Robotics on Pi Stack

Self-Hosted BLDC Motor Controllers: ODrive vs VESC vs SimpleFOC for Open-Source Precision Motor Control

Sat, 06 Jun 2026 00:00:00 +0000

Brushless DC (BLDC) motors power everything from drone propellers to CNC spindles to robotic arms. But precision control requires sophisticated firmware that does more than just spin a motor — it needs Field-Oriented Control (FOC), sensor feedback loops, and configurable motion profiles. Three open-source platforms dominate the DIY motor control landscape: ODrive, VESC, and SimpleFOC. Each takes a distinctly different approach to the same problem.

Self-Hosted DDS Middleware for Real-Time Data Distribution: Cyclone DDS vs OpenDDS vs Fast-DDS

Fri, 05 Jun 2026 00:00:00 +0000

Introduction

When systems need to exchange data with microsecond latency — autonomous vehicles coordinating sensor fusion, industrial robots synchronizing motion control, spacecraft managing telemetry — traditional message brokers introduce unacceptable overhead. The Data Distribution Service (DDS) standard, maintained by the Object Management Group (OMG), provides a decentralized publish-subscribe protocol designed from the ground up for real-time, mission-critical data exchange without a central broker.

Self-Hosted Robotics Frameworks: ROS 2 vs Navigation2 vs MoveIt2

Fri, 05 Jun 2026 00:00:00 +0000

Introduction

The Robot Operating System 2 (ROS 2) has transformed how roboticists build, test, and deploy autonomous systems. Unlike its predecessor ROS 1, which was designed for academic research, ROS 2 is built for production — with real-time support, multi-robot coordination, and robust security. At its core, ROS 2 is a distributed middleware framework that lets you run robotic software components (nodes) across multiple machines — making it inherently suited for self-hosted deployment.