Electrical Concepts

Devices and Inputs: Dry Contact / Open Collector / Open Drain
Digital Matter devices commonly have digital inputs. These are inputs are designed to read on or off. This article discusses connecting the DM inputs to ext...
Wed, 12 Sep, 2018 at 3:16 PM
Measuring 4-20mA Current Loop Signals with an Analog Input
To measure a 4-20mA current signal, a resistor should be wired inline to the low side of the power to the device (possibly supplied by the device itself), a...
Tue, 3 Dec, 2019 at 10:22 AM
Minimum Voltages for Devices + Under Voltage Lockout
In the latest versions of battery powered device firmware, we have implemented an Under Voltage Lockout (UVLO). This will power down the device when the ba...
Thu, 5 Mar, 2020 at 11:40 AM