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Ambient Light Monitor: Zero-Cross Detection

Ambient Light Monitor: Zero-Cross Detection

Part 4 in the “How to Make an Ambient Light Monitor” series


Projects Aug 16, 2015 by Robert Keim
Ambient Light Monitor: Understanding and Implementing the ADC

Ambient Light Monitor: Understanding and Implementing the ADC

Part 2 in the "How to Make an Ambient Light Monitor" Series. Our smart ambient light monitor will need to digitize and analyze signals from an optical detector, so it is time to explore the EFM8’s integrated analog-to-digital conversion functionality.


Projects Aug 05, 2015 by Robert Keim
Introduction to Arduino SPI Library with LTC1286 and DAC714

Introduction to Arduino SPI Library with LTC1286 and DAC714

Introduction to the Arduino SPI Library with example sketch for the LTC1286 12 Bit ADC and the DAC714 16 bit DAC.


Projects Jul 17, 2015 by Aaron Dennis
Build Your Own Alarm System with an LM386 Amplifier and an NPN Transistor

Build Your Own Alarm System with an LM386 Amplifier and an NPN Transistor

Build an analog booby-trap alarm system with an LM386 amplifier and an NPN transistor. This alarm system is activated by a trip sensor that sets off a screeching noise, alerting everyone and scaring off thieves.


Projects Jul 13, 2015 by Patrick Lloyd