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Test & Measurement
RGB LED Color Blending with the Cypress PSoC 6 BLE Kit
Blending colors may sound elementary but it is vital in drawing attention to your project with RGB LEDs!
November 08, 2017
Tamper Detection with Differential Inductive Sensing Coils
This article demonstrates the creation of an inductive switch cabinet lock that can detect the movement of a conductive target. The purpose is to create a door that cannot be opened without...
November 06, 2017
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....
November 02, 2017
Arduino Multitasking! How to Use Milli in Arduino Code
Delay statements are great and all, especially for their simplicity, but they can really put a damper on things when trying to multitask your Arduino. Forget delay and hop on the millis()...
October 11, 2017
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...
October 10, 2017
Testing for a Robot’s Collision Detection System with Varying Impact Resistance
We’ll use real collision data to refine the detection algorithm, and even better, we’ll confirm that the system actually works.
September 28, 2017
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.
September 25, 2017
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)....
September 21, 2017
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.
September 18, 2017
How to Use a Robot to Record and Transfer Audio Signals
This article provides detailed information on sampling audio signals and transferring the data to a PC for analysis.
September 15, 2017
Incorporating Microphone Functionality into a Robot System
In this article, we’ll look at a fairly straightforward circuit that enables a robot or other device to detect sound.
September 11, 2017
F.U.N. with B.L.E.
With all these invisible radio frequencies flying through the air, we should know a little bit about what exactly they are!
September 08, 2017
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.
September 06, 2017
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....
September 01, 2017
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...
August 31, 2017
Design a Control Board for a Romi Robot Chassis
In this article, we’ll discuss the hardware design for a robotics PCB, and we’ll write firmware for controlling two DC motors.
August 25, 2017
Design a Custom Microcontroller Programming and Testing Board
In this article we’ll discuss the design for a custom microcontroller programming/debug/extension PCB and we’ll look at an example project....
August 18, 2017
Mitigate Power Failure Programming Issues Using EERAM
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....
August 07, 2017
Fruit Drums with Circuit Playground’s Capacitive Touch Sensors
Use Adafruit's Circuit Playground to make your own fruity (drum) loops!
August 04, 2017
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.
August 03, 2017
Charles R. Hampton
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