We recently decided to start moving our efforts from Arduino to the Raspberry Pi. Arduino is great for embedded projects and has served us well but connecting an Arduino to the Internet is extremely expensive: paying $100 for a micro-controller and a wifi board is not a good start for an embedded project.
One of the limitations of the Raspberry Pi is that it offers only one PWM output. Some people work around this by plugging a raspberry pi to an arduino or using external PWM generator but we were looking for something simpler and cheaper.
In this article we will show you how we connected a Raspberry Pi to a high power RGB led. Our solution does not require any other hardware and is extremely easy to reproduce!
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Stop breadboarding and soldering – start making immediately! Adafruit’s Circuit Playground is jam-packed with LEDs, sensors, buttons, alligator clip pads and more. Build projects with Circuit Playground in a few minutes with the drag-and-drop MakeCode programming site, learn computer science using the CS Discoveries class on code.org, jump into CircuitPython to learn Python and hardware together, TinyGO, or even use the Arduino IDE. Circuit Playground Express is the newest and best Circuit Playground board, with support for CircuitPython, MakeCode, and Arduino. It has a powerful processor, 10 NeoPixels, mini speaker, InfraRed receive and transmit, two buttons, a switch, 14 alligator clip pads, and lots of sensors: capacitive touch, IR proximity, temperature, light, motion and sound. A whole wide world of electronics and coding is waiting for you, and it fits in the palm of your hand.
Have an amazing project to share? The Electronics Show and Tell is every Wednesday at 7pm ET! To join, head over to YouTube and check out the show’s live chat – we’ll post the link there.
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