpcbbomcapacitorresistorinductorbattery
No license00Jun 28, 2026
lna_1mhz
@h4w4k4

10Hz to 1MHz Low Noise Amplifier based on Linear Technology AN-159.

schematicpcbbomresistorcapacitorbatteryconnector
No license00Jun 28, 2026
angaza_elimu_pcb
@r-mutura

ANGAZA_ELIMU_PCB

schematicpcbbomcapacitorresistorinductorcrystal
No license00Jun 28, 2026
nrfmicro
@joric

A Pro Micro alternative for wireless keyboards

schematicpcbbomresistordiodecrystaltransistor
Unlicense10Jun 28, 2026
plantpal
@teapotlaboratories

Your pal in plant care

schematicpcbbominductorfusecapacitorresistor
MIT00Jun 28, 2026
esp32-c3-iot-sensor-board
@ans1s

Open-source ESP32-C3 platform for ultra-low-power environmental sensor networks powered by recycled LiPo cells. Includes KiCad PCB, PlatformIO firmware (ESP-NOW + ThingSpeak), BME280/BME680 support, deep-sleep optimizations and measured >12 months runtime on typical cells.

schematicpcbbomledcapacitorresistorESP32
MIT00Jun 28, 2026
advent-calendar-of-circuits-2020
@gregdavill

1 circuit board design a day for 31 days.

schematicpcbbomcapacitorresistorinductorbattery
CERN-OHL-P-2.000Jun 28, 2026
stm32-plc
@danielmartensson

STM32 microcontroller with lots of periferials such as ADC, differential ADC, Input Capture, PWM, USB, Encoder, DAC, Digital Input, RTC, CAN-bus + Alarm etc.

schematicpcbbomICconnectorUSBdiode
MIT00Jun 28, 2026
yellow
@nabucasa

Home Assistant Yellow - hardware for Home Assistant which grows with your needs.

schematicpcbbomresistorcapacitorinductorcrystal
CERN-OHL-W-2.000Jun 28, 2026
puffer
@dubento

Split Ergo Mechanical Keyboard

schematicpcbbombatterydiodenice-nanonice-view
CERN-OHL-P-2.000Jun 28, 2026
dual-button-doorbell
@espena

ESP32 driven, WiFi-enabled dual-button doorbell with custom audio signals and real-time red/green indicators.

schematicpcbbomresistorcapacitorfuseIC
GPL-3.000Jun 28, 2026
tk44
@ladniy

TK44 - is a wireless unibody 40% keyboard

schematicpcbbomresistordiodetransistorconnector
CERN-OHL-P-2.000Jun 28, 2026

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