The TicTac Node

Reinhard Nickels

The Things Network User

Posted on 20-06-2017

For TTN Mapper I found the perfect housing, even programming is still possible.
The node is based on an Arduino Pro Mini with 3.3V. The battery voltage of a 18650 LiIon cell is regulated to 3.3V with a HT7333, a low dropout, low quiescent voltage regulator.