5V TO -12V Inverting Switching Regulator
Power supply

5V TO -12V Inverting Switching Regulator

The DC/DC inverting switching regulators project is specifically designed to invert input voltages to negative outputs. It offer input voltage ranges from 4.5V to 6V and output -12V 100mA The MC34063A IC is heart of the project from On semiconductor. The MC33063A is a monolithic...

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42V, 3.5A-out buck regulator operates at 175°C ambient
IC

42V, 3.5A-out buck regulator operates at 175°C ambient

LT8610AX is a 3.5A, 42V input-capable synchronous step-down switching regulator, which operates in ambient temperatures up to 175°C. Synchronous rectification delivers efficiency as high as 95% while Burst Mode operation keeps quiescent current under 3.5 µA in no-load standby...

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LED current regulator has low dropout
Led

LED current regulator has low dropout

Peter Demchenko @ edn.com This Design Idea circuit regulates the current through one or more LEDs, making it almost independent of supply voltage. Its main advantage is a very small dropout voltage, which can be less than 100mV. The design could find use on LED strips, where the...

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Use a Fingerprint sensor module to add biometric security to your Arduino projects
Arduino

Use a Fingerprint sensor module to add biometric security to your Arduino projects

educ8s.tv has a new video on how to use a fingertip sensor with Arduino. If you want to add biometric security features to your Arduino projects, an easy way to do so, is to add a fingerprint sensor module to it. In this video we demonstrate how easy to use a fingerprint sensor with...

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Battery-pack fuel gauge with SHA-256 authentication prevents pack cloning
IC

Battery-pack fuel gauge with SHA-256 authentication prevents pack cloning

Implementing pack-side battery gauges in portable devices is easier and more secure, Maxim asserts, with its ModelGauge m5 portfolio of MAX17201/MAX17205 and MAX17211/MAX17215. Fuel gauging can be difficult because battery voltage varies with temperature and load, while...

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How to Improve Buck Converter Light Load Efficiency with an LDO
Power supply

How to Improve Buck Converter Light Load Efficiency with an LDO

By Michael Hartshorne @ digikey.com: Designing a DC/DC converter that only consumes micro amps of current at no load can be compared to fueling a muscle car with lighter fluid – you may get it to work, but it won’t be easy. High efficiency at full load currents is commonplace in...

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Parallel Port Breakout board with Buffer for CNC & Routers
Control

Parallel Port Breakout board with Buffer for CNC & Routers

Parallel port I/O break out board designed for Hobby CNC, Routers and Motion controller ,  This Board is an easy solution to driver stepper Motor driver, AC Servo (with Step-DIR Driver) and DC servo (with Step-DIR Driver), The Board is compatible with various CNC software specially...

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Arduino Lightning Detector
Arduino

Arduino Lightning Detector

This is an Arduino tutorial on how to detect lightning from far away. In this tutorial, we will build a lightning detector using an Arduino Uno, a few resistors and some jumper wires. Most lightning detectors often cost too much for the normal hobbyist, however this does not mean one...

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