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The Arduino Uno is the most common of the Arduino boards. It is based on the ATmega328P microcontroller.

1 vote

PYM-1 PIR sensor current concerns

When I look at the PYM-1 seen here: http://www.ebay.com/itm/Infrared-PIR-Human-Sensor-NEW-Arrival-Pyroelectric-DIY-Kit-PYM-1-for-Arduino-/271677900953 I don't see any need for an external microproce …
Kolban's user avatar
  • 286
1 vote

How to Communicate between arduinos wirelessly?

As has been mentioned in the comments, you have at least three possible solutions: Wifi using the ESP8266 Private protocol using the nRF24 Bluetooth using the HC-05 All of these will handle 20 fee …
Kolban's user avatar
  • 286