I used an LCD shield to display the current temperature and speed of the fan, but you can use the circuit without the LCD display. You also need to select the transistor by the type of fan that you ...

Arduino boards can feel quite overwhelming at first because you're faced with the decision of which one to buy.

Because of the affordability and seeming ubiquity of the Arduino platform, they have been hard at work this last month trying to get their Geiger counter sensor board for an Arduino out the door.

I've just come across a no-name non-contact, high-precision 80 GHz mmWave radar sensor for liquid level detection with a 40m ...

Now, with this tiny board, you can bring heat vision into any of your Arduino/Raspberry Pi DIY projects. At $350, it’s one of the more expensive Arduino accessories you can buy.