Latest PCBs Technical Articles

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.

In part 4 of this Build Raspberry Pi Controllers series, the reader will learn how to build an IR Remote Event counter…

In part 4 of this Build Raspberry Pi Controllers series, the reader will learn how to build an IR Remote Event counter using littleBits.

Tips and techniques for incorporating EFM8 microcontrollers into your custom hardware.

Tips and techniques for incorporating EFM8 microcontrollers into your custom hardware.

Whether for cooking or reflow soldering, a thermocouple is often the best choice for a high temperature sensor. The…

Whether for cooking or reflow soldering, a thermocouple is often the best choice for a high temperature sensor. The MAX31855, a PICAXE-08M2, a serial LCD, and a few lines of code will do the trick.

Build an LED chaser with a little twist: we'll be using a microcontroller and an LCD along with the usual 4017 counters.

Build an LED chaser with a little twist: we'll be using a microcontroller and an LCD along with the usual 4017 counters.

The intuitive, step-by-step procedure presented in this article will help you to successfully perform reflow soldering in…

The intuitive, step-by-step procedure presented in this article will help you to successfully perform reflow soldering in your toaster oven.

The FRDM-K64F is a development platform which utilises the MK64FN1M0VLL12 microcontroller. This tutorial includes how to…

The FRDM-K64F is a development platform which utilises the MK64FN1M0VLL12 microcontroller. This tutorial includes how to download a simple blinky example onto the FRDM-K64F using the ARM mbed online IDE and KEIL MDK. Details of the GPIO module configuration are included.

A PCB for a Wi-Fi communicator using a PICAXE 08M2 and an ESP-01 module driven by interactive code makes a handy setup…

A PCB for a Wi-Fi communicator using a PICAXE 08M2 and an ESP-01 module driven by interactive code makes a handy setup for data collection and IoT reporting.