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 ...
Geeky Gadgets

EasyNixie Arduino compatible low-voltage Nixie Tube driver module

The EasyNixie Arduino compatible low-voltage Nixie Tube driver module has emerged as a versatile and user-friendly tool for hobbyists and professionals alike. This module, designed with a focus on ...
Hackaday

The 4-20 MA Current Loop

The I/O capabilities built into most microcontrollers make it easy to measure the analog world. Say you want to build a data logger for temperature. All you need to do is get some kind of sensor that ...
Electronic Specifier

Melexis enhances smart IVT hall and shunt sensors with external NTC input

Melexis adds a negative temperature coefficient resistor input capability to the MLX91230 and MLX91231, enhancing its smart ...
Electronics Weekly

5x5mm isolated SMD current sensors measure dc to 5MHz

Allegro MicroSystems has introduced a pair of surface-mount current sensors that work from dc to 5MHz. Variants allow six sensitivities between 66mV/A (±20A range) and 20.3mV/A (±65A). Response time ...