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Tag Archives: Raspberry Pi

Build a Rain Notifier with Grove Pi+

You don't need a weather forecaster to know if you need your umbrella. With the GrovePi+ Starter Kit you can build your own "Rain Notifier" to alert you with a red glowing LED if you need to remember your umbrella or a blue LED if you're going to have blue skies.

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Raspberry Pi Zero: A Cheap Brain for Your Next Bot

The Pi Zero packs a lot of processing power in for five bucks! (Photo credit: Raspberry Pi)

The Raspberry Pi Zero costs just a wee bit more than it’s name implies: $5. But that’s still darn cheap for what you get. Each Pi Zero has a Broadcom BCM2835 application processor, with a 1GHz ARM11 core. That’s 40 percent faster than Raspberry Pi 1! It also …

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Raspberry Pi 2 Starter Kit

Bake your first Pi 2 project with Sparkfun's Starter Kit. (Photo credit: Sparkfun)

  This kit from Sparkfun includes everything you need to quickly start building simple projects with a Raspberry Pi 2. In addition to a Pi 2 model B, the kit also includes a SparkFun Pi Wedge. The Wedge connects to the 40-pin GPIO connector on the …

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Adafruit’s 16-Channel PWM/Servo HAT for Raspberry Pi

This mini-kit makes it easy to control multiple DC Servos using a Raspberry Pi. (Photo credit: Adafruit.)

Normally, it’s not easy to control DC Servos using a Raspberry Pi, because the motors require well timed pulses in order to work properly. This new 16-Chanel PWM/Servo HAT from Adafruit makes it easy! No need to fut around with the Linux kernel. Just pop on the …

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Unite Your Raspberry Pi and Arduino with Arduberry

Use Arduino sensors on your next Pi project with the Arduberry. (Photo credit: Dexter Industries.)

The Arduberry has one wish: to bring together the Arduino and the Raspberry Pi. Designed by Dexter Industries, the Aruberry is a shield that plugs into a Pi so that Arduino sensors and shields can be easily connected. No physical adjustments are requirement for most shields: …

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A-Star 32U4 Robot Controller LV with Raspberry Pi Bridge

This programmable module combines with a Raspberry Pi to serve as the control center of a robot or electronics project. (Photo credit: Pololu Robotics and Electronics)

This A-Star can be used as a Raspberry Pi HAT (for Model B+, Model A+, and Pi 2 Model B Pi boards) or as a standalone controller for a very simple robot. Built around an ATmega32U4 AVR microcontroller with built-in USB functionality,  the board includes dual …

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Pololu Dual MC33926 Motor Driver for Raspberry Pi

The GPIO pin mappings on this add-on board can be customized. (Photo credit: Pololu.)

Adding a pair of brushed DC motors to a Raspberry Pi B+, A+, or Pi 2 is easy with this add-on board from Pololu. The board comes fully assembled, so all you need to do is connect it to a Pi as a HAT (Hardware Attached …

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Pi-Based Tiddlybot Follows and Draws Lines

The Tiddlybot is a Raspberry Pi powered robot that can follow lines and draw. (Photo credit: Pibot Team.)

Tiddlybot is an easy-to-build robot that can connect to any smartphone, tablet or PC that supports HTML. Run it as a remote controlled toy, or program it using a custom Blockly interface. The robot features two servos, line sensors and multicolored LEDs. There’s even a spot …

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Pimoroni Explorer HAT Pro for Raspberry Pi

Pimoroni Explorer HAT Pro makes prototyping easy. (Photo credit: Adafruit)

If you want to prototype with your next Raspberry Pi 2, B+, or A+ robot, the Pimoroni Explorer HAT Pro is an ideal solution. You can use it to drive motors or test code involving sensors. It can also accept input from 5V systems, such as …

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Raspberry Pi 2 Considerably Faster, But Camera Shy

The Raspberry Pi 2 offers a faster processor and more memory than the B+. But it has a problem with Xenon. (Photo courtesy of the Raspberry Pi Foundation.)

With a quad core ARMv7 processor running at 900mHZ, the freshest Pi in the shop — the Raspberry Pi 2 — is considerably faster than its predecessors. In fact, it boasts speeds of up to six times faster! It also offers twice as much memory, with …

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Raspberry Pi Camera Robot

Make your Pi camera mobile, with this new chassis kit. (Photo courtesy of Dawn Robotics.)

Dawn Robotics’ new kit offers a low-cost solution for those who want to add mobility to their Raspberry Pi camera. The Chassis Kit includes everything you’ll need to get started, minus the Raspberry Pi, Raspberry Pi camera, WiFi dongle, and SD card. An online tutorial details …

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A Reliable, International Power Supply for Single-Board Computers

This 5V 2A Power Adapter from Adafruit was designed to eliminate brownouts. Photo courtesy of Adafruit.

A poorly made power supply can wreak havoc on a robotics project, particularly one that uses USB power. If the cable is too long, made with narrow gauge wire, and the project requires a lot of current, the adapter might not provide 5V reliably. This can cause brownouts …

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Add a Capacitive Touch Screen to Your Raspberry Pi

Adafruit's PiTFT Mini Kit makes a perfect console, X window port, or display on top of your Raspberry Pi A or B rev 2. Photo courtesy of Adafruit.

Raspberry Pi lovers will likely remember the old PiTFT Mini Kit resistive touchscreen, which required a stylus. This new kit, available from Adafruit, can be used with your fingerpad! Featuring at 2.8″ display, the new PiTFT Mini Kit offers 320 x 240 16-bit color pixels. The screen …

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