A simple electronic ceiling fan regulator circuit using a triac and a diac is a common type of circuit which is used to control the speed of a ceiling fan. […]
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12 Amp Power Supply Circuit using Parallel LM317 ICs
This adjustable power supply is capable of delivering a maximum output of 12 A with an adjustable voltage from 4 V to 20 V through many LM317 ICs connected in […]
24V to 12V DC Converter Circuit [using Switching Regulator]
The DC to DC converter circuit described below can be used to convert a 24 V DC source into a 12 V DC output with high efficiency. Meaning, the circuit […]
Atmospheric Pressure Indicator Circuit [LED Barometer Circuit]
With temperature, if there is one characteristic physical quantity of the past or future weather, it is certainly atmospheric pressure. The variations of this quantity are particularly interesting for weather […]
Mobile Signal Vibrator Circuit
This mobile signal vibrator circuit will detect the wireless high frequency signals from your mobile phone and will activate the connected vibrator motor. This circuit can be used for many […]
ON/OFF Relay Switch Circuit using Reflection Sensor
This 220 V ON/OFF electronic relay switch can be toggled ON/OFF simply by alternately bringing your finger close to the reflection sensor CNY70. About CNY70 CNY70 is an infrared reflecting […]