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Recent Articles

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  1. The TP4056: Lithium Ion/polymer Battery Charger IC

    Nov 27, 20 03:28 AM

    Learn how to use the TP4056 properly. There's a right way, and a wrong way, to use it to safely charge Lithium Ion batteries.

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  2. How to use the MCP23017 I/O Expander on the Arduino

    Nov 22, 20 04:39 AM

    How to use the MCP23017 to increase your I/O by 16 pins (or more) and use its interrupt system.

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  3. How to use the MCP4725, a versatile and tiny (SOT-23-6) analogue output device

    Nov 10, 20 11:36 AM

    The MCP4725 chip is a 12 bit DAC with memory that outputs voltage that you can use for many dfferent purposes. Find out what they are in this page.

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  4. Arduino Battery Charger: How to save the planet one battery at a time; Recycle and re-use Alkaline battries

    Oct 02, 20 01:12 AM

    Arduino Battery Charger: A very useful project that lets you charge 'un-rechargeable' alkaline batteries!

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  5. Digispark Attiny85 Easy IDE install and setup

    Sep 21, 20 01:13 AM

    Digispark ATtiny85: Essential information on setting up and using this tiny, but powerful, chip

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  6. Magnetometer tilt compensation

    Sep 06, 20 02:11 PM

    How to make magnetometer tilt compensation work for a magnetometer such as a QMC5883L using an ADXl345 accelerometer.

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