2 layers17.4 × 12.6 mm
TC4056-Bypass
DoImant/TP4056-Power-Path-PCB
TP4056 Power Sharing PCB. Charge battery despite connected load.
8 parts52CC-BY-SA-4.0
Solar
23 boardsKiCad boards from 22 GitHub repositories tagged “solar”, the most starred first; open any of them in PCBKit.
- 2 layers127.3 × 54.1 mm
ESP32 SolarBox
cole8888/SRNE-Solar-Charge-Controller-Monitor
Read data from SRNE solar charge controllers.
34 parts42 - 2 layers25.4 × 25.4 mm
Solar esp32
fadushin/solar-esp32
Kicad sketches for solar charger for 3.2v LiFePo4 batteries
31 parts42 - 4 layers66.9 × 87 mm
MeshtasticNode BQ25185
h0lad/SolarMeshtasticNode
This is a Meshtastic Solar Node PCB based on the Heltec HT-CT62 and the linear solar charge controller TI BQ25185.
49 parts40CERN-OHL-S-2.0 - 2 layers60.5 × 100 mm
Opensolar
junglejim8/opensolar
Maximum Power Point Tracking Solar Charge Controller 100V input, 65amp
147 parts23 - 4 layers65 × 30 mm
Soleil
protolux-electronics/soleil_hardware
Hardware design files for Soleil, an open source power management and sleep control board for Raspberry Pi
81 parts22CERN-OHL-P-2.0 - 2 layers74 × 34 mm
EMS Bus Gateway
mariusgreuel/EMS-Bus-Gateway
EMS Bus Gateway for Buderus Boilers to run EMS-ESP32
48 parts21GPL-3.0 - 6 layers144.8 × 106.7 mm
- 4 layers51.6 × 60.6 mm
LoRaPowerBox
h0lad/LoRaPowerBox
The LoRaPowerBox combines the Heltec HT-CT62 module (ESP32C3 + Semtech SX1262) with a TI BQ25628E wide-range charger. Main target is IoT projects that deliver data over LoRa and/or Wifi utilizing solar power.
54 parts8CERN-OHL-S-2.0 - 2 layers110.5 × 90.8 mm
TeslaSMPS
devfabiosilva/TeslaSMPS
DIY: High Voltage Range Switching Mode Power Supply for Embedded and Solar systems
112 parts7Unlicense - 2 layers304.6 × 105.7 mm
MPPT Booster 4kW Hardware
HNadeemTahir/AI_Inverter_Project
NgSpice Digital Twin of a complete off-grid solar power system: H-Bridge inverter (220V/50Hz, PI control, electro-thermal IGBT modeling) and 4kW MPPT boost converter (UC3843 analog control, KCL summing node, gate drive…
115 parts5 - 2 layers81.2 × 71.6 mm
EveningStar
ciaassured/eveningstar-hardware
Hardware design for the Eveningstar ESP32-based Morningstar MeterBus interface.
153 parts4AGPL-3.0 - 2 layers34.8 × 80 mm
Powermeter loranode v1
makervan/powermeter-lorawan-connector
LoRaWAN node to send data from the GC90/GC91 DC power meters via TTN (Arduino Pro Mini, RFM95)
25 parts3 - 2 layers153 × 123 mm
- 2 layers48 × 48 mm
Metstat
MRtecno98/metstat
Autonomous, unattended, solar-powered, meshed network IoT weather probe
33 parts1 - 2 layers48.4 × 46.1 mm
Solstice
trailcurrentoss/TrailCurrentSolstice
Serial-to-CAN gateway for Victron MPPT solar charge controller data
17 parts1MIT - 4 layers96 × 70 mm
Tradewind
binaryBeachLLC/tradewind
Tradewind TW-1: solar LoRaWAN field sensor. KiCad 9 board, CadQuery enclosure, RUI3 firmware, simulations, test data, report and datasheet.
85 parts - 2 layers166 × 173 mm
- 2 layers144 × 80 mm
DCDCPCB
henrysg1/solar-car-dcdc
This repository contains the KiCAD project for the University of Nottingham's solar race car DCDC converter.
31 partsMIT - 2 layers99.9 × 46.5 mm
Solar USB Buck Converter
jiroegbu-eng/Solar_USB_Buck_Converter
KiCad PCB design for a 12–20V solar-input to 5V USB buck converter using LM2596S-ADJ.
11 parts - 6 layers56 × 85 mm
SunSproutHub
JohnNeville/SunSprout
An esp32-c5 powered board that adds dual source battery charging, fuel management, and differential i2c bus. This was largely developed to be a complement with my other soil sensor project.
142 partsCERN-OHL-S-2.0 - 2 layers55 × 33 mm
Goggabot
owalkhoff/Free_Sunshine
Promoting mechatronic art & sustainable energy in South Africa one g☼ggab☼t at a time
21 parts - 4 layers27.3 × 51.1 mm
SunSproutSatellite
JohnNeville/SunSprout
An esp32-c5 powered board that adds dual source battery charging, fuel management, and differential i2c bus. This was largely developed to be a complement with my other soil sensor project.
46 partsCERN-OHL-S-2.0