EDN

DIY Arduino Voltmeter and Voltage Divider

Here is a useful circuit for Arduino lovers and experimenters. It is a simple digital voltmeter, which can safely measure input dc voltages in 0 to 30V range. The Arduino board can be powered from a ...
EDN

INA219 Current Sensor Module Primer

I got a couple of INA 219 modules from an online seller overseas. I was looking for a different dc current sensor module to start a small battery charger project, so I welcomed them. The INA219 based ...
Electronic Design

Testing Open- and Closed-Loop Current Sensors

Open-loop current sensors have a definite price advantage over closed-loop counterparts. While you can use them in drive applications where torque accuracy isn't demanding — such as pump and fan ...
T&D

Sustainable Development Technology Canada Contributing Toward the Development of Optical Voltage, Current Sensors

NxtPhase T&D Corporation has announced that Sustainable Development Technology Canada (SDTC) will contribute $986,000 toward the development of a family of optical voltage and current sensors for use ...