From Circuit Playgrounds to IoT: A Guide to Adafruit’s Apps #adafruit @adafruit

Have you heard about our apps? They can help both beginners and experienced engineers get into electronics. If you’re interested in exploring these exciting apps, check them out, and welcome to the future of DIY electronics!

Bluefruit Connect

Wirelessly connect your iOS device to Adafruit Bluefruit LE modules for control & communication with your projects.


• Send iOS sensor & GPS data wirelessly over Bluetooth LE (Continued use of GPS running in the background can dramatically decrease battery life)

• Control Pad for simple directional control of your projects 

• Control Arduino Digital, Analog, & PWM pin input & output

• Send & receive messages via UART monitor in Hex or ASCII format

• Send & receive messages via CircuitPython REPL

• Control NeoPixels individually with an interactive color picker

• Scan & list nearby Bluetooth LE peripherals with RSSI and Advertisement data

• Connect & List peripheral Services & Characteristics in Info mode

• Serial Plotter to plot numeric data graphically

• Multiple simultaneous connections (UART and Serial Plotter only)

• Send Images via UART

• Update your Bluefruit device to the latest firmware version from within the app

• Use Apple Watch to control Bluefruit with Color Picker & Control Pad

Available on the Apple App Store and the Google Play Store

Circuit Playground 

Simplifies electronics reference and calculation – so you can have more fun hacking, making, and building your projects. 



• Calculate component values for Op Amp, 555, RC Filter, Resistor Divider circuits, and more

• Decipher resistor and capacitor codes with ease

• Calculate power, resistance, current, and voltage with Ohm’s Law & Power Calculators

• Quickly convert between decimal, hexadecimal, binary, or ASCII characters

• Calculate values for multiple resistors or capacitors in series or parallel

• Pinout diagrams for widely-used ICs, connectors, and boards

• Find color for LED wavelength

• Detect a magnet’s polarity

• Show off your project by submitting pics to Adafruit’s Show & Tell

• Access exclusive deals from Adafruit Industries

All that, plus more functions and enhancements to come!

Available on the Apple App Store and the Google Play Store


PyLeap is an app that allows users to easily download code files and assets and transfer them to their Adafruit devices using Bluetooth Low Energy (BLE) or Wi-Fi.

With PyLeap, users can quickly and conveniently transfer code files and assets from our Adafruit Learn Systems to their Adafruit devices, allowing them to take their projects to the next level.

Compatible devices:

• nRF52840 boards running CircuitPython

• ESP32-S2

Available on the Apple App Store and the Google Play Store

Adafruit AR

View pinout overlays of Adafruit and third-party microcontroller boards while using Adabot in augmented reality. 


• Your virtual assistant, Adabot, can appear in augmented reality and provide electronic advice.

• You can check pinout overlays for Adafruit and third-party microcontroller boards.

Available on the Apple App Store

File Glider

Wirelessly transfer files to and from file transfer ready Bluetooth Low Energy (BLE) or Wi-Fi firmware. Browse and edit files from within File Glider or use the Files app integration to access the files from other apps. Multiple devices can be managed at once, and access can be shared amongst multiple apps.

Compatible devices:

• nrf52840 boards running CircuitPython

• ESP32-S2 TFT

Available on the Apple App Store and the Google Play Store

Bluefruit Playground – Bluefruit Playground Community on Google Play

Bluefruit Playground connects wirelessly to Adafruit’s Bluefruit hardware to remotely display sensor data, control hardware, and more.


• Control LED color & animation

• View continuous light sensor readings

• View the state of built-in buttons & switch

• Play tones and music

• View orientation based on accelerometer data

• View and graph temperature readings

• Animate a 3D puppet in real-time

• View Barometer and Humidity data from CLUE

– all without soldering or writing a single line of code!

Available on the Apple App Store and the Google Play Store

Geocaching Datalogger

Geocaching Datalogger is an assistant app for GPS treasure hunters, artists, & more. Record a location history with a map, log any related data, and export it for other applications.

Available on the Apple App Store

Adafruit TV

Learn all about electronics, wearables, & 3D printing with videos from Adafruit! Discover unique open-source projects you can build at home, along with tips, tricks, & techniques that make technology fun.

Available on the Apple App Store


Check em’ out today!

Adafruit publishes a wide range of writing and video content, including interviews and reporting on the maker market and the wider technology world. Our standards page is intended as a guide to best practices that Adafruit uses, as well as an outline of the ethical standards Adafruit aspires to. While Adafruit is not an independent journalistic institution, Adafruit strives to be a fair, informative, and positive voice within the community – check it out here:

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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, 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.

Join us every Wednesday night at 8pm ET for Ask an Engineer!

Join over 36,000+ makers on Adafruit’s Discord channels and be part of the community!

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