Monitor voltage and current with the Tiny V/A Meter
Arduino

Monitor voltage and current with the Tiny V/A Meter

Measuring voltage and current is an important part of the development process for any hardware product. Especially when developing a low power device, the knowledge of how much power the device is drawing at each mode of its operation is critical to the correct estimation of its battery...

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DIY voltage and current reference
Test/Measurements

DIY voltage and current reference

Petteri Aimonen designed and built his own voltage and current reference: When developing a data acquisition system, I ran into a need of having fairly accurate current reference to compare against, 0.1% accuracy or better. This is not a particularly high standard, but unable to find a...

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Self-Calibrating USB Voltage/Current Meter
USB

Self-Calibrating USB Voltage/Current Meter

With a code size of 1KB on an ATtiny13A MCU, this tiny module measures voltages up to 22 volts and current up to 5 amps. This project is published by Tirdad Sadri Nejad. He writes: There are a lot of so-called "USB doctor" modules which are used for monitoring currents flowing through...

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Pokit PRO – a multichannel multimeter, oscilloscope and logger
Test EquipmentTop Stories

Pokit PRO – a multichannel multimeter, oscilloscope and logger

Pokit Innovations has done it again. Hot on the heels of pokitMeter’s success on Kickstarter and beyond, the pokit team are ready to ramp it up with their next product – Pokit PRO. This new electronic measurement tool will be launched as the company’s second Kickstarter campaign...

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Joulescope: Precision DC Energy Analyzer
Test EquipmentTop Stories

Joulescope: Precision DC Energy Analyzer

Joulescope™ enables designers, engineers, and makers to quickly and easily optimize the energy consumption and battery life of a target device. Joulescope is designed to automatically handle wide current ranges and rapid changes in energy consumption, while allowing the target...

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Tektronix Launches Two New 6½-digit DMM and DAQ systems : DMM6500  And DAQ6510
Test/Measurements

Tektronix Launches Two New 6½-digit DMM and DAQ systems : DMM6500 And DAQ6510

Tektronix, a US-based company, has introduced two new Keithley 6½-digit models to its line of Digital Multimeters (DMMs) and data-acquisition systems: The new DMM6500 DMM and also the new DAQ6510 data-acquisition system. The company has also upgraded their Kickstart measurement...

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Low-side I/V sensing IC, with internal power calculation
IC

Low-side I/V sensing IC, with internal power calculation

Maxim Integrated has posted details of the MAX44299, a low-side current, voltage, and power monitoring circuit that provides an analogue output current proportional to the measured current, voltage, and the internally calculated instantaneous power. The power monitor offers high...

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How-to use PWM to Generate Analog Voltage in Digital Circuits
Mcu

How-to use PWM to Generate Analog Voltage in Digital Circuits

Maurizio @ emcelettronica.com tipped us with his latest article on how to generate analog voltages using a microcontroller. Many times, designers are faced with the need of generating analogue or analog voltage levels in purely digital circuits. Although the market provides today a...

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