Mover Kit – The first active wearable that kids make & code
Led

Mover Kit – The first active wearable that kids make & code

Mover Kit encourages movement! It's a game, speed-activated bike light, disco bracelet – whatever a kid can make, move & code it to be. The Mover Kit is an intuitive way for kids ages 8 and over to learn the fundamentals of electronics, programming and solve problems...

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Arduino “Pick N Place” Android Robot
Robots

Arduino “Pick N Place” Android Robot

Sameer tipped us with his latest build of an arduino robot which is controlled by an Android smartphone using Bluetooth. Pick N Place robot is a basic level robot for beginners and leaders to learn all about the laws & concepts of Physics, Electronics & Mechanics hence it...

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Analogue Sensors – Calculate the Nonlinearity Introduced by a Load or Pull Down Resistor
Basic Electronics

Analogue Sensors – Calculate the Nonlinearity Introduced by a Load or Pull Down Resistor

Tecwyn Twmffat @ instructables.com discuss about the notlinearity introduced by adding a pull down resistor and why you may get unpredictable readings from your ADC. For many years I found that I would get strange, unpredictable, readings from my sensor related projects at the...

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Buck regulator accepts 3.0-V to 42-V input
IC

Buck regulator accepts 3.0-V to 42-V input

Linear Technology Corporation announces the LT8608, a 1.5A, 42V input synchronous step-down switching regulator. A unique synchronous rectification topology delivers 93% efficiency while switching at 2MHz enabling designers to avoid critical noise-sensitive frequency bands, such as AM...

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12V to 28V Step Up DC-DC Converter
Power supply

12V to 28V Step Up DC-DC Converter

The Step-Up DC-DC Converter project provides 28V, 175mA output with input of 12V DC. The MC34063A IC is heart of the project from On semiconductor. The MC33063A is a monolithic control circuit containing the primary functions required for DC-DC converters, This device consist of an...

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Troubleshooting a 32kHz Crystal Oscillator
Basic Electronics

Troubleshooting a 32kHz Crystal Oscillator

How to Actually Make it Oscillate? Now for an oscillator to work, we need an amplifier with a gain of greater than 1, and a phase shift of 360 degrees to get positive feedback. First problem – the transistor was saturated, with Vc stuck near 0V. For an oscillator to start noise...

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Ultra Low-Power (35nA!) Programmable Timer using TI TPL5111
Timer

Ultra Low-Power (35nA!) Programmable Timer using TI TPL5111

Ultra Low-Power (35nA!) Programmable Timer using TI TPL5111. Imagine a system for example that has to work from a small coin cell for 5-10 years. TPL5111 solves a typical problem in low power wireless systems- things need to be off most of the time, and wake up periodically to...

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Review: ScanaQuad – a super-small logic analyzer
Tools

Review: ScanaQuad – a super-small logic analyzer

Harry Baggen @ elektormagazine.com reviews the ScanaQuad, a new series of tiny 4 channel logic analyzers. The ScanaQuad series consists of four modules (SQ25, SQ50, SQ100 and SQ200), which mainly differ in the sampling rate. The French company Ikalogic has been making logic analyzers...

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