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🛠️ Free DIY projects

Step-by-step DIY guides with bills of materials and source code: sensor night light, WiFi temperature station, wooden shelf.

All (22)🖼️ Images & wallpapers (4)🧊 3D models (3)📄 Document templates (3)🧭 Sample solutions (3)🛠️ DIY (3)🧩 Software templates (3)🌐 Website templates (3)

3 templates

FreeINO

Night light that turns on when someone is present (Arduino)

DIY 5V LED night light that turns on when someone walks by in the dark: Arduino Nano, PIR sensor, photoresistor. Free source code included.

🛠️ DIY

FreeINO

WiFi temperature – humidity station (ESP32)

Build your own temperature and humidity station with ESP32 and DHT22 and view readings on your phone over WiFi. Step-by-step guide, free source code.

🛠️ DIY

FreeCSV

3-tier wall-mounted wooden bookshelf

Build a 3-tier 800×600 mm wall-mounted wooden bookshelf: cut list, tools, step-by-step assembly and secure mounting. Free CSV download.

🛠️ DIY

All templates are created by OctaX.vn and released under the CC BY 4.0 license: free to use, including for commercial purposes, as long as you credit “OctaX.vn”. Proposed licensing policy to be finalized before launch.