2 layers67 × 28 mm
RS485
55 boardsKiCad boards from 29 GitHub repositories tagged “rs485”, the most starred first; open any of them in PCBKit.
- 2 layers100 × 149.5 mm
Rs485-moist sensor pannel
Miceuz/rs485-moist-sensor
Digital (RS485 - based) soil moisture and temperature sensor
170 parts74Apache-2.0 - 2 layers63 × 46 mm
Pi485
bvarner/pi485
An open-source TTL UART <-> RS485 converter, intended for a Raspberry Pi or Arduino
31 parts41MIT - 4 layers100 × 75 mm
OpenAirScope
emertcakir/OpenAirScope
Open-source air quality and environmental monitoring node with STM32H743 + ESP32-C3, LoRaWAN, RS485, USB-C, Li-ion charging, and multi-sensor support.
282 parts26MIT - 2 layers33.3 × 6.3 mm
Stm8s001rs485
TG9541/stm8s001rs485
A narrow KiCad made PCB with STM8S001J3, RS485 driver and DS1621S Thermometer, e.g., for STM8EF-MODBUS
21 parts20MIT - 2 layers98.9 × 91.4 mm
Coin Cell Tester
tomrodinger/servomotor
Open-source NEMA-17 integrated servomotor (motor + closed-loop driver + controller + encoder). RS-485, Python/Arduino libraries, MCP server for AI control. Hardware, firmware and software.
204 parts17MIT - 2 layers16.9 × 14.4 mm
Rs485-ch340e
TG9541/rs485-ch340e
A small CH340E based configurable RS485 or TTL 2/3-wire USB dongle
17 parts15MIT - 2 layers30.7 × 34.3 mm
ModbusRtuSensorHub
MichielVanwelsenaere/HomeAutomation.ModbusRtuSensorHub
PCB with small footprint designed to act as a Modbus RTU slave.
23 parts7MIT - 2 layers92 × 51 mm
Rs485-spy injector
rmingon/rs485-spy-injector
RS485 Spy is an open-source hardware tool for real-time monitoring, logging, and testing of RS-485 networks
44 parts7CERN-OHL-S-2.0 - 2 layers22 × 54.5 mm
- 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 layers180 × 131.1 mm
CCController
RainbowLabsDE/LightInstallationController
PCB and Firmware of our first universal RGB light installation controller.
92 parts4MIT - 2 layers66.6 × 41.3 mm
UPIC46
emertcakir/uPIC46
PIC18F46K22-based versatile development board with CAN, RS-485, EEPROM, RTC, and user LEDs
111 parts2MIT - 2 layers35 × 52 mm
Lsw5-esp32
mwdmwd/lsw5-esp32
ESP32-based replacement PCB for the Deye/Sofar/Igen/Solarman/... LSW-5 Stick Logger with RS-485
36 parts2 - 2 layers40 × 70 mm
KinetiCoreDC
axpaul/KinetiCoreDC
Compact STM32G0-based DC motor controller board featuring TI DRV8874 H-bridge drivers, RS485 communication, optoisolated I/O, and hardware power protection.
183 parts1CERN-OHL-S-2.0 - 2 layers24 × 27.9 mm
- 2 layers34.5 × 26.4 mm
- 2 layers90 × 70 mm
STM32 Industrial Edge Gateway v0.2.0
An4s0/STM32-Industrial-Edge-Gateway
Embedded industrial edge gateway for environmental monitoring. Features Modbus RTU over RS485, real-time US EPA AQI computation, FatFs microSD CSV logging, and an embedded lwIP Ethernet web dashboard.
90 parts - 2 layers100 × 80 mm
Torqeedo pcb
antoinem01/torqeedo_motor
Arduino sketch to control a Torqeedo electric outboard motor over RS485, with speed control and safety switches
43 partsGPL-3.0 - 4 layers99.5 × 92.3 mm
Brain board
Batterhead221/brain_board
Custom STM32H753 brain board with USB-C power/input selection, 3.3V buck regulation, microSD, CAN, RS-485, FRAM, flash, debug/programming access, and expansion connectors.
131 partsMIT - 2 layers340 × 100 mm
Queue Local Display ATmega328PB
ByNS-KARACA/Queue-Local-Display-ATmega328PB
Queue Local Display – ATmega328PB
206 parts - 2 layers100.3 × 61.6 mm
- 4 layers90 × 66 mm
Iron node
enkhbold470/iron-node
ESP32-S3 industrial gateway: W5500 Ethernet, isolated RS-485 (ADM2587E), CAN, 9-36 V input. 4-layer KiCad 10 board.
83 partsCERN-OHL-S-2.0 - 2 layers67.3 × 85.7 mm
