servo

Scary IoT Pumpkin with Motion-Triggered Servo

Pumpkin with smart LED strip, PIR motion detector and servo motor to scare even more people. It’s wireless and easy to control with Node-RED. Story So what do I expect from it? It must be interactive and react to motion, change colours and effects using programmable LEDs and feature something special – an unexpected pumpkin …

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ULN2803 8-channel RC Servo Port for Raspberry Pi

Bring in some muscle to your output pins with 8 mighty Darlingtons! This driver chip contains 8 drivers that can sink 500mA from a selectable 5V or DC input voltage supply and has kickback diodes included inside for driving coils. This will let your little microcontroller or microcomputer power solenoids, DC motors (in one direction) …

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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 …

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