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Duotone terrace — saffron brief on the left, garden-folded ledger on the right.
Operating voltage: 5 V
etc are not included
Anti-vibration
this Pi is about four times faster that the original Raspberry Pi and is only a fraction of the cost of the current RPi3
Communication interface support of the bluetooth module
5V Buzzer (Pack of 2) 130 motor Operating voltage: 5 VPiezo buzzers are used for making beeps, tones and alerts. This one is petite but loud! Drive it with 3 5V peak to peak square wave. To use, connect one pin to ground (either one) and the other pin to a square wave out from a timer or microcontroller. For the loudest tones, stay around 4 KHz, but works quite well from 2KHz to 10KHz. For extra loudness, you can connect both pins to a microcontroller and swap which pin is high or low ('differential