3 Phase Isolated Hall-effect Current Sense Amplifier with +/-600V Working Voltage and +/-46A Measurement Range
Test/Measurements

3 Phase Isolated Hall-effect Current Sense Amplifier with +/-600V Working Voltage and +/-46A Measurement Range

The project described here is a 3-Phase isolated Hall-effect current sense amplifier with +/-600-V working voltage range. The current sensor senses magnetic flux generated from current passing through the lead frame at common-mode voltages 0 to 600V DC and provides proportional output...

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1521
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Murata Power Solutions DMR35 Digital Panel Meters
Test/Measurements

Murata Power Solutions DMR35 Digital Panel Meters

Murata Power Solutions DMR35 Digital Panel Meters perform precision DC current or voltage measurements and feature a highly visible, 3½-digit display with a fast-acting 21-segment bar graph. This graph provides a helpful indication of quickly changing measured values. Rear-accessible...

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1075
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100MHz Frequency Meter using ATtiny414
Test/Measurements

100MHz Frequency Meter using ATtiny414

David Johnson-Davies published a new project on his blog. This project is a simple frequency meter capable of measuring frequencies up to 100MHz with an accuracy of 0.002%. Based on an ATtiny414, it demonstrates the use of Timer/Counter TCD0 and the Event System: I recently wanted to...

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1331
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tCam-Mini Radiometric Thermal Imaging Camera with Desktop App
Test/Measurements

tCam-Mini Radiometric Thermal Imaging Camera with Desktop App

We saw thermal imaging cameras for the evaluation of the hardware temperature of various devices. Open thermal camera is compatible with mobile phone applications for thermal imaging and FLIR ETS320 a non-contact thermal imaging camera solution for electronic testing are some of the...

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1303
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Ultra-low power water flow measurement for AMR reference design
Test/Measurements

Ultra-low power water flow measurement for AMR reference design

This fully tested reference design demonstrates a low-power solution for electronic measurement of water flow through a mechanical meter and provides a single-chip platform for flow measurement and wireless communications. The design is ideal for water meter automatic meter reading...

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1344
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Miniature Frequency Probe measures 1Hz to 5MHz
Test/Measurements

Miniature Frequency Probe measures 1Hz to 5MHz

David Johnson-Davies shared another great and mini project on his blog. He writes: The Frequency Probe is a handheld tool designed to help you debug your circuits by giving a visual indication of the frequency or voltage at the probe. For a periodic waveform it gives a digital readout...

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1426
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Digital Pressure Gauge 0 to 10kPa (0 to 1.75 psi) with OLED display
LCD/OLEDTest/Measurements

Digital Pressure Gauge 0 to 10kPa (0 to 1.75 psi) with OLED display

The project presented here is a Digital Pressure Gauge using an OLED display. The measuring range of this unit is 0 to 10kPa (0 to 1.75 psi). Additional this compact open-source hardware is Arduino compatible. This board can be used for measuring low pressure up to 1.75psi with great...

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1175
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Low-Cost Room Thermometer Using 16×2 LCD and Atmega328
Test/Measurements

Low-Cost Room Thermometer Using 16×2 LCD and Atmega328

This is an easy to build small size and low-cost room thermometer. The project consists of LM35 analog temperature sensor, 16×2 LCD, and an Atmega328 chip. This compact board is Arduino compatible and provided with an onboard connector for Boot-Loader burning and Arduino IDE...

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1427
Views
1 Comments
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