Introduction to I²C and SPI protocols
Mcu

Introduction to I²C and SPI protocols

byteparadigm.com has a nice introductory article on I2C and SPI protocols: Today, at the low end of the communication protocols, we find I²C (for ‘Inter-Integrated Circuit’, protocol) and SPI (for ‘Serial Peripheral Interface’). Both protocols are well-suited for...

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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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How to interface OLED 0.96inch LCD with Arduino
ArduinoLCD/OLED

How to interface OLED 0.96inch LCD with Arduino

This tutorial is going to teach you the basics on using OLED 0.96inch LCD128x64 with Arduino. OLED 0.96 inch is a monochrome graphic display module with a built-in 0.96 inch, 128X64 high-resolution display. OLED 0.96inch is able to work despite the absence of backlight. In a dark...

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Basics of the SPI Communication Protocol
Basic Electronics

Basics of the SPI Communication Protocol

circuitbasics.com talks about the SPI serial communications protocol: One unique benefit of SPI is the fact that data can be transferred without interruption. Any number of bits can be sent or received in a continuous stream. With I2C and UART, data is sent in packets, limited to...

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ulibSD – a library for use SD cards in SPI mode with uControllers
Software

ulibSD – a library for use SD cards in SPI mode with uControllers

electronictechnician.wordpress.com has published a library for use SD cards in SPI completely written in C. It’s a library for use SD cards in SPI mode with uControllers, entirely written in C. This library can work with SD cards and also has the possibility to emulate the behavior...

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mavroOBD – Arduino based OBD port module
Arduino

mavroOBD – Arduino based OBD port module

Danny Mavromatis has designed an Arduino based OBD port module using Atmel 328P MCU and Microchip MCP2515 CAN Bus controller with SPI interface and MCP2551 CAN transceiver. The goal of this project it to create an Arduino based OBD port module that can be used to enhance a vehicles...

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Wearable WiFi Detector
RF

Wearable WiFi Detector

A WiFi (Wireless Fidelity) is a technology that uses the 2.4GHz UHF and 5GHz SHF ISM radio bands to allow devices such as computers, smartphones, digital cameras, tablet computers, etc. to network. Nowadays the WiFi technology is being used by cities to provide free or low-cost Internet...

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