Measuring the speed of light with electronics

Measuring the speed of light with electronics

The speed of light in vacuum is a well-known universal constant and is considered to be the nature’s ultimate speed limit.


Inductive Proximity Switch Using TCA505

Inductive Proximity Switch Using TCA505

This circuit is used to design an inductive proximity switch.


Components ICs by mixos
4 Digit MultiPlexed 0.33 Inch 7 Segment Common Anode Display

4 Digit MultiPlexed 0.33 Inch 7 Segment Common Anode Display

7 Seven segment multi-plexed display is tiny board that has been designed around Common Anode 4 digit Display, Display has 12...


Laser for sending music over a distance

Laser for sending music over a distance

Light is a very popular means of communication.


100Vin, 5W out regulator uses primary-side control

100Vin, 5W out regulator uses primary-side control

LT8303 is a monolithic flyback regulator in a TSOT-23 package that simplifies the design of isolated DC/DC converters.


Low noise Mini Electret Microphone PreAmplifier

Low noise Mini Electret Microphone PreAmplifier

The single supply microphone pre-amplifier amplifies the output signal of an electret capsule microphone to audio line levels.


Audio Components by mixos
8 Channel Relay Board with onboard 5V regulator

8 Channel Relay Board with onboard 5V regulator

This is a general purpose relay board accepting 8 inputs to drive 8 relays providing control requirement in your project.


CO2, temperature and humidity monitor

CO2, temperature and humidity monitor

An open source CO2 monitoring project from Roving Dynamics: The project described below uses a MH-Z16 or MH-Z19 CO2 sensor and a...


7 Segment LED Based SPI Display using 74HC595

7 Segment LED Based SPI Display using 74HC595

Single Digit Big Display module using 74HC595 IC project will display large size 7 segment single digit number.


Time Machine – A Smart Clock That Does What You Say Using Alexa Voice Service

Time Machine – A Smart Clock That Does What You Say Using Alexa Voice Service

With a controller and a seven segment display, showing the time is not a so special feature, but when this clock can listen to...


60V-input battery charger; Pb-acid & Li-ion charge algorithms up to 20A

60V-input battery charger; Pb-acid & Li-ion charge algorithms up to 20A

LTC4013 is a highly integrated, high voltage multi-chemistry synchronous step-down battery charger controller.


Zener Diodes In Theory and Practice

Zener Diodes In Theory and Practice

David Jones made a tutorial on the fundamentals of zener diodes over his EEVblog youtube channel.