The latch is connected to a servo ... The NFC ring actually has two different NFC tags in it; one on each side. [Nairod785] had to program both of the tag ID’s into the Arduino to ensure ...

This solar tracker system uses the Arduino UNO board, a servomotor, 2 LDRs and 2 resistors to rotate the solar panel towards the Sun or a source of light. Here https ...

When the pulses match, the servo motor stops moving. This pulse arrangement is very simple to drive from a logic output on an Arduino or other microcontrollers. The build details are a bit sparse ...

Despite this, Arduino is just one among many of its kind in a market that is booming after new demand; so the Bluetooth and NFC of the Primo could give Arduino an edge over its everyday competition.

drive motors, unlock strikes, control relays, read from a temperature sensor and all thanks to built in NFC connectivity, right out of the box. The KeyDuino development board is Arduino Leonardo ...