Cloud Delivery Build Monitor @Raspberry_Pi #PiDay #RaspberryPi

From by Guy Winterbotham and Dave Tashner via

This is a collaborative between a group of geeks with a shared interest in the practices surrounding DevOps practices related to continuous delivery. The goal is to create an internet connected device that can access the state of the deployment of an application from the “bare metal” provisioning of cloud VMs up through to the application build and deploy. It may end up as a limited edition.

Most control options and circuits involve creating an oscillation and running through a step transformer to get the 200V+ needed to get the wire to glow. One control approach like Spakfun’s SparkFun EL Escudo Dos have a single beefy low voltage power source and use high voltage triacs to route to multiple wires. I thought I’d like to get multiple 5V EL power supplies and use MOSFETs to control the low power side. Since I was going to experiment, I thought I start cheap and get the wearable versions. It turns out with some pocking around it was just as easy to hack the 3V controller without the use of a MOSFET.

I figured our that the small chip does two things. It debounces the pushbutton and based on how many times the pushbutton is pressed produces a couple of patterns. On, slow flash, fast flash and off. The pushbutton has an external pull resistor which makes the hack easy. Replace the pushbutton’s pull to ground with a microcontroller’s programmatic pull to ground. if both share a common ground this level shifting requires no other parts. There is some risk of oscillations and high voltage escaping back to the microcontroller but no more than the onboard controller chip.

Full project breakdown here!

3055 06Each Friday is PiDay here at Adafruit! Be sure to check out our posts, tutorials and new Raspberry Pi related products. Adafruit has the largest and best selection of Raspberry Pi accessories and all the code & tutorials to get you up and running in no time!

As 2022 starts, let’s take some time to share our goals for CircuitPython in 2022. Just like past years (full summary 2019, 2020, and 2021), we’d like everyone in the CircuitPython community to contribute by posting their thoughts to some public place on the Internet. Here are a few ways to post: a video on YouTub, a post on the CircuitPython forum, a blog post on your site, a series of Tweets, a Gist on GitHub. We want to hear from you. When you post, please add #CircuitPython2022 and email to let us know about your post so we can blog it up here.

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