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,...
guides with product
Out of Stock
For years we've seen all sorts of microcontroller-friendly WiFi modules but none of them were really Adafruit-worthy. Either they were too slow, or too difficult to use, or...
guides with product
No Longer Stocked
Discontinued - you can grab the DHT20 - AHT20 Pin Module - I2C Temperature and Humidity...
No Longer Stocked
The DHT22 is a basic, low-cost digital temperature and humidity sensor. It uses a capacitive humidity sensor and a thermistor to measure the surrounding air and spits out a digital...
No Longer Stocked
Discontinued - you can grab AM2301B - Wired Enclosed AHT20 - Temperature and Humidity Sensor instead!The...
No Longer Stocked
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
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