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Latest tutorials

507 articles

MAKER TUTORIAL

Making Yoghurt with a Portlet

Practical electronics projects and step-by-step guidance for makers.

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MAKER TUTORIAL

Up Counter

An up counter simply counts from 0 to 9. We can use this circuit to make digital object counter. This circuit can also be used to make a digital clock.

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MAKER TUTORIAL

Digital Object Counter using LDR and digital IC

555 timer configured in monostable mode is a simple automatic dark sensor circuit that gives output when light falling on LDR is blocked.

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MAKER TUTORIAL

Telephone misuse indicator

When the phone line is in idle condition (on hook), the full voltage of 48V DC from the exchange appears across the line. When the phone is...

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MAKER TUTORIAL

AM receiver from dark sensor

In this case, LDR has been replaced with capacitor C1-0.01uF and resistor R3-1K has been replaced with L1 & VC1. In place of a LED, a Piezo...

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MAKER TUTORIAL

Basic RC circuit

For the circuit to work as light operated musical bell, we need to connect the SW1- switch to N/C terminal of relay. LDR has to be kept in a dark case.

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