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J-Rat Techworks

Blog

  • 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?
Laptop in centre of image sitting ona wooden desk surrounded by various tools and electronic devices. Laptop displays text reading ESPHome with a code block underneath it.
  • Blog

What is ESPHome and Why It Makes DIY Smart Devices Easier

If you’re building DIY smart home projects with ESP32 boards,…

Read MoreWhat is ESPHome and Why It Makes DIY Smart Devices Easier
ESP32-C6 surrounded by components and wiring, top down
  • Blog

ESP32-C6: A Practical Guide for DIY Smart Home Projects

The ESP32-C6 is one of the newer members of the…

Read MoreESP32-C6: A Practical Guide for DIY Smart Home Projects
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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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