3 ms·
There are a number of BLE beacons that last for a year on a single CR2302 battery. They only transmit for a fraction of a second at a time, then sleep for 2+ se
by tlrobinson 11y ago
There are a number of BLE beacons that last for a year on a single CR2302 battery. They only transmit for a fraction of a second at a time, then sleep for 2+ seconds.