Part One in this two-article series focuses on the hardware setup and on using a pulse-width-modulated signal to control a servo.
Part One in this two-article series focuses on the hardware setup and on using a pulse-width-modulated signal to control a servo.
Build a generator-powered LED headlight for a longboard for very cheap.
Build a generator-powered LED headlight for a longboard for very cheap.
Learn how to build a device which senses when your computer monitor is physically rotated, and automatically tells your…
Learn how to build a device which senses when your computer monitor is physically rotated, and automatically tells your computer to rotate the display accordingly.
This article provides additional details related to code development, hardware configuration, and the OLED interface.
This article provides additional details related to code development, hardware configuration, and the OLED interface.
Learn about basic procedures and techniques for creating your own projects with Atmel’s SAM4S Xplained Pro development platform.
Learn about basic procedures and techniques for creating your own projects with Atmel’s SAM4S Xplained Pro development platform.
Over-voltage and over-current protection circuit for use with the C-BISCUIT platform's main computer, the Wandboard.
Over-voltage and over-current protection circuit for use with the C-BISCUIT platform's main computer, the Wandboard.
In this article, we will use a simple, proven tuning procedure to find effective values for proportional, integral, and…
In this article, we will use a simple, proven tuning procedure to find effective values for proportional, integral, and derivative gain.
Readers will learn how to wire a standard 16x2 LCD (liquid crystal display) to a Raspberry Pi to display messages.
Readers will learn how to wire a standard 16x2 LCD (liquid crystal display) to a Raspberry Pi to display messages.
No I2C interface with that sensor? No problem. Program a PIC chip as an I2C slave device for custom sensor and I/O…
No I2C interface with that sensor? No problem. Program a PIC chip as an I2C slave device for custom sensor and I/O interfacing. Here, we use three DHT22 sensors on a single I2C interface.
We will explore how P, I, and D gain influences system performance, and in the process we will find a gain configuration…
We will explore how P, I, and D gain influences system performance, and in the process we will find a gain configuration that works well for our temperature controller.
Design and theory behind the 5V-3A buck regulator based on the LM25575 to be used in the C-BISCUIT robot project.
Design and theory behind the 5V-3A buck regulator based on the LM25575 to be used in the C-BISCUIT robot project.
With USB communications and a Scilab graphical user interface, we can really see what the PID controller is doing.
With USB communications and a Scilab graphical user interface, we can really see what the PID controller is doing.
We will implement a basic PID (proportional–integral–derivative) controller in firmware and observe the results using…
We will implement a basic PID (proportional–integral–derivative) controller in firmware and observe the results using an oscope and LEDs.
While the C-BISCUIT project is far from complete, it's already come a long way, seeing numerous ideas and design goals in…
While the C-BISCUIT project is far from complete, it's already come a long way, seeing numerous ideas and design goals in the process. This article will discuss some of these.
Soldering surface mount components by hand can be done, but reflow soldering in an oven is much quicker and produces more…
Soldering surface mount components by hand can be done, but reflow soldering in an oven is much quicker and produces more consistent results. Building a microprocessor controlled reflow oven is well within the abilities and budget of many hobbyists.
This article covers the firmware that allows the EFM8 microcontroller to communicate with the DAC and the MAX31855.
This article covers the firmware that allows the EFM8 microcontroller to communicate with the DAC and the MAX31855.
A toaster oven can do more than just make toast; guided by a PICAXE microcontroller, it can make a sweet reflow soldering station.
A toaster oven can do more than just make toast; guided by a PICAXE microcontroller, it can make a sweet reflow soldering station.
This is the beginning of a multi-part, multi-author series on how to build your own robotics platform called C-BISCUIT,…
This is the beginning of a multi-part, multi-author series on how to build your own robotics platform called C-BISCUIT, an acronym for Collaborative Bot with Integrated System Core, Unmanned Interactivity, and Telemetry -- based on the Wandboard Quad computer.
Learn how to collect and process RGB data generated by the BH1745NUC color sensor IC.
Learn how to collect and process RGB data generated by the BH1745NUC color sensor IC.
Display colors by precisely controlling the intensity of red, green, and blue LEDs.
Display colors by precisely controlling the intensity of red, green, and blue LEDs.