Building a 5-Axis Robot Arm Part 1 (CatchRobo 2025, Component Selection, and Prototyping)
Introduction Every year around September, there is a robot competition called the "CatchRobo Battle Contest," […]
Image Recognition via Python Part 2 (NDLOCR)
Introduction In this post, I experimented with text recognition in images using NDLOCR. I discovered NDLOCR th […]
Image Recognition via Python Part 1 (EasyOCR and Node-RED)
Introduction In this post, I experimented with text recognition in images using EasyOCR.There are various OCR […]
Trying Out Raspberry Pi Zero 2 Part 3 (1.3-inch LCD HAT and Close-up Photography)
Introduction In response to a request, I tried displaying camera footage on a Waveshare 1.3-inch LCD HAT compa […]
Trying Out Unreal Engine 5 Part 12 (Screenshot)
Introduction In this post, I experimented with taking screenshots in Unreal Engine 5 (UE5).I am thinking of us […]
Trying Out ROS2 Part 1 (Environment Setup on Windows)
Introduction In this post, I will be setting up the ROS2 environment. I have tried this several times in the p […]
Trying Out Raspberry Pi Zero 2 Part 2 (Camera, Thonny, and Node-RED)
Introduction In this post, I attached a camera to the Raspberry Pi Zero 2. I remember struggling with this in […]
Trying Out Raspberry Pi Zero 2 Part 1 (Xfce, Vivaldi, and Node-RED)
Introduction In this post, I tried using the Raspberry Pi Zero 2. I picked one up at Maker Faire Tokyo 2023, w […]
Trying Out XIAO ESP32C3 Part 7 (RTC and Fetching Network Time)
Introduction In this post, I experimented with using an RTC (Real-Time Clock) and a network connection to keep […]
Trying Out Unreal Engine 5 Part 11 (Pixel Streaming)
Introduction In this post, I tried streaming a game screen using the Pixel Streaming plugin for Unreal Engine […]
Presented at Node-RED Con Nagoya 2025!
Introduction In this post, I’d like to look back at "Node-RED Con Nagoya 2025," which took place on October 17 […]
Trying Out ngrok (OAuth, GitHub, and Node-RED)
Introduction In this post, I tried using ngrok. It allows you to expose a server running on your local machine […]
Trying Out Accelerometers Part 2 (MPU6050 & Node-RED MCU)
Introduction In the previous post, I used an ESP32 and the MPU6050 accelerometer with code written in the Ardu […]
Trying Out Accelerometers Part 1 (MPU6050, ESP32, and Dual-Core)
Introduction In this post, I experimented with the MPU6050 accelerometer. This sensor was included in the star […]
Trying Out LM Studio Part 1 (Installation & Chatting with Local LLMs)
Introduction In this post, I tried out LM Studio, a platform that allows you to run LLMs (Large Language Model […]
Trying Out Unreal Engine 5 Part 10 (Scaniverse & Importing Point Cloud Data)
Introduction In this post, I tried importing 3D scan data created with the "Scaniverse" app on an iPhone 15 Pr […]
Trying Out Node-RED Part 2 (Google Forms & Google Sheets)
Introduction In this post, I integrated Node-RED with Google Forms and Google Sheets. The workflow involves li […]
Developing Nodes for Node-RED Part 4 (dualshock4 Node)
Introduction In this post, I developed the "dualshock4" node, which enables communication between Node-RED and […]
Creating Nodes for Node-RED MCU Part 3 (Serial Node)
Introduction In this post, I created a Serial node for Node-RED MCU. While the debugger tool already uses seri […]
Trying Out Distance Sensors Part 1 (VL53L0X)
Introduction In this post, I experimented with the VL53L0X distance sensor. This sensor is also used in "RumiC […]
Communicating with DUALSHOCK 4 via Python (Node-RED)
Introduction In this post, I tried communicating with a PS4 controller (DUALSHOCK 4) using Python. By using th […]
A Little Research: ESP32C3 and Bluetooth Standards
Introduction On this website, I frequently summarize how to connect an ESP32 with a PS4 controller (DUALSHOCK […]
Trying Out XIAO ESP32C3 Part 6 (Communication with DUALSHOCK 4 using Node-RED)
Introduction In this post, I tried operating a small robot equipped with a XIAO ESP32C3 using a DUALSHOCK 4 co […]
Trying Out XIAO ESP32C3 Part 5 (Bluefruit Connect, BLE Communication with iPhone)
Introduction In this post, I experimented with BLE (Bluetooth Low Energy) communication between the XIAO ESP32 […]
Trying Out XIAO ESP32C3 Part 4 (WiFi Access Point and Two-Wheeled Robot)
Introduction In this post, I configured the XIAO ESP32C3 as a WiFi access point so that it can be operated dir […]
Trying Out XIAO ESP32C3 Part 3 (OLED Display and Continuous Rotation Servo)
Introduction In this post, I experimented with controlling an OLED display and a continuous rotation servo usi […]
Trying Out XIAO ESP32C3 Part 2 (analogWrite Function and Servo Motors)
Introduction In this post, I experimented with the analogWrite function and servo motor control using the XIAO […]
MQTT Communication with ESP32 (XIAO ESP32S3, Node-RED, HID Keyboard)
Introduction In this post, I tried using MQTT communication with the XIAO ESP32S3. I have used MQTT with Node- […]
Trying Out Ollama Part 7 (Communication via the Internet Using Tailscale)
Introduction In this post, I tried using Ollama via API and VPN connections. On the laptop I usually use, proc […]
Trying Out Ollama Part 6 (Combining Local LLM with Web Search Results using Node-RED)
Introduction In this post, I combined the Python-based web search functionality I tested previously with a loc […]