Programming
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 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 […]
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 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 […]
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 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 […]
Trying Out Ollama Part 5 (Multimodal Processing of Images and Text with llama3.2-vision)
Introduction In this post, I tried multimodal processing of images and text using llama3.2-vision with Ollama. […]
Embedding Node-RED into Applications Part 2 (Installing per Folder)
Introduction In this post, I experimented with installing and isolating Node-RED environments into separate fo […]
Trying Out YDLIDAR X4 Pro Part 2 (Mini PC, Operation Check on Linux)
Introduction In this post, I performed an operation check of the YDLIDAR X4 Pro in a Linux environment. My pre […]
Trying Out YDLIDAR X4 Pro Part 1 (Windows, Operation Check with GUI App)
Introduction I recently purchased a LiDAR sensor and decided to perform an operation check.LiDAR sensors are m […]
Attaching a Camera to a Robotic Arm and Checking the Video Feed (YOLO)
Introduction A while back, I tried attaching a camera to the robotic arm I purchased on Amazon and set up for […]
Searching with Python and Summarizing with a Local LLM (Ollama, Node-RED)
Introduction In this post, I experimented with a Python-based search program to automate information gathering […]
Trying Out Ollama Part 4 (Conversations Between LLMs, Gemma3:4B, Python, Node-RED)
Introduction In this post, I tried using Ollama to facilitate a conversation between two local LLMs.In a previ […]
Trying Out Jetson Nano (Peripherals and Remote Desktop Connection)
Introduction I got my hands on a Jetson Nano a while ago, so this time I’m preparing it for robot development. […]
Trying Out Faster Whisper (Running on GPU, Python, and Node-RED)
Introduction In this post, I tried performing transcription using Faster Whisper.I had tried it before because […]
Trying Out Embedding Node-RED into Applications Part 1 (Electron, Express)
Introduction In this post, I tried embedding Node-RED into an application I am creating with Electron.I follow […]
Trying Out Collecting Papers with Python Part 1 (arXiv, Node-RED)
Introduction In this post, I tried collecting research papers with Python using the arXiv API.I usually use Go […]
Trying Out Gymnasium Part 1 (Environment Setup, Running Sample Code)
Introduction In this post, I tried out a software called Gymnasium, which is used for reinforcement learning.I […]
Translating Text with Python (Googletrans, Node-RED)
Introduction In this post, I tried out translation using Googletrans in Python.Although I haven't written abou […]
Trying Out MuJoCo Part 2 (Unitree MuJoCo)
Introduction In this post, I tried out the Unitree MuJoCo sample.Recently, I’ve been seeing Unitree-related ro […]
Trying Out MuJoCo Part 1 (Environment Setup and Running Sample Programs)
Introduction In this post, I tried out a software called MuJoCo, which can perform physics simulations.I disco […]