Latest Technical Articles

In this article, we’ll develop and test an algorithm for automatically shutting down a robot in response to a collision…

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).

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

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

This article provides detailed information on sampling audio signals and transferring the data to a PC for analysis.

This article provides detailed information on sampling audio signals and transferring the data to a PC for analysis.

This article introduces the analog-to-digital conversion required to compress speech for transmission across telephone systems.

This article introduces the analog-to-digital conversion required to compress speech for transmission across telephone systems.

In this article, we’ll look at a fairly straightforward circuit that enables a robot or other device to detect sound.

In this article, we’ll look at a fairly straightforward circuit that enables a robot or other device to detect sound.

With all these invisible radio frequencies flying through the air, we should know a little bit about what exactly they are!

With all these invisible radio frequencies flying through the air, we should know a little bit about what exactly they are!

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

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

An accelerometer can be a valuable addition to a robotics project. This article will show you one approach to generating…

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

This project uses a C8051 microcontroller development kit, an accelerometer evaluation board, and Simplicity Studio…

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.

This article will review the basics of the decimation-in-time FFT algorithms.

This article will review the basics of the decimation-in-time FFT algorithms.

In this article, we’ll discuss the hardware design for a robotics PCB, and we’ll write firmware for controlling two DC motors.

In this article, we’ll discuss the hardware design for a robotics PCB, and we’ll write firmware for controlling two DC motors.

This article will review the use of window functions to alleviate the DFT leakage.

This article will review the use of window functions to alleviate the DFT leakage.

This article attempts to give a deeper insight into the interpretation of DFT (direct Fourier transform) output.

This article attempts to give a deeper insight into the interpretation of DFT (direct Fourier transform) output.

In this article, we’ll discuss a few elementary signal operations by considering one of the signals to be constant-valued.

In this article, we’ll discuss a few elementary signal operations by considering one of the signals to be constant-valued.

Learn the difference between slow decay mode and fast decay mode, why these names are used, and how they influence motor…

Learn the difference between slow decay mode and fast decay mode, why these names are used, and how they influence motor deceleration.

In this how-to article, we explore the use of I2C EERAM to save critical program variables when power fails and restore…

In this how-to article, we explore the use of I2C EERAM to save critical program variables when power fails and restore them when power returns to easily preserve program continuity.

Use Adafruit's Circuit Playground to make your own fruity (drum) loops!

Use Adafruit's Circuit Playground to make your own fruity (drum) loops!

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

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

The latest Bluetooth Specification provides features that allow increased speed and increased transmission distance. This…

The latest Bluetooth Specification provides features that allow increased speed and increased transmission distance. This article provides information about the various bit data paths used in the latest specifications.