Part list from AliExpress, BestBuy, Amazon, and Newegg (prices as of Feb 2024): Case ZS-A4S ITX case all machined aluminum SFF case from Superbuy 6.2L Ultra Compact Design L:276mm x W:114mm x H:197mm Fits full size GPU Up to 272 x 130 x 42mm....
The journey began with this thing. It was originally $7 before inflation of course. https://www.walmart.com/ip/Nano-Mist-Sprayer-Handheld-Portable-Facial-Mist-Sprayer-Face-Steamer-Deep-Moisturzing-Mini-Humidifier-for-Home-Work-Travel/959711192...
I decided to start by implementing Butterworth IIR filters using the fixed point formats below. The first step is to find out how much the limited precision arithmetic will affect the filters. I am not using the PIC32 DSP ligrary because I could not...
Video or it didn't happen! Interactive and animated chart for the Leaderboard Awards. The data used in this chart was collected by Yann Guidon / YGDES over a period of more than 40 days.Play with the data for yourself. Yes, the webpage is lousy for the...
A powerfull dev board with the ESPRESSIF™ ESP32-S2®, a high resolution display, a RGB LED, a battery charger and a bunch of GPIOs. There are many ESP32 board on the market but very few with the new ESP32-S2 which handles USB communications, new...
You can use the ESP32 simulator on Linux, Windows or even Chromebooks! The project runs on the browser. So, you can always run the projects on mobile as well! There are several users using the ESP32 simulator on their MacOS as well! The connection diagram...
Note: this is a complex project with many details. For the short version, please see:Portable environmental monitor presentationProduction ready design documentIntroductionLast year (2014) I put my spare time to some really good use: I designed my first...
Short Summary This solar powering unit is a time switching battery powered solar charged circuit, used to power an Arduino Uno and some peripherals. The solar powering unit presented here is energy efficient. When we talk about Arduino, it consumes lots...
A clock built with eight authentic soviet vacuum fluorescent display (VFD) tubes, a custom designed circuit board, firmware and 3d-printed case It is an evolution of Phalanx. Many of the firmware improvements made for Ameise also trickled down to Phalanx...
Wheel of The Year On 16 segment Display The wheel of the year is divided in 8 intervals, and the corresponding segment is lit whenever the current day is inside the interval. In the picture below, the segment will be lit from February 1st until March...
The project is wholly composed by off the shelf components: ESP-01ArduinoDS3231 RTCNeoPixels5V to 3V3 regulator The ESP-01 creates a hotspot and serves a page with a form and a button The Make it Glow button maskes the ESP01 send the string typed ...
Today we present the FlameWheel Robot assembly tutorial and quick-start guide! It is rather difficult to assemble this robot without guidance. Feel free to refer to my introductory tutorial today.Flamewheel (A 2WD Remote Control Robot) is part of our...