Part 1 in the “How to Make an EFM8-Based Sound Synthesizer” series, which will design a sound synthesizer that can play standard musical notes. We will…
Part 1 in the “How to Make an EFM8-Based Sound Synthesizer” series, which will design a sound synthesizer that can play standard musical notes. We will accomplish this using a low-cost, small-form-factor EFM8 microcontroller in conjunction with a few external components and a speaker.
In this article I will discuss what switch bounce is and some ways to deal with it. First I will take you through the…
In this article I will discuss what switch bounce is and some ways to deal with it. First I will take you through the theory, and later I will show you some ways to handle it in both hardware and in software.
Part 5 in the “How to Make an Ambient Light Monitor” series.
Part 5 in the “How to Make an Ambient Light Monitor” series.
Learn how to set up the Wunderbar platform to begin building your own IoT apps. This will demonstrate the "Can't Touch…
Learn how to set up the Wunderbar platform to begin building your own IoT apps. This will demonstrate the "Can't Touch This" and "Tell Me When" demo applications to measure WunderBar sensors and perform actions based on them. Some of the major bugs are discussed.
Getting started with PSoC®, the Programmable-System-on-Chip by Cypress Semiconductor for developing and testing embedded systems.
Getting started with PSoC®, the Programmable-System-on-Chip by Cypress Semiconductor for developing and testing embedded systems.
This is the first in a multi-part series on writing PICAXE BASIC code. This article covers how to read PICAXE pin-out…
This is the first in a multi-part series on writing PICAXE BASIC code. This article covers how to read PICAXE pin-out diagrams, a circuit for coding practice, and the general program format.
Create a smart home by displaying the current salt level of your water softener with the CC3200 and a proximity sensor.
Create a smart home by displaying the current salt level of your water softener with the CC3200 and a proximity sensor.
This article is part 2 of a two-part series that introduces the tools and techniques for programming PICAXE…
This article is part 2 of a two-part series that introduces the tools and techniques for programming PICAXE microcontrollers. Part 1 focused on construction of a test circuit and the AXEpad IDE; part 2 covers the PICAXE Editor 6 IDE.
Beaglebone Black is the most recent incarnation of the Beaglebone open source hardware platform. For less than $50, the…
Beaglebone Black is the most recent incarnation of the Beaglebone open source hardware platform. For less than $50, the board includes Ethernet, graphics processing, 4Gb of nonvolatile storage, and ports supporting USB, HDMI, and Beaglebone's custom I/O add-ons, called "capes". Here's how to run some simple commands to toggle digital I/O on the board!
This is one simple way to control a LED, fan, relay or solenoid with a computer and a PIC.
This is one simple way to control a LED, fan, relay or solenoid with a computer and a PIC.
How to read humidity and temperature from a DHT11 and display it on a LCD with a PIC microcontroller. In this example…
How to read humidity and temperature from a DHT11 and display it on a LCD with a PIC microcontroller. In this example we're going to use a PIC16F628A.
This article is part 1 of a two-part series that introduces the tools and techniques for programming PICAXE…
This article is part 1 of a two-part series that introduces the tools and techniques for programming PICAXE microcontrollers. Part 1 focuses on construction of a test circuit and the AXEpad IDE; part 2 will cover the PICAXE Editor 6 IDE.
Integrated Development Environments (IDEs) are software applications that provide a programming environment to streamline…
Integrated Development Environments (IDEs) are software applications that provide a programming environment to streamline developing and debugging software programs.
Learn how to use an EFM8 microcontroller to convert current and voltage measurements to digits that can be displayed on…
Learn how to use an EFM8 microcontroller to convert current and voltage measurements to digits that can be displayed on an LCD. We'll discuss a convenient way to report analog-to-digital conversion values that represent current and voltage amplitudes.
Use the EFM8’s USB functionality to transfer an image from your PC to an LCD.
Use the EFM8’s USB functionality to transfer an image from your PC to an LCD.
Learn how to connect your device with Linux Screen using the built-in Lua interpreter to set up the file system and…
Learn how to connect your device with Linux Screen using the built-in Lua interpreter to set up the file system and connect to the network. Then, learn how to automate the scripting process with Luatool and put it all together with a basic TCP server that can interact with a pulse-width modulated LED, a potentiometer, and a switch.
Compile and install NodeMCU on the ESP8266 IoT chip using Linux tools and the ESP Open Source SDK
Compile and install NodeMCU on the ESP8266 IoT chip using Linux tools and the ESP Open Source SDK
Introduction to the Arduino SPI Library with example sketch for the LTC1286 12 Bit ADC and the DAC714 16 bit DAC.
Introduction to the Arduino SPI Library with example sketch for the LTC1286 12 Bit ADC and the DAC714 16 bit DAC.
Many embedded applications benefit from a communications interface that allows for convenient data transfer between a PC…
Many embedded applications benefit from a communications interface that allows for convenient data transfer between a PC and a microcontroller. This article explains how to use the virtual COM port library from Silicon Laboratories to send data from a Windows application to an EFM8 microcontroller.
Learn how to design characters using an image editor and display them on an LCD controlled by an EFM8 microcontroller.
Learn how to design characters using an image editor and display them on an LCD controlled by an EFM8 microcontroller.