Circuit Playground2.1.5 - App Store
You'll be able to see results in few seconds.
Publisher Description
Circuit Playground simplifies electronics reference & calculation - so you can have more fun hacking, making, & building your projects.
Features:
. Calculate component values for Op Amp, 555, RC Filter, Resistor Divider circuits & more
. Decipher resistor & 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, & 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 & enhancements to come!
Version History Improved support for iOS 14 2.1.5 09/03/2021 Better support for iOS13
Fixed a typo in the resistor divider equation 2.1.4 02/18/2020 - Ohm's Law module: now the default state shows value symbols instead of units
- Capacitor codes: fixed problem entering decimal values
- Minor bug fixes and improvements 2.1.3 05/15/2018 Magnet pole detector 2.1.2 03/22/2018 Magnet Pole Detector updated for iPad Mini
General improvements and bug fixes 2.1.1 03/19/2018 Added a Magnet Pole Detector
General improvements and bug fixes 2.1.0 03/17/2018 Improved support for iOS 11 and iPhone X
General improvements and bug fixes 2.0.3 12/22/2017 Number Converter: fixed incorrect behaviour for decimal and hexadecimal inputs 2.0.2 09/14/2017 - Fixed temperature units bugs for "Trace Width" and "VREG Temperature" modules 2.0.1 08/21/2017 • UI updates, optimizations & bugfixes throughout the app
• New pinouts for Adafruit boards 2.0 07/28/2017 New Features
• PDFs can now be opened in Circuit Playground via iOS's "Open in…" button
• Imported PDF files are saved to Circuit Playground's Documents folder
Bugfixes & Improvements
• CapCodeCalc pF label corrected (iPhone)
• All OpAmp Calcs show circuit name in top bar (iPad)
• Optimized standard values in LED Resistor Calc
• Resistor Divider equation corrected
• Differentiator Calc warnings shown with saved values (iPad)
• Toolbar always visible after using Datasheet Viewer (iPhone)
• USB-A pinout illustration updated pin offset 1.7 03/08/2013 • LED Resistor Calc now provides power rating
• Bugfix for Ohms Law Calc sometimes truncating current value
• Bugfix for LED Resistor Calc value saving on iPhone 1.6.3 12/12/2012 • Increased Show & Tell photo sizes on non-retina devices
• Improved UI functionality in Show & Tell module
• Fix for incorrect scrolling height in Pinouts module
• Fix for some Wavelength Calc values not showing in Dark UI
• Fix for iPad index display after orientation change 1.6.2 11/20/2012 New Features:
• Support for iPhone 5 display
• All calculators retain input values & reset via Options menu
• Multi Resistor & Capacitor calcs share values between modes
• Updated UI elements
Bugfixes:
• 555 Calc min & max frequencies
• Number Converter ASCII input
• Add'l fixes & improvements 1.6.1 10/17/2012 • Resistor Divider Calculator
• Heat Sink Calculator
• Wavelength to Color Converter
• Trace Width Calculator
• Quarter Wave Calculator
• New Pinouts for connectors, ICs, & boards
• Send multiple pics + video with Show & Tell
• Camera items are saved to photo library
• Support for iOS 6
Note: This update requires iOS 4.3 or later 1.6 09/18/2012 • Op Amp Circuit Calculators - 8 new circuits for design & reference
• Op Amp Pinout Reference
• Show & Tell - submit & share your projects pics with Adafruit
• Touch input for calculator schematics
• Plus many more functional & visual enhancements 1.5 07/18/2012 • Bug fix for RC Filter Calc's High Pass mode displaying incorrect unit label
• Bug fix for zero value input errors on 555 Calc & RC Filter Calc, plus relevant alert views
• Added alert view for component count fields in Multi Resistor & Capacitor Calcs
• Minor UI tweaks 1.1.1 05/01/2012 New Features:
• RC Filter Calculator
• 555 Timer Calculator
• Microcontroller Reference
• Graphics updated for iPad Retina displays
• New index menu for iPhone
• Relevant equations displayed for all calculators
Bugs Fixed:
• Visibility of Multi Cap count while editing on iPhone
• Total displayed prematurely in Multi Cap Calculator
• Additional fixes & optimizations 1.1 04/21/2012 • Improved support for multiple region formats
• Clear buttons now available for text fields
• Additional tweaks & optimizations
Thanks to everyone who provided feedback! 1.0.2 03/08/2012 • Support for region-specific decimal & grouping separators
• Support for iPhone 3G & iOS 4.2
• Resistance fields now accept abbreviated input values
• Fixed bug where CapCodeCalc returned incorrect values for some input formats
• Fixed bug causing MultiResCalc & MultiCapCalc to sometimes load incorrectly
• Prevented modules from loading simultaneously when selected in fast succession
• Fixed bug where Datasheet Viewer's page bar was sometimes positioned incorrectly
• Fixed bug causing ResCodeCalc to sometimes load with incorrect band mode
+ add'l tweaks/optimizations - and more to come! 1.0.1 02/21/2012 1.0 01/27/2012
About Circuit Playground
The company that develops Circuit Playground is Adafruit Industries LLC. The latest version released by its developer is 2.1.5.
To install Circuit Playground on your iOS device, just click the green Continue To App button above to start the installation process. The app is listed on our website since 2026-10-15 and was downloaded 0 times. We have already checked if the download link is safe, however for your own protection we recommend that you scan the downloaded app with your antivirus. Your antivirus may detect the Circuit Playground as malware if the download link is broken.
How to install Circuit Playground on your iOS device:
- Click on the Continue To App button on our website. This will redirect you to the App Store.
- Once the Circuit Playground is shown in the iTunes listing of your iOS device, you can start its download and installation. Tap on the GET button to the right of the app to start downloading it.
- If you are not logged-in the iOS appstore app, you'll be prompted for your your Apple ID and/or password.
- After Circuit Playground is downloaded, you'll see an INSTALL button to the right. Tap on it to start the actual installation of the iOS app.
- Once installation is finished you can tap on the OPEN button to start it. Its icon will also be added to your device home screen.
Program Details
System requirements
Download information
Pricing
Version History
version 2.1.5
posted on 2026-10-15
Version History Improved support for iOS 14 2.1.5 09/03/2021 Better support for iOS13
Fixed a typo in the resistor divider equation 2.1.4 02/18/2020 - Ohm's Law module: now the default state shows value symbols instead of units
- Capacitor codes: fixed problem entering decimal values
- Minor bug fixes and improvements 2.1.3 05/15/2018 Magnet pole detector 2.1.2 03/22/2018 Magnet Pole Detector updated for iPad Mini
General improvements and bug fixes 2.1.1 03/19/2018 Added a Magnet Pole Detector
General improvements and bug fixes 2.1.0 03/17/2018 Improved support for iOS 11 and iPhone X
General improvements and bug fixes 2.0.3 12/22/2017 Number Converter: fixed incorrect behaviour for decimal and hexadecimal inputs 2.0.2 09/14/2017 - Fixed temperature units bugs for "Trace Width" and "VREG Temperature" modules 2.0.1 08/21/2017 • UI updates, optimizations & bugfixes throughout the app
• New pinouts for Adafruit boards 2.0 07/28/2017 New Features
• PDFs can now be opened in Circuit Playground via iOS's "Open in…" button
• Imported PDF files are saved to Circuit Playground's Documents folder
Bugfixes & Improvements
• CapCodeCalc pF label corrected (iPhone)
• All OpAmp Calcs show circuit name in top bar (iPad)
• Optimized standard values in LED Resistor Calc
• Resistor Divider equation corrected
• Differentiator Calc warnings shown with saved values (iPad)
• Toolbar always visible after using Datasheet Viewer (iPhone)
• USB-A pinout illustration updated pin offset 1.7 03/08/2013 • LED Resistor Calc now provides power rating
• Bugfix for Ohms Law Calc sometimes truncating current value
• Bugfix for LED Resistor Calc value saving on iPhone 1.6.3 12/12/2012 • Increased Show & Tell photo sizes on non-retina devices
• Improved UI functionality in Show & Tell module
• Fix for incorrect scrolling height in Pinouts module
• Fix for some Wavelength Calc values not showing in Dark UI
• Fix for iPad index display after orientation change 1.6.2 11/20/2012 New Features:
• Support for iPhone 5 display
• All calculators retain input values & reset via Options menu
• Multi Resistor & Capacitor calcs share values between modes
• Updated UI elements
Bugfixes:
• 555 Calc min & max frequencies
• Number Converter ASCII input
• Add'l fixes & improvements 1.6.1 10/17/2012 • Resistor Divider Calculator
• Heat Sink Calculator
• Wavelength to Color Converter
• Trace Width Calculator
• Quarter Wave Calculator
• New Pinouts for connectors, ICs, & boards
• Send multiple pics + video with Show & Tell
• Camera items are saved to photo library
• Support for iOS 6
Note: This update requires iOS 4.3 or later 1.6 09/18/2012 • Op Amp Circuit Calculators - 8 new circuits for design & reference
• Op Amp Pinout Reference
• Show & Tell - submit & share your projects pics with Adafruit
• Touch input for calculator schematics
• Plus many more functional & visual enhancements 1.5 07/18/2012 • Bug fix for RC Filter Calc's High Pass mode displaying incorrect unit label
• Bug fix for zero value input errors on 555 Calc & RC Filter Calc, plus relevant alert views
• Added alert view for component count fields in Multi Resistor & Capacitor Calcs
• Minor UI tweaks 1.1.1 05/01/2012 New Features:
• RC Filter Calculator
• 555 Timer Calculator
• Microcontroller Reference
• Graphics updated for iPad Retina displays
• New index menu for iPhone
• Relevant equations displayed for all calculators
Bugs Fixed:
• Visibility of Multi Cap count while editing on iPhone
• Total displayed prematurely in Multi Cap Calculator
• Additional fixes & optimizations 1.1 04/21/2012 • Improved support for multiple region formats
• Clear buttons now available for text fields
• Additional tweaks & optimizations
Thanks to everyone who provided feedback! 1.0.2 03/08/2012 • Support for region-specific decimal & grouping separators
• Support for iPhone 3G & iOS 4.2
• Resistance fields now accept abbreviated input values
• Fixed bug where CapCodeCalc returned incorrect values for some input formats
• Fixed bug causing MultiResCalc & MultiCapCalc to sometimes load incorrectly
• Prevented modules from loading simultaneously when selected in fast succession
• Fixed bug where Datasheet Viewer's page bar was sometimes positioned incorrectly
• Fixed bug causing ResCodeCalc to sometimes load with incorrect band mode
+ add'l tweaks/optimizations - and more to come! 1.0.1 02/21/2012 1.0 01/27/2012
version 2.1.5
posted on 2021-09-03
Improved support for iOS 14
version 2.1.5
posted on 2021-09-03
Sep 3, 2021
Version 2.1.5
Improved support for iOS 14
version 1.7
posted on 2012-01-27
Disclaimer
Official App Store Link
We do not host Circuit Playground on our servers. We did not scan it for viruses, adware, spyware or other type of malware. This app is hosted by Apple and passed their terms and conditions to be listed there. We recommend caution when installing it.
The App Store link for Circuit Playground is provided to you by apps112.com without any warranties, representations or guarantees of any kind, so access it at your own risk.
If you have questions regarding this particular app contact the publisher directly. For questions about the functionalities of apps112.com contact us.
