How do NPN transistors work?

The standard bipolar or BJT transistor is presented in two basic forms. An NPN type (Negative-Positive-Negative) and a PNP type (Positive-Negative-Positive). The most commonly used transistor configuration is the NPN…

What is a photo diode?

A photodiode is a type of light detector used to convert light into current or voltage depending on how the device works. Contains optical filters, integrated lenses and surfaces. These…

What is the lm386?

If you build a microcontroller sound sensor, you can install it on an LM386 based amplifier. It’s cheap, easily available and does not require too many external parts. A nice…

What is the use of IC lm358?

The LM358 is a dual-core, dual-core, low-power operational amplifier, originally initiated by National Semiconductor. It is used in detection circuits. The LM358 abbreviation indicates an 8-pin integrated circuit that includes…

How does IR sensors work?

An infrared sensor is an electronic tool that is used to detect certain environmental characteristics by emitting and / or detecting infrared radiation. Infrared sensors can also measure the heat…

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