oled

SSD1306 OLED display module

Transform Your Home into a Futuristic Hub with This DIY Real-Time Clock and Temperature Display

This project demonstrates building a real-time clock (RTC) with temperature display using an Arduino, DS3231 RTC chip, and SSD1306 OLED display (128×64 pixels). The DS3231 RTC chip provides more accuracy than the DS1307 and incorporates an onboard temperature sensor. It maintains timekeeping even without the main power, making it well-suited for this application. It communicates …

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DRIVING AN OLED SCREEN WITH A 6502 SINGLE-BOARD COMPUTER

DRIVING AN OLED SCREEN WITH A 6502 SINGLE-BOARD COMPUTER

Twenty years ago, if you wanted an LCD for a project, you’d probably end up with something salvaged from a mobile phone or an HD44780 character display. These days, little OLEDs can be had for a few bucks and they’ve taken the maker world by storm. [Anders Nielsen] has recently been experimenting with driving these …

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SMART COFFEE REPLACES ESPRESSO MACHINE CONTROLLER WITH ARDUINO, SENSORS

SMART COFFEE REPLACES ESPRESSO MACHINE CONTROLLER WITH ARDUINO, SENSORS

A common hacker upgrade to an espresso machine is to improve stability and performance with a better temperature controller, but [Schematix]’s Smart Coffee project doesn’t stop there. It entirely replaces the machine’s controller and provides an optional array of improvements for a variety of single-boiler machines (which is most of them). Smart Coffee isn’t free, it …

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BRINGING A BAOFENG INTO THE CYBERPUNK 2077 UNIVERSE

BRINGING A BAOFENG INTO THE CYBERPUNK 2077 UNIVERSE

You’ve got to love the aesthetics of dystopian cyberpunk video games, where all the technology looks like it’s cobbled together from cast-off bits of the old world’s remains. Kudos go to those who attempt to recreate these virtual props and bring them into the real world, but our highest praise goes to those who not …

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ARDUINO LIBRARY BRINGS RTL_433 TO THE ESP32

ARDUINO LIBRARY BRINGS RTL_433 TO THE ESP32

If you have an RTL-SDR compatible radio there’s an excellent chance you’ve heard of the rtl_433 project, which lets you receive and decode signals from an ever-expanding list of supported devices in the ISM radio bands. It’s an incredibly useful piece of software, but the fact that it requires an external software defined radio and …

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