A list of resources, projects and products useful for robot electronics

If you have additions, please open an issue or pull request.

Open Source Modules & Subsystem

VESC - Brushless DC Motor controller
Cheap FOCer 2 - Low-cost VESC 6-based Brushless DC Motor Controller
OpenBLDC - Open-BLDC stands for Open Source Brush Less DC Motor Controller.
HighPower-Mechaduino - Closed Loop Stepper Servo (50V@10A)
motor-control-board - CVRA DC-Motor Driver, using STM32F3, supports CAN Bus and was designed using KiCAD
MotCtrl - A BLDC motor controller
OtterControl - OtterControl BLDC motor controller
stmbl - High-Voltage AC Servo Driver
RCA's µMotor - control any BLDC and DC motor up to 250W
Brushless DC motor controller board - Dan Strother's STM32f103 based BLDC controller Board
Closed Loop Motor Controller - Step/Dir input for CNC use. Based on PSoC4.
DC Servomotor Controller - DC-Motor driver build around an AVR.
STM_MotorController - Of Robot Design and Control Lab @ CIT
ODrive & ODriveROS2 - High performance motor control (later versions /wo open HW)
Near Zero - Open Hardware, Arduino-based, dual-motor
Simple FOC variety of boards available
rp2040-motor-controller - Based on RP2040 chip
Dagor - ESP32-based brushless controller that has an on-board magnetic encoder
Betzdrive - BLDC Controler for ditributed multi-axis Systems (see also Blue)

Mechaduino - Closed Loop Stepper Servo
OpenTorque Actuator - Joint for legged robots
3D Printed Robot Actuator - Motorcontroller + BLDC + cycloidal gearbox and position feedback
DirectServo - Robotic joint controller with BLDC driver and magnetic encoder.
Moteus - Joint Controller and quadruped robot design
ServoProject - A RC-Servo retrofit (new electronics, sensors and firmware)

DieBieMS - DieBieMS (3-12S LiIon-based, 100A)
LibreSolar Project - with different sized BMS BMS Li-Ion 5S, BMS Li-Ion 48V
Ceech's BMS - Arduino-based 5S BMS (BQ76920)
Battman BMS - Li-Ion BMS (LTC6803)
ENNOID - BMS FW GUI - Modular BMS based on LTC68XX & STM32 MCU for up to 400V EV battery pack
foxBMS (Github) - Modular BMS (many chemistries, many cells) foxbms.org
Green BMS - Modular BMS, for many chemistries

LOA - Loa is a framework designed to build specialized IO subsystems.
Snickerdoodle - Snickerdoodle is a Zynq based System-on-Module
Logi-Bone - FPGA & Beaglebone, also some VHDL modules relevant to robotics available
flink - Universal interface to FPGA's. Includes some IP-Cores for robotics.

SAB - Sensor Actuator Bus (SAB), also in modm.io
OpenCyphal - (formerly UAVCAN) Protocol on top of CAN Bus, suited for robotics and aerospace control applications
UC4H: UAVCAN for Hobbyists (on GitHub) - UAVCAN applied to a multirotor plattform.
LUOS Library that can be used on any MCU, leading to free and fast multi-electronic-boards products development.
Simple Robot - RPI4 & EtherCAT
Lely CANopen - Open Source CANopen Stack
CANopenNode - Another Open Source CANopen Stack
CANopen driver framework for ROS - CANOpen ROS bridge
KaCanOpen - an easy-to-use CANopen stack for ROS

Reachy humanoid robot, remote teleoperation using virtual reality.
MORPH on GitHub - Modular platform for open robotics development. Supports ROS and uses VESC.
Evezor - Evezor is an open source SCARA class robotic manufacturing platform
Octanis Rover - Octanis Rover Projects Electronics
OAP - Open Automaton Project (Source Repo inactive since 2008)
Linorobot - A suite of Open Source ROS compatible robots GIT
Bobble-Bot - Demo robot for real-time control using Rpi, RT Linux, and ROS.
StanfordDoggoProject - 8-DoF quadruped robot
Pulurobots - Open Source mobile service robot
Open Dynamic Robot Initiative - 8/12-Dof Walker, fast multi-axis force control, bldc-drivers
SCUTTLE - Mobile robot platform, uses RPI, OpenCV and lidar.
Hoverboard + ROS - Provides ROS support for modified hoverboard, to provide a differential drive plattform. Uses this modified firmware.
Hello Robot - Mobile robot mit manipulation capabilities, also: Github.
nanosaur - 🦕 nanosaur is a little tracked robot ROS2 enabled, made for an NVIDIA Jetson Nano