Coil winders are a popular project because doing the deed manually can be an incredibly tedious and time consuming task. After building one such rig, [Pisces Printing] wanted to find even further time savings, and thus designed an improved, faster version. At it’s heart, it’s a straightforward design, using a linear rail and a leadscrew driven […]
ARDUINO-CONTROLLED COIL WINDER Continue Reading
If you want to keep your badminton game at its peak, you’ll need a good racket with a proper set of strings. When an injury kept [Antonie Colin] off the court for a few months, building a restringing machine helped pass the time. The design is straightforward, using commonly-available motion components and 3D-printed parts. The round
BADMINTON STRING WINDER GETS THE TENSION JUST RIGHT Continue Reading
Fonts sourcing/creation, usage and management, are some of the major challenges firmware developers face with projects where the display (TFTs, Epaper displays, etc.), is a critical element of the project’s performance. From access to clear and good looking fonts to managing the size of the font files when running on MCUs with limited memory, is
MEET FONTEDIT – THE CUSTOM FONT EDITOR FOR LCD, LED AND E-PAPER DISPLAYS Continue Reading
Cree has announced the CV94D-FCC LED that integrates three emitters in a compact surface-mount device (SMD) package. The package includes tightly packed red, green, and blue (RGB) emitters enabling full-color signs or displays based on solid-state lighting (SSL) technology. Most of the freeway signage has been based on amber monochromatic technology. But signs that are either full
CREE ADDS RGB SURFACE-MOUNT LEDS FOR COLOR DIRECTIONAL SIGNAGE Continue Reading
If you are searching for a quick yet fantastic little project to keep you busy you might be interested in this fantastic Arduino Nano ESP32 based color handheld console created by the Volos Projects YouTube channel. The tiny handheld console features a round display and is powered by an Arduino Nano ESP32. Volos Projects, a
Arduino Nano ESP32 handheld console with round color display Continue Reading
The 433 MHz spectrum is a little bit of an oddball.Outside of the US, it’s an open playground for devices that adhere to the power restrictions and other guidelines about best practices. IoT devices operate here, as well as security systems and, of course, remote controls. And, using a few off-the-shelf parts [hesam.moshiri] shows us
RF REMOTE MADE EASY Continue Reading
Summary The issue of poor air quality is a significant concern that impacts the well-being of numerous communities, particularly individuals with health conditions. The ability to measure air quality accurately is of utmost importance. In this module, you will have the opportunity to construct a basic air quality sensor using affordable and easily accessible components.
Arduino Air Quality Sensor Continue Reading
When miniature LCD TVs arrived on the market they were an object of desire, far from the reach of tech-obsessed youngsters. Now in the age of smartphones they’re a historical curiosity, but with the onward march of technology you can have one for not a lot. [Taylor Galbraith] shows us how, with an ESP32 and an
AN ESP IN YOUR MINI TV Continue Reading
It’s becoming increasingly common for single-board computers to ship with Kendryte’s popular K210, and Sipeed’s latest MAIX Nano M1n with PCIe M.2 and USB Type-C form factor is not left behind as it ships with the K210 embedded along with a 128MB of SPI flash and a 24-pin edge connector. The K210 AI chip includes a powerful CPU that is based
ESP32-S2 WiFi SoC by Espressif Systems was first unveiled in May last year before its first internal development boards and datasheet were later showcased sometime in September but since the outbreak of the Coronavirus epidemic, progress on the board has really gone down the lane. However, the company recently announced its intentions towards starting mass production for the ESP32-S2, alongside other
MEET THE ESP32-S2 BASED SOC, WROOM AND WROVER MODULE Continue Reading
