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Gen
18

Humble beginnings of a home automation project

arduino hacks, Home automation, ldr, milling, pcb, Relay Commenti disabilitati su Humble beginnings of a home automation project 

humble-beginnings-to-a-home-automation-project

This board is the start of [Steven Pearson's] quest to automate his home. The module will be used to prototype the rest of the project. Right now it uses an ATmega328 chip running the Arduino bootloader. This connects to one mechanical relay which we would wager is mains rated. The module will be controlled wirelessly via the wireless module seen in the foreground. That is a nRF24L01 board which he chose because of it’s bargain basement price tag of around $1.50.

There is much room for expansion in the system. You can see that a light-dependent resistor has been added to some of the microcontroller’s breakout pins. We would guess that [Steven] will use the hardware to develop for many different functions and will design more task-specific modules as the project progresses.

If you’re a fan of PCB milling and population you won’t want to miss the video after the break. [Steve] posted a fast-motion video of the entire process.


Filed under: arduino hacks


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