When I grew up we only had rotary dial phones for many years, I love them, love the sound they make and been wanting to take one and make it into a mobile phone for many years. So I was super happy when a good friend (thanks Ilanit) told me she got one for me….
It’s one thing to be able to transcribe music from a flute, and it’s another to be able to make a flute play pre-written music. The latter is what [Abhilash Patel] decided to pursue in the flute player machine, an Arduino-based project that uses an air flow mechanism and PVC pipes to control the notes…
Have you ever needed some extra USB ports when creating a project with a Raspberry Pi Zero? Were external USB hubs or HATS just not an option due to the space constraints of your project? If you answered yes to these questions, or you just want a fun soldering project that will yield you something…
We recently obtained a clock that flew on a Soyuz space mission.1 The clock, manufactured in 1984, contains over 100 integrated circuits on ten circuit boards. Why is the clock so complicated? In this blog post, I examine the clock’s circuitry and explain why so many chips were needed. The clock also provides a…
https://youtu.be/BccGnfM-dbk We continue with the Pi Zero dashcam project and in this post, we take care of file management while also adding some enhancements in the process. This project is almost complete and we will be carrying out road tests in next week’s post/video. More info
Build a smart planter with Adafruit PyPortal and CircuitPython. Monitor your plants vitals with Adafruit STEMMA Soil Sensor and plot moisture and temperature data. Use Adafruit IO to create a visual dashboard with gauges of your plants water levels. The display shows an animation of the water levels and moisture and temperature values. The planter…
To help advance and improve access to FIDO authenticator implementations, we are excited, following other open-source projects like Solo and Somu, to announce the release of OpenSK, an open-source implementation for security keys written in Rust that supports both FIDO U2F and FIDO2 standards. More info
Our heart beats 115200 times a day, it is such a fine machine that does not stop during our lives. However, not many people have the advantage to have this machine in good conditions. Many factors of daily life can permanently affect cardiac function. Factors such as: Sedentarism. Diet full of Salt, saturated fats…
This PyPortal project shows one notable electronic or science fact every day. Based on what day it is, CircuitPython code grabs JSON data from a database and then prints information about the person associated with that day. Want more info on the person? Use the QR code! More info
Do you want to play retro games without paying for the expensive old consoles? You can do just that with the Raspberry Pi. The Raspberry Pi is a “credit card-sized computer” that is capable of many cool things. There are many different types of these. The Pi is readily available in most online retailers like…
Brushless electric motor (BLDC motors) are synchronous motors that are powered by a DC electric source via an integrated inverter/switching power supply, which produces an AC electric signal to drive the motor. Hall sensored motors uses hall effect sensors or a rotary encoder to directly measure the rotor’s position. More info
[…]In the third version I got a lot closer to the vision in my head. I designed some custom PCBs to mount addressable LEDs to instead of individually PWM-ing each Common-Cathode LED (I still have unplaced anger at whoever let me live so long without knowing about the WS2812). I was also able to use…
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