2 layers53.3 × 40.5 mm
64pin
microphonon/acoustic-leak-detector
AquaPing is a battery powered, stand-off, acoustic leak detector
55 parts55CC0-1.0
Low power
31 boardsKiCad boards from 22 GitHub repositories tagged “low-power”, the most starred first; open any of them in PCBKit.
- 2 layers47.2 × 55.5 mm
Tinta l2
c0de111/tinta
Battery-powered e-paper sign: room signage, sensor graphs, home automation, or anything over Wi-Fi. Wakes by real-time clock, NFC tap, or button. Raspberry Pi Pico W firmware, custom PCB, and 3D-printed case included.
60 parts39Apache-2.0 - 2 layers53 × 45 mm
XIAO nRF54L15 V1
hmd83/tanen
LoRaWAN beehive monitor: hive weight, temperature and battery over TTN. Seeed XIAO nRF54LM20A + SX1262, Zephyr/nRF Connect SDK. ~4 uA sleep, ~10 year life on 3X AAA cell.
19 parts17Apache-2.0 - 2 layers38.6 × 72.1 mm
- 2 layers105 × 65 mm
MoleNet V5.2.2
ComNets-Bremen/MoleNet
MoleNet: A Wireless Underground Sensor Network platform
71 parts13GPL-3.0 - 4 layers35.4 × 21.6 mm
ESP32-C3-V4
Ans1S/esp32-c3-iot-sensor-board
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…
57 parts6MIT - 2 layers58.4 × 64.8 mm
Project embeddedSystemDesign2
Fescron/Project-LabEmbeddedDesign2
Project-LabEmbeddedDesign2
41 parts3GPL-3.0 - 2 layers25.2 × 59.4 mm
- 4 layers45 × 35 mm
ATLASTAG
riteshbonthalakoti/ATLASTAG
AtlasTag. A compact, low-power, globally connected asset-tracking platform designed around GNSS, cellular IoT, motion sensing, adaptive power management, and a companion mobile application.
30 parts3 - 2 layers68.8 × 68.1 mm
SmartSensor
AvansETI/SmartSensor
SmartSensor: a sensor to be used as sensor and actuator within existing buildings.
68 parts2GPL-3.0 - 2 layers15.7 × 15.7 mm
Me2188c slim
galopago/me2188c-slim
Small step-up module based on the ME2188 chip, designed specifically for low-power 3.3V embedded systems. It allows you to boost the voltage from a single 1.5V battery to 3.3V, enabling you to power your projects…
8 parts2 - 2 layers48 × 33 mm
TemperatureHumidityEPD
kevinkessler/TemperatureHumidityEPD-PCB
PCB Kicad Files for my Temperature/Humidity EPaper Display
25 parts2GPL-3.0 - 4 layers60 × 33.5 mm
Home weather station esp32
Norbixix/home-weather-station-esp32
ESP32-based low-power home weather station PCB project
49 parts2 - 2 layers20 × 20 mm
B TH09C Brk-01Mbr R01
Boardoza/Boardoza_TH09C_Temperature_Humidity_Sensor_Breakout_Board
TH09C Digital Temperature and Humidity Sensor Breakout Board for Accurate Environmental Monitoring via I2C Interface.
16 parts1CC-BY-SA-4.0 - 2 layers75.4 × 23.7 mm
- 2 layers78.8 × 63 mm
Lynx-30-Camera Trap
Engr-umer-mohammed/Lynx-30-Camera-Trap
Low-power long-range wireless camera trap designed using KiCad and Simulink.
37 parts1MIT - 2 layers32 × 11 mm
B CMT2210LH BRK R1.0
Boardoza/Boardoza_CMT2210LH_RF_Receiver_Breakout_Board
Low-power 433 MHz OOK RF receiver module designed for wireless DIY projects.
11 partsCC-BY-SA-4.0 - 2 layers20 × 20 mm
B MDBT42TV AT BRK R1.0
Boardoza/Boardoza_MDBT42TV_AT_Bluetooth_5_1_Module_Breakout_Board
Compact Bluetooth 5.1 UART module breakout board using Raytac MDBT42TV-AT for low-power wireless data communication in embedded systems.
15 partsCC-BY-SA-4.0 - 2 layers60 × 80 mm
Urine monitor
lzbgt/lora-weight-device
LoRaWAN hospital monitoring device concept with paid embedded IoT bring-up review support
29 parts - 4 layers55 × 32 mm
Canfd mc
Prinsessen/canfd-mc-hardware
CANFD-MC: a 55 x 32 mm, 4-layer CAN board for a motorcycle (KiCad, JLCPCB-ready) - ESP32-S3 + MCP2518FD CAN FD + TCAN332G, 6-40 V load-dump-proof input, ~10 uA standby on the battery.
51 partsMIT - 2 layers30.5 × 125 mm
Tiny plant sensor
sini6a/tiny-plant-sensor
The Tiny Plant Sensor 🌱 is a low-power sensor designed around the Attiny85 microcontroller and powered by a CR2032 coin cell battery.
6 parts - 2 layers
ATTINY13A AlarmDevice
TechnikWeber/ATTINY13A-fake-alarm-device
A fake alarm light (blinking LED) with an ultra-low-power ATtiny13A running on a CR2032 coin cell.
8 partsMIT - 2 layers47.2 × 55.5 mm
Inki
c0de111/tinta
Battery-powered e-paper sign: room signage, sensor graphs, home automation, or anything over Wi-Fi. Wakes by real-time clock, NFC tap, or button. Raspberry Pi Pico W firmware, custom PCB, and 3D-printed case included.
54 parts39Apache-2.0 - 2 layers81.6 × 75.4 mm
MoleNet v5.01
ComNets-Bremen/MoleNet
MoleNet: A Wireless Underground Sensor Network platform
60 parts13GPL-3.0