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NEW PRODUCT – Circuit Playground Express for 4-H

4H Board top ORIG 2019 03

NEW PRODUCT – Circuit Playground Express for 4-H


Circuit Playground Express is the next step towards a perfect introduction to electronics and programming. We’ve taken the original Circuit Playground Classic and made it even better! Not only did we pack even more sensors in, we also made it even easier to program.

This version is 4-H themed, for use by anyone, but comes in a special green color and with the 4-H emblem on the back, to celebrate the positive youth development and mentoring organization. 4‑H’s reach and depth are unmatched, reaching kids in every corner of America – from urban neighborhoods to suburban schoolyards to rural farming communities. The 4-H network of 500,000 volunteers and 3,500 4‑H professionals provides caring and supportive mentoring to all 6 million 4‑H’ers, helping them grow into true leaders today and in life that has inspired 6 million members.

4H Board iso ORIG 2019 03

This version works just like any other Circuit Playground Express, and is great for sensor projects like this soil sensor. Turn it into an alarm, so it beeps when a door is opened, or plot light and temperature in your garden to track your plants as they grow up. There’re hundreds of projects to build, learn and adapt.

Start your journey with Microsoft MakeCode block-based or Javascript programming. Then, you can use the same board to try CircuitPython, with the Python interpreter running right on the Express. As you progress, you can advance to using Arduino IDE, which has full support of all the hardware down to the low level, so you can make powerful projects.You can even use code.org CS Discoveries to learn all about coding right in your browser!

4H no Quarter ORIG 2019 03

Check out our detailed guide with a tour of Circuit Playground Express and details on getting started using MakeCode, CircuitPython, code.org CS Discoveries or Arduino!

Because you can program the same board in 4 different ways – the Express has great value and re-usability. From beginners to experts, Circuit Playground Express has something for everyone. If you are looking for our original, Arduino-only Circuit Playground, check out the Circuit Playground Classic.

The board is round and has alligator-clip pads around it so you don’t have to solder or sew to make it work. You can power it from USB, a AAA battery pack, or with a Lipoly battery (for advanced users). Circuit Playground Express has built-in USB support. Built in USB means you plug it in to program it and it just shows up, no special cable or adapter required. Just program your code into the board then take it on the go!

4H Board detail ORIG 2019 03

Here’s some of the great goodies baked in to each Circuit Playground Express:

  • 10 x mini NeoPixels, each one can display any color
  • 1 x Motion sensor (LIS3DH triple-axis accelerometer with tap detection, free-fall detection)
  • 1 x Temperature sensor (thermistor)
  • 1 x Light sensor (phototransistor). Can also act as a color sensor and pulse sensor.
  • 1 x Sound sensor (MEMS microphone)
  • 1 x Mini speaker with class D amplifier (7.5mm magnetic speaker/buzzer)
  • 2 x Push buttons, labeled A and B
  • 1 x Slide switch
  • Infrared receiver and transmitter – can receive and transmit any remote control codes, as well as send messages between Circuit Playground Expresses. Can also act as a proximity sensor.
  • 8 x alligator-clip friendly input/output pins
  • Includes I2C, UART, 8 pins that can do analog inputs, multiple PWM output
  • 7 pads can act as capacitive touch inputs and the 1 remaining is a true analog output
  • Green “ON” LED so you know it’s powered
  • Red “#13” LED for basic blinking
  • Reset button
  • ATSAMD21 ARM Cortex M0 Processor, running at 3.3V and 48MHz
  • 2 MB of SPI Flash storage, used primarily with CircuitPython to store code and libraries.
  • MicroUSB port for programming and debugging
  • USB port can act like serial port, keyboard, mouse, joystick or MIDI!

Check out our detailed guide with a tour of Circuit Playground Express and details on getting started using MakeCode, CircuitPython, code.org CS Discoveries or Arduino!

CPX back

In stock and shipping now!


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, or even use Arduino IDE. Circuit Playground Express is the newest and best Circuit Playground board, with support for MakeCode, CircuitPython, 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.

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