PWMcontrol on Raspberry Pi: installation and first test on Hatalógico board

Vendor's Description:  Finally I got my first test with Hatalógico and it looks promising: just out of the box PWM working. That means servos working right in the same platform as a powerful linux board! If you don't know the Hatalógico board for Raspberry Pi, go and check it here, there are 3 days left to get it at a special price and features. So these here are my steps to get the Hatalógico working. I'm ...

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Safe and simple AC PWM Dimmer for arduino / Raspberry pi

Dimmer With  MOSFET This circuit shows that dimmers intended for use at mains voltage do not always have to contain a triac. Here, a MOSFET (BUZ41A, 500 V/4.5A) in a diode bridge is used to control the voltage across an incandescent bulb with pulse-width modulation (PWM). The power supply voltage for driving the gate is supplied by the voltage across the MOSFET. add on board:raspberry pi diy add-on board  S ...

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RaspberryPi Pulse Width Modulation Demonstration

This instructable is a demonstration of the settings used to control the hardware Pulse Width Modulation (PWM) on a RaspberryPi. If you are just fading an LED the default settings are good enough, but if you are trying to control a servo, a stepping motor, or anything critical you will want to change some of the settings. You will need: 1 - A RaspberryPi 2 - Speakers plugged into the speaker jack (Not HDMI) ...

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Controlling a servo using Raspberry Pi and WiringPi software based PWM

Controlling a servo using raspberry pi PWM generator is not a trivial task since PWM period cannot be defined by the user. To overcome this issue we will use wiringPi C library in order to create a software generated pulse. Of course the generated pulse will not be as accurate as a hardware generated pulse but will be sufficient for simple tasks involving servo control. In the following picture we can see h ...

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