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 ...
Embedded

Mastering motor control: measurements sensors and parameters

As previously mentioned, the feedback sensors include position sensors to track the rotor’s location, current sensors to measure the motor phase currents, voltage sensors to monitor the DC bus voltage ...
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 ...