Raspberry pie 57/100 - Pico connected to Internet of things NB IOT

Recently, a project wanted to monitor the abnormal situation of an object on the construction site. This kind of thing should be able to stand by for 20 ~ 30 days with a 3.7V battery. Under normal circumstances, it is almost in a static state, and there will be a little vibration due to nearby interference. When there is a large movement, it sh ...

Posted on Fri, 03 Dec 2021 21:24:00 -0500 by craige