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STD Generate Pulse Width Modulation (PWM) Signal using 555 Timer IC

License: Public Domain

Mode: Editors' pick

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Update time: 2022-05-02 09:08:59
Creation time: 2019-09-30 11:27:36
Description
PWM (Pulse Width Modulation) is a important feature of today’s every microcontroller due to its requirement for controlling many devices in every field of Electronics almost. PWM is widely used for motor controlling, lighting controlling etc. Sometime we do not use microcontroller in our applications and if we need to generate PWM without microcontroller then we prefer some general purpose ICs like op-amp, timers, pulse generators etc. Here we are using a 555 timer IC for generating PWM. 555 Timer IC is a very useful and general purpose IC which can be used in many applications.
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ID Name Designator Footprint Quantity
1 555_BJT_EE U1 DIP8 1
2 10K R1 RES-ADJ_3386P 1
3 1N4148 D1,D2 DO-35 2
4 1k R2 AXIAL-0.3 1
5 100nF C1 RAD-0.1 1
6 LED RED LED1 LED-5MM 1
7 100 R3 AXIAL-0.3 1
8 WJ2EDGVC-5.08-2P P1 WJ2EDGVC-5.08-2P 1
9 INPUTS P2 WJ2EDGVC-5.08-2P 1

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