Under Speed Warning Alarm for Magnetic Pickup sensor – Frequency Controlled Switch
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Under Speed Warning Alarm for Magnetic Pickup sensor – Frequency Controlled Switch

This is an under-speed sensor module that provides an audible warning and signals output when the speed of a machine is below the set point. The module can be used in applications such as Engines, Machines, Sports machines, Fitness Equipment, Speed of the machine or engine can be...

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Scoppy: A Minimalist Oscilloscope and Logic Analyzer Powered by Raspberry Pi Pico
Raspberry PiTest/Measurements

Scoppy: A Minimalist Oscilloscope and Logic Analyzer Powered by Raspberry Pi Pico

Oscilloscopes are one of the most essential laboratory tools for electrical engineers. These scopes graphically display varying signal voltages on a two-dimensional plot as a function of time. The waveforms can be used to analyze useful signal properties like amplitude, frequency, rise...

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Rodriguez – The World’s Slowest IV Tracer
Test/Measurements

Rodriguez – The World’s Slowest IV Tracer

Joseph Eoff has posted on Hackaday details about Rodriguez, which is an IV tracer. About the origin of the project, he says: “Rodriguez started as a nameless project I used to make a point in an online discussion about the shape of the current/voltage plot of the base/emitter...

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RadSens module: An ultracompact Arduino Dosimeter
Test/Measurements

RadSens module: An ultracompact Arduino Dosimeter

A dosimeter is an extensively used device for measuring ionizing radiation. Modern electronic personal dosimeters can be worn by a person to monitor the dose of radiation received. These modern dosimeters can give a continuous readout of cumulative dose and current dose rate and can...

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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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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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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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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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