LenP17 built a capacitor meter using the new Adafruit Arduino enclosure and LCD. The cap in question is placed in the sweet spot of a 555 circuit, and the resulting frequency is measured, correlated to a particular capacitance, and then displayed by the Arduino.
More info in the forums.
Nice work, Len!
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.
Join 12,000+ makers on Adafruit’s Discord channels and be part of the community! http://adafru.it/discord
Have an amazing project to share? The Electronics Show and Tell with Google Hangouts On-Air is every Wednesday at 7:30pm 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!
Follow Adafruit on Instagram for top secret new products, behinds the scenes and more https://www.instagram.com/adafruit/
Maker Business — SiFive is a startup to pay attention to. RISC-5 is here to stay.
Wearables — Swatch it up
Electronics — Code like everyone’s watching
Biohacking — Stroboscopic Visual Training
Python for Microcontrollers — CircuitPython takes flight! All aboard with datum, Bluefruit CPX, and more! #Python #Adafruit #CircuitPython #PythonHardware @circuitpython @micropython @ThePSF @Adafruit
Sorry, the comment form is closed at this time.
Hi there! It would be fanstastic to get a link to the schematics!
Thanks for posting this, John!
I’ll post more info about this in the forums when I get a chance.
More info posted here:
http://forums.adafruit.com/viewtopic.php?f=25&t=17319