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J-Rat Techworks

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Wide 16:9 hero image showing a beginner DIY electronics starter kit neatly arranged. ESP32 board, breadboard, jumper wires, multimeter, soldering iron, basic components, hand tools, and storage box visible. Clean modern style, slightly top-down angle. Neutral background, realistic but not overly technical. Designed to clearly show essential items beginners would buy first. No text.
  • Blog

10 Electronics Starter Kit Essentials for Beginners

Getting into DIY electronics and maker projects is exciting… until…

Read More10 Electronics Starter Kit Essentials for Beginners
Home assistant logo surrounded by smart devices, blue background small
  • Blog

Home Assistant for Beginners: A Simple Getting Started Guide

If you’ve got a couple of smart bulbs, a plug…

Read MoreHome Assistant for Beginners: A Simple Getting Started Guide
  • Blog

mmWave Sensors: What They Are and How to Use Them with ESP32

If you’ve ever had lights turn off while you’re sitting…

Read MoremmWave Sensors: What They Are and How to Use Them with ESP32
ESP32 C3 variants sitting side by side, desktop screen with code in the background
  • Blog

ESP32-C3 Beginner’s Guide for Home Projects

The ESP32-C3 has quietly become one of the best choices…

Read MoreESP32-C3 Beginner’s Guide for Home Projects
ESP32 Development Board in deep sleep mode
  • Blog

ESP32 Deep Sleep Explained: How to Get Real Battery Life

If you’ve ever built a battery powered ESP32 sensor, you’ve…

Read MoreESP32 Deep Sleep Explained: How to Get Real Battery Life
  • Blog

How to Power DIY Outdoor Sensors: USB, Batteries or Solar?

When you build DIY outdoor sensors – tank level monitors,…

Read MoreHow to Power DIY Outdoor Sensors: USB, Batteries or Solar?
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J-Rat Techworks is my little home lab on the internet.
I build and share DIY electronics, ESP32 projects and home-automation ideas, with full code and build logs so you can copy or remix them.

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