The Great Search: Triple Nickels! (555 Timers) #TheGreatSearch #DigiKey #Adafruit @DigiKey @Adafruit

We just saw Colin’s great video on 555 timers, who doesn’t love these classic chips? You can still get them, heck they are one of the few things you CAN get!

So, if you want to make a one-shot timer or a mini synth, check out Digi-Key for all your 555 timer needs (video above). They’ve also greatly improved in performance since the ’70s, with wider voltage range, lower quiescent current, and higher frequency outputs.

See on Digi-Key at https://www.digikey.com/short/vr1c30pn

See episodes of The Desk of Ladyada in the playlist here and other Great Searches in the playlist here.


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, 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.

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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.

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CircuitPython – The easiest way to program microcontrollers – CircuitPython.org


Maker Business — Savannah tells the story of the supply chain crisis in the U.S.

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Electronics — Get Oriented!

Python for Microcontrollers — Python on Microcontrollers Newsletter: Events, Projects, and much more! #Python #Adafruit #CircuitPython @micropython @ThePSF

Adafruit IoT Monthly — No-Code IoT with WipperSnapper, Beaming Internet across the Congo, and more!

Microsoft MakeCode — MakeCode Thank You!

EYE on NPI — Maxim’s Himalaya uSLIC Step-Down Power Module #EyeOnNPI @maximintegrated @digikey

New Products – Adafruit Industries – Makers, hackers, artists, designers and engineers! — New Products 10/20/21 feat. DIN Rail 10×10 to Terminal Block Adapter!

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