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Understanding and Implementing the HC-12 Wireless Transceiver Module

Understanding and Implementing the HC-12 Wireless Transceiver Module

The HC-12 is a 100mW multi-channel wireless transceiver you can use in your projects to transmit and receive serial information.


Projects Nov 02, 2016 by Mark Hughes
Many Functions, One Tool: The Analog Discovery 2 from Digilent

Many Functions, One Tool: The Analog Discovery 2 from Digilent

An introduction to the Analog Discovery 2 by Digilent.


DIY Tools—Build Your Own Logic Probe

DIY Tools—Build Your Own Logic Probe

Having a logic probe handy is always a must for an electronics workshop. But instead of buying one, why not build your own for a fraction of the cost and have it working in an hour?


Projects Sep 22, 2016 by Robin Mitchell
Build an Arduino BLE-Enabled Indoor Air Quality Monitor

Build an Arduino BLE-Enabled Indoor Air Quality Monitor

Use an Arduino/Genuino 101 with iAQ-Core air quality and HIH-6131 temperature/humidity sensors to make an Indoor Air Quality Monitor with Bluetooth low energy (BLE) connectivity.


Conversion of T Flip-Flops

Conversion of T Flip-Flops

Here we convert the given T flip-flop into SR-, JK- and D-types, and we also verify the process of conversion.


Conversion of D Flip-Flops

Conversion of D Flip-Flops

This article presents the conversions of D-type flip-flops into SR-, JK- and T-types. It also explains how to verify the conversion process.


How to Build Your Own Discrete 4-Bit ALU

How to Build Your Own Discrete 4-Bit ALU

In this project, we will build the heart of a simple 4-bit CPU, the ALU (Arithmetic Logic Unit).


Projects Aug 18, 2016 by Robin Mitchell
The CMOS Transmission Gate

The CMOS Transmission Gate

This technical brief presents a simple MOSFET configuration that can be used as a voltage-controlled switch.


Conversion of JK Flip-Flops

Conversion of JK Flip-Flops

This article teaches you how to convert a given JK flip-flop circuit to other types of flip-flops while verifying the process of conversion.


How to Build a Raspberry Pi Camera

How to Build a Raspberry Pi Camera

In part 8 of the "Building Raspberry Pi Controller" series, readers will learn how to attach a camera board to a Raspberry Pi and write Python code for photo imaging projects.


Projects Aug 01, 2016 by Don Wilcher
SR-to-D and SR-to-T Flip-Flop Conversions

SR-to-D and SR-to-T Flip-Flop Conversions

This article will teach you how to verify flip-flop conversions for SR-to-JK flip-flops. It will also guide you through the conversion and verification processes for SR-to-D and SR-to-T flip-flops.


Design Examples of FIR Filters Using the Window Method

Design Examples of FIR Filters Using the Window Method

In this article, we will discuss several design examples of FIR filters using the window method. The simulated frequency response of the designed filters will be compared with the target specifications.


Introduction to the Conversion of Flip-Flops

Introduction to the Conversion of Flip-Flops

This article describes the steps necessary to convert a given flip-flop into a desired flip-flop using the example of an SR-to-JK flip-flop conversion.


Understanding the Delta-Sigma ADC

Understanding the Delta-Sigma ADC

ADCs (analog-to-digital converters) can be described as either Nyquist-rate or oversampled converters. The Delta-Sigma ADC belongs to the oversampled family of converters. It relies upon oversampling and noise shaping to achieve high-resolution conversions.


Driving LED Arrays with an Arduino

Driving LED Arrays with an Arduino

All you need to know about LED arrays. If you want to learn about them, drive one using an Arduino, or build them, this is the place to start.


From Filter Specs to Window Parameters in FIR Filter Design

From Filter Specs to Window Parameters in FIR Filter Design

Learn how to use filter specs to help choose the best window parameters for your FIR filter design.


An Introduction to Rectifier Circuits

An Introduction to Rectifier Circuits

An important application of the diode is one that takes place in the design of the rectifier circuit. Simply put, this circuit converts alternating current (AC) to direct current (DC). This is an essential circuit in AC-to-DC power-supply design.


The Karnaugh Map Boolean Algebraic Simplification Technique

The Karnaugh Map Boolean Algebraic Simplification Technique

Learn about the Karnaugh map (K-map) technique for Boolean algebraic simplification. What advantages and disadvantages do they have?


Timing Light Sequences: Build a Traffic Light Controller with an Arduino MEGA

Timing Light Sequences: Build a Traffic Light Controller with an Arduino MEGA

Learn how to simulate a traffic light using an Arduino.


Projects Jun 22, 2016 by Joseph Corleto
Build a 4-Bit Binary Counter with 5x7 LED Matrix

Build a 4-Bit Binary Counter with 5x7 LED Matrix

In this project, you'll learn how to build a 4-bit binary counter using a 5x7 LED matrix for data count value visualization. The project will use a combination of standard electronic and surface mount components.


Projects Jun 20, 2016 by Don Wilcher