Seven segment displays are usually a pain to use, as they require a lot of pins from a microcontroller to operate. Thankfully, Adafruit has made it a lot easier to use a seven segment display by giving you four digits that only require 2 wires from your microcontroller to operate. Even better, you can connect multiple displays together and still only use two pins. You can easily work one of these displays into your halloween project. Here are a few projects that use the Adafruit seven segment displays to give you some inspiration.
HAPPY HALLOWEEN! Each day this month (Monday-Friday) we’re going to have a special “Electronic Halloween” post here on Adafruit. It will be a hack, mod, project or something we’ve found that combines all the best things about electronics and Halloween.
We’re going to also figure out a date for the FIRST EVER Google+ Live Hangout On Air Event & costume contest! Stay tuned for that! For now be sure to join the Adafruit Google+ page!
Have an amazing project to share? Join the SHOW-AND-TELL every Wednesday night at 7:30pm ET on Google+ Hangouts.
Join us every Wednesday night at 8pm ET for Ask an Engineer!
Learn resistor values with Mho’s Resistance or get the best electronics calculator for engineers “Circuit Playground” – Adafruit’s Apps!
Maker Business — Apple: Right to Repair iPhones Encourages Hackers @Apple :)
Wearables — Last minute glow
Electronics — High voltage logic
Biohacking — University Community Testing Services
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