PIR Motion Sensor (JST) Shipping:2-4 Weeks Piezo buzzer for playing simple

Piezo buzzer for playing simple sounds and music

you can even develop your code without having to swap cables

Preloaded with Arduino-compatible bootloader (no external programmer required)

The Si4703 even does a very good job of filtering and carrier detection

Please check our hookup guide for more information

PIR Motion Sensor (JST) Shipping:2-4 Weeks Piezo buzzer for playing simpleThis is a simple to use motion sensor. Power it up and wait 1 2 seconds for the sensor to get a snapshot of the still room. If anything moves after that period, the \'alarm\' pin will go low. This unit works great from 5 to 12V (datasheet shows 12V). You can also install a jumper wire past the 5V regulator on board to make this unit work at 3. 3V. Sensor uses 1. 6mA@3. 3V. The alarm pin is an [open collector](http: en. wikipedia. org wiki