A Playbook for Courageous Leadership: Uncertain times call for bold action. The Conflict-Intelligent Leader: Learn to manage discord before it disrupts your business. A Better Way to Make Strategy: ...

This product is open source! Various bits of the code have different licenses applied. Anything SparkFun wrote is beerware; if you see me (or any other SparkFun employee) at the local, and you've ...

The Mailbox Guard is a device that detects when a new letter or package has been delivered to your mailbox using a PIR sensor and door reed switch. It can send a signal to your LoRa gateway, then the ...

4G bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 19, 20, 21, 25, 26, 29, 30, 30, 32, 38, 39, 40 , 41, 42, 48, 66, 71, 75 - GK2MP 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17 ...