All About Circuits

Latest Firmware Articles and Videos

Categories

How to Interface an Ultrasonic Sensor with an LCD Using a Microcontroller Dev Kit

How to Interface an Ultrasonic Sensor with an LCD Using a Microcontroller Dev Kit

Let's interface an ultrasonic sensor and a lighting system! In this project, we'll design a sensor subsystem and then use it in a parking sensor application.


Projects Nov 02, 2017 by Nick Davis
How to Build a Weighing Scale Using a Load Cell and a Microcontroller

How to Build a Weighing Scale Using a Load Cell and a Microcontroller

In this project, we're making a weighing scale using a C8051 microcontroller development kit, a load cell, and the Simplicity Studio IDE. The measured weight will be displayed on an LCD screen.


Projects Oct 10, 2017 by Nick Davis
Intelligence at the Edge Part 2: Reduced Time to Insight

Intelligence at the Edge Part 2: Reduced Time to Insight

In this multipart industrial IoT series, we will break down and explore the fundamental aspects of the edge node interpretation within the larger IoT framework: sensing, measuring, interpreting, and connecting data, with additional consideration for power management and security.


The LimeSDR Mini Open Source, USB, Programmable Software-Defined Radio

The LimeSDR Mini Open Source, USB, Programmable Software-Defined Radio

The popular open source LimeSDR USB stick programmable software-defined radio is about to get a smaller, cheaper little brother.


News Sep 26, 2017 by Tim Youngblood
Build a Temperature and/or Humidity Controlled Fan with a Picaxe 08M2 Microcontroller

Build a Temperature and/or Humidity Controlled Fan with a Picaxe 08M2 Microcontroller

A Picaxe 08M2 microcontroller and an HIH6030 sensor team up to easily control a ventilation fan using temperature or humidity or both.


How to Train Your Door Lock

How to Train Your Door Lock

This article takes a look at how current- or next-generation technologies can provide the potential for innovative applications and the problems and solutions that may arise.


How to Protect Your Robot with Automatic Collision Detection

How to Protect Your Robot with Automatic Collision Detection

In this article, we’ll develop and test an algorithm for automatically shutting down a robot in response to a collision (or some other violent event).


Projects Sep 21, 2017 by Robert Keim
Adding an LCD and Keypad to a Tachometer and Speedometer

Adding an LCD and Keypad to a Tachometer and Speedometer

In part two of the tachometer/speedometer project, we'll add a keypad and LCD for easier user interaction.


Projects Sep 18, 2017 by Nick Davis
STMicroelectronics Unveils New Affordable 8-Bit Microcontroller for STM8S001

STMicroelectronics Unveils New Affordable 8-Bit Microcontroller for STM8S001

This News Brief takes a look at the STM8S001 8-bit microcontroller from STMicroelectronics.


News Sep 12, 2017 by Robin Mitchell
RISC-V: Transforming the Development of SoC Devices that Combine FPGAs and Microcontrollers

RISC-V: Transforming the Development of SoC Devices that Combine FPGAs and Microcontrollers

Until recently, developers integrating a FPGA fabric with a microcontroller were severely limited in their choice of IP licensing options. Using open-source tools with a RISC-V core in a FPGA is present a solution to that problem.


How to Build a Tachometer/Speedometer with an Optoelectronic Sensor, a Microcontroller, and a Disc

How to Build a Tachometer/Speedometer with an Optoelectronic Sensor, a Microcontroller, and a Disc

Learn how to make a tachometer and speedometer using a C8051 microcontroller, an optoelectronic sensor, and a spinning disc.


Projects Sep 06, 2017 by Nick Davis
Teardown Tuesday: Bluetooth Car FM Radio Transmitter

Teardown Tuesday: Bluetooth Car FM Radio Transmitter

See what's inside this Bluetooth device that allows you to use your radio for wireless music in your car.


News Sep 05, 2017 by Mark Hughes
Gathering and Analyzing a Robot’s Accelerometer Data

Gathering and Analyzing a Robot’s Accelerometer Data

An accelerometer can be a valuable addition to a robotics project. This article will show you one approach to generating and analyzing acceleration data.


Projects Sep 01, 2017 by Robert Keim
Build Your Own Motion Detection System Using an Accelerometer

Build Your Own Motion Detection System Using an Accelerometer

This project uses a C8051 microcontroller development kit, an accelerometer evaluation board, and Simplicity Studio IDE—all from Silicon Labs—to rather quickly and easily build a motion-detecting alarm system.


Projects Aug 31, 2017 by Nick Davis
The Rise of Toshiba’s New 3D NAND Flash Memory

The Rise of Toshiba’s New 3D NAND Flash Memory

Get an update on Toshiba's advances in 3D flash memory, just in time for Flash Memory Summit.


News Aug 08, 2017 by Kate Smith
Learn About ATmega328P Fuse Bits and How to Use Them with an External Crystal Oscillator

Learn About ATmega328P Fuse Bits and How to Use Them with an External Crystal Oscillator

This project introduces ATmega328P fuse bits and shows how to set them to use an external 16 MHz crystal oscillator.


Battle of the SBCs: BeagleBone Black, Raspberry Pi 3, and ASUS Tinker Board

Battle of the SBCs: BeagleBone Black, Raspberry Pi 3, and ASUS Tinker Board

With a variety of different single board computers, it can be difficult to choose which computer is right for your project. This article will look at the basics of three single board computers available.


News Aug 02, 2017 by Robin Mitchell
The Wi-Fi Eye, Part 4: Power System and Neopixel Lights

The Wi-Fi Eye, Part 4: Power System and Neopixel Lights

In part 4 of our Wi-Fi Eye project, we'll deal with our power supply


Projects Jul 28, 2017 by Jeremy Lee
The Wi-Fi Eye, Part 3: Choosing the Right Servos for the Job

The Wi-Fi Eye, Part 3: Choosing the Right Servos for the Job

Part 3 of this project focuses on choosing and configuring the servos you will use to create your Wi-Fi Eye.


Projects Jul 27, 2017 by Jeremy Lee
The Wi-Fi Eye, Part 2: Firmware, Wiring, and Network Connection

The Wi-Fi Eye, Part 2: Firmware, Wiring, and Network Connection

Part two of building a device that can detect Wi-Fi signals and "react" accordingly.


Projects Jul 26, 2017 by Jeremy Lee