Close up head of CdS light sensor showing sensor element
CdS cells are little light sensors. As the squiggly face is exposed to more light, the resistance goes down. When it's light, the resistance is about ~1KΩ, when dark it goes...
$0.95
In Stock
Angled shot of a Adafruit METRO 328 Fully Assembled
We sure love the ATmega328 here at Adafruit, and we use them a lot for our own projects. The processor has plenty of GPIO, Analog inputs, hardware UART SPI and I2C,...
$17.50
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Angled shot of half-size solderless breadboard with red and black power lines.
This is a cute, half-size breadboard with 400 tie points, good for small projects. It's 3.25" x 2.2" / 8.3cm x 5.5cm with a standard double-strip in the...
$4.95
In Stock