2 layers36 × 58 mm
Ups adaptor
aronreid/ups-to-esp32
Put a USB-only UPS on the network: an ESP32-S3 board and firmware that serves NUT on TCP 3493, with a web UI. No host computer, no Raspberry Pi.
38 parts130GPL-3.0
Power management
35 boardsKiCad boards from 13 GitHub repositories tagged “power-management”, the most starred first; open any of them in PCBKit.
- 4 layers60 × 100 mm
- 2 layers22.1 × 20.3 mm
Latch Rasp
aresta/Rasp_latch_button
Mini HAT with a Push Button to Power the Raspberry Pi On and Off Safely, After the Shutdown Sequence Completes
20 parts10 - 2 layers50 × 61 mm
ENP KIT-232-485-CAN
Enapter/ucm-kit-open-hardware
Enapter UCM Kit – open hardware for connecting your energy devices.
32 parts4 - 2 layers25.4 × 14 mm
- 2 layers30 × 11 mm
SmartGlasses PowerBoard
the-abra/ultra-compact-pmic-bq24074
A professional-grade Power Management Unit (PMU) designed for smart glasses. Optimized for minimal footprint and high efficiency using the BQ24074 PMIC.
14 parts1 - 2 layers20.5 × 19 mm
Nwpi
elektricM/nwpi-pcb
NWPi custom PCB - Power module for Raspberry Pi Zero inside NumWorks calculator
18 partsCERN-OHL-S-2.0 - 40 × 85 mm
SolarPoints
Grolla05/Project_SolarPoints
An autonomous IoT solar-powered smart lighting system for low-infrastructure areas, featuring KiCad PCB design, ESP32 firmware, and Google Maps telemetry dashboard. 🌐⚡🏮
102 parts - 2 layers68.8 × 33.9 mm
Energy harvester
Rahul-2-specs/Wearable-Foot-Motion-Energy-Harvester
Wearable piezoelectric energy harvesting system that converts foot motion into electrical energy for low-power wearable and biomedical applications.
14 partsMIT - 4 layers100 × 80 mm
AuraForge-50X
RaviKachhwaha/AuraForge-50X
A 4-layer programmable PCB board audio platform featuring an ESP32 DSP core, 50Hz Wi-Fi CSI radar, 2x50W TPA3116D2 Class-D amp, hybrid dual-rail power (10A TPS61088 3.7V-to-12V boost & 12–21V DC jack), 3A USB-C fast…
83 parts - 2 layers8.2 × 9.9 mm
SBK RP1
sbarabe/SBK_RP1
Open-source reverse polarity protection module for learning and embedded electronics projects.
5 partsCERN-OHL-P-2.0 - 2 layers15.7 × 11.1 mm
SBK SP1
sbarabe/SBK_SP1
Open-source soft power switch module for learning and embedded electronics projects.
13 partsCERN-OHL-P-2.0 - 2 layers134.7 × 91.9 mm
TrailCurrentTorrent
trailcurrentoss/TrailCurrentTorrent
CAN bus controlled power distribution module for vehicle electrical circuits
68 partsMIT - 2 layers45 × 30 mm
- 4 layers70 × 70 mm
- 4 layers70 × 70 mm
- 4 layers40 × 40 mm
- 4 layers40 × 60 mm
- 2 layers35 × 34.4 mm
- 4 layers50 × 50 mm
- 2 layers35 × 36.8 mm
- 4 layers50 × 55 mm
- 4 layers50 × 55 mm
- 4 layers40 × 40 mm
