Hardware projects tagged plc

Open hardware projects tagged plc on BoardRepo. View schematics and PCBs in the browser and download the sources.

Projects

11 boards
PLC4UNI
@paulmartinezcuenta

Development of programmable logic controller, product for mechatronic design.

schematicpcbbomESP32switchregulatorrelay
No license0 stars0 commentsOct 1, 2026
CIMPLC-Hardware
@jtmaston

Hardware design of the CIMPLC

schematicpcbbomESP32PICresistorcapacitor
No license0 stars0 commentsOct 1, 2026
OM-16LED
@openmodbus

A compact industrial-grade 16-channel Modbus RTU LED driver.

schematicpcbbomSTM32resistorcapacitordiode
No license3 stars0 commentsSep 30, 2026
plc_controller_mega32l_pcb_scheme
@dmogn

PLC controller hardware PCB scheme. ATMega32L, RS485 industrial bus interface, 8 ADC inputs, 8 PWM out, 6 GPIO

pcbbom
No license7 stars0 commentsSep 30, 2026
OM-64DO
@openmodbus

A compact industrial-grade 64-channel Modbus RTU output module.

schematicpcbbomSTM32resistorcapacitordiode
No license20 stars0 commentsSep 30, 2026
ulticore-v1-plc
@paulmartinezcuenta

Custom industrial-grade PLC and logic controller engineered around the ESP32 platform.

schematicpcbbomESP32USB-Cregulatorrelay
MIT1 star0 commentsSep 17, 2026
azure-sphere-home-process-controller
@tai-min

Industrial like PID coontroller with IoT functionality. Grand Prize winner in Home Is Where the Hack Is Challenge, with Avnet Azure Sphere

pcbbom
MIT5 stars0 commentsSep 5, 2026
cog1
@diegodemarco

cog1 is an open-source industrial IoT gateway (hardware and software) built as a motherboard hosting an Orange Pi Zero 3 Linux SBC.

schematicpcbbombatteryswitchcrystalpotentiometer
MIT6 stars0 commentsJul 9, 2026
picoindustrial
@feecat

Industrial Control Module Based on RPI PICO

schematicpcbbomRP2040USBregulatorrelay
GPL-3.014 stars0 commentsJul 9, 2026
plc-14500
@nicolacimmino

Retro trainer board based on the MC14500 1-bit ICU. The project is OSHW certified and a ready to assemble kit is available on Tindie.

schematicpcbbomswitchpotentiometerresistorcapacitor
GPL-3.063 stars0 commentsJul 9, 2026
foccci
@uhi22

Fully Open CCS Charge Controller Interface with QCA7005 PLC modem

schematicpcbbomSTM32regulatorcrystalresistor
Apache-2.0106 stars0 commentsJul 9, 2026

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