Light Intensity Controller Based On PWM
This Light Intensity Controller Project describes how a simple circuit can be designed to control the intensity of a string of LEDs. The circuit is based on a common 555 timer IC that employs a pulse width modulation (PWM) technique to control the voltage. The 555 IC is driven in an astable mode. The same […]
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Voltage To Frequency Converter
A proven way to send an analog signal a long distance is to transport the signal as a frequency using a voltage-to-frequency converter (VFC), a special circuit whose output is a frequency that is proportional to its input voltage. In principle, it is relatively easy to send a frequency signal over a long transmission path […]
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