Tiny Lisp Computer using ATmega328
Mcu

Tiny Lisp Computer using ATmega328

The Tiny Lisp Computer is a self-contained computer programmed in Lisp. Some programming examples are included in the author's website. This article describes a self-contained computer with its own display and keyboard, based on an ATmega328, that you can program in Lisp. You can use...

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7 Segment LED Based SPI Display using 74HC595
Led

7 Segment LED Based SPI Display using 74HC595

Single Digit Big Display module using 74HC595 IC project will display large size 7 segment single digit number. 3.5inch height, which can be visible over large distance.  More digit can be connected serially to each other easily connector. This circuit is a single digit seven...

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4 digit charlieplexed segment display
Led

4 digit charlieplexed segment display

bobricius @ hackaday.io has designed an ultra thin custom display, requiring only 6 gpio pins to drive 30 leds. FEATURES: - 1.05x0.48 inches (26.67x12.22 mm) - 30 led - any color - ultra thin .... etc. on 0.8mm board - only 6 gpio - ideal for wrist watch 4 digit...

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An Atmega library for multiple HD44780 LCDs
LCD/OLEDMcu

An Atmega library for multiple HD44780 LCDs

Davide Gironi has posted an I2C multiple HD44780 AVR Atmega library: This library implements a driver for HD44780 lcd connected through PCF8574 port expander. Data is transmitted using only 2 wire over i2c with the PCF8574. This library can drive up to 8 LCD concurrently. Lcd...

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Make Your Own Smartwatch From An Old Cell Phone
Arduino

Make Your Own Smartwatch From An Old Cell Phone

Have an old cell phone laying around? Don’t know what to do with it? What if I told you that you could turn that old cell phone into a smartwatch! What I’d like to do for this crazy/ambitions project is turn an old cell phone into a smartwatch. So obviously an old cell phone is...

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Arduino-compatible touch-enabled display shield from FTDI
LCD/OLED

Arduino-compatible touch-enabled display shield from FTDI

CleO is a simple to program, intelligent TFT display solution that allows the construction of human machine interfaces (HMIs) with – says maker FTDI chip – much higher performance than conventional Arduino display shields are able to deliver. by Graham Prophet...

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2018
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Grandaddy OLED Watch
Arduino

Grandaddy OLED Watch

ZeroBeatPro shared this project on Thingiverse Take a stroll with Grandaddy OLED the watch and light up the night. Use any of your favorite watchbands to easy connect to the OLED Watch case. Grandaddy OLED Watch -...

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How to Scroll a single LCD line – Arduino
LCD/OLED

How to Scroll a single LCD line – Arduino

R Jordan Kreindler show us how to scroll a single line on a LCD display. The Liquid Crystal Library has two quite useful functions scrollDisplayLeft() and scrollDisplayRight(). These functions scroll the whole display. That is, they scroll both lines on a 1602 LCD and all four...

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