Why the GS130W Features Make It Unsuitable for RTAB-Map 1. RAW Stereo Camera Data Characteristics Note: This is my personal conclusion based on extensive trial and error, as I couldn’t find an...

Overview When using the RDK X5 and GS130W, monitoring showed that BPU usage hovered close to 100%, accompanied by severe heat generation. Although it uses a heatsink case, back in early September w...

Motivation for Purchase I had been using a custom-built HAT on my Raspberry Pi 4B (4GB) for autonomous driving vehicles, and it served me well over time. LiDAR-based SLAM worked without major issu...

Overview I used a 1.69-inch IPS Display (ST7789) as a telemetry UI. On Raspberry Pi, font and text size were not a major issue. However, when using it in the ESP-IDF environment with the Adafruit-G...

Introduction During the development of my Raspberry Pi based autonomous robot platform, I found that most commercially available robot HATs consumed nearly all of the Raspberry Pi 40-pin GPIO heade...

Introduction: Shifting from ESP32 to Raspberry Pi Recently, I designed a micro-ROS PCB based on the ESP32. Around the same time, I also developed one for the Raspberry Pi. The ESP32-based project d...

If you are developing with custom or low-cost STM32F103 (e.g., STM32F103RCT6) boards, you might encounter a frustrating Windows 11 error: “Unknown USB Device (Device Descriptor Request Failed)” whe...

1. Motivation: The Sweet Prototyping Days with Breadboards, and the Inevitable Betrayal In the early stages of robot development, breadboards and jumper wires feel like an absolute blessing. They ...

Custom 18650 Battery Holder for My Autonomous Vehicle Project When working with 18650 batteries, I realized that length variations caused by protection circuits make off-the-shelf holders unreliab...

🛠️ First Project with Bambu Lab A1 mini: ESP32-S3 + Breadboard CAD Modeling 1. Why I Bought the A1 mini My motivation for purchasing the Bambu Lab A1 mini was to work on an autonomous driving car ...