In the microcontroller era today, Arduino is more than just a tool ... is used to measure the light level. The alarm system is triggered when a “Logic High (H)” level signal is detected at its sensor ...

The code is an Arduino project for the Digispark Attiny85 to turn on ... the hardware setup is extremely simple and straightforward. The output of the PIR motion detector module (PIR) is routed to P0 ...

The PIR Motion Sensor on the left is made by Parallax ... 10K Resistor connects to PIR Pin “Alarm” PIR Pin “Alarm” connects to Arduino Digital 2 The code for the active low Sparkfun ...

By placing a unit equipped with an ADXL345, an accelerometer for detecting motion, or a Piezo ... and you can link these to ...

Halloween is right around the corner and just about every Halloween project needs some kind of motion sensor. Historically ... was borrowed from [Eloquent Arduino]. The algorithm is pretty ...

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The first trick, shown in the video above, is an Arduino-powered squirt bottle that also uses a motion detector to fire rapidly every time there's some motion in front of it. If you're trying to ...

Like the Arduino and Raspberry Pi before it ... take a look at this stupendously simple Internet-connected motion detector that [Eric William] has come up with. With just a Wemos D1 Mini, a ...

It’s a fairly simple project, too: just hook an Arduino Uno up to a motion sensor and an electronic switch called a relay, then plug in your fan, and you’re good to go. If that sounds ...