In this project, you'll learn how to wire an LED and flash it using the Raspberry Pi. Also, to isolate the Raspberry Pi's + 3.3VDC compliant output pins from supply voltages greater than this power source, an opto-isolator will be introduced as well.
December 11, 2015 by Don Wilcher
In this article I will show you how to use the internal EEPROM of an ATMega 328P microcontroller. I will use a USB-to-serial converter, and an LM35 temperature sensor. I will also give you some tips and tricks when designing a PCB.
October 18, 2015 by Jens Christoffersen
MQ Telemetry Transport (MQTT) is a popular low-overhead messaging protocol used by many IoT devices to communicate. This tutorial will show the user how to to set up a basic MQTT network using Python on his or her computer and an ESP8266 running the NodeMCU firmware.
September 15, 2015 by Patrick Lloyd
Learn how to connect your device with Linux Screen using the built-in Lua interpreter to set up the file system and connect to the network. Then, learn how to automate the scripting process with Luatool and put it all together with a basic TCP server that can interact with a pulse-width modulated LED, a potentiometer, and a switch.
July 22, 2015 by Patrick Lloyd
Many embedded applications benefit from a communications interface that allows for convenient data transfer between a PC and a microcontroller. This article explains how to use the virtual COM port library from Silicon Laboratories to send data from a Windows application to an EFM8 microcontroller.
July 17, 2015 by Robert Keim
By equipping an Arduino with an Ethernet shield you can turn it into a simple web server, and by accessing that server with a browser running on any computer connected to the same network as the Arduino, you can perform a variety of tasks.
June 06, 2015 by Tim Youngblood