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Hardware Evaluation of a Custom Programmable Wi-Fi Controller: The WiCard

Hardware Evaluation of a Custom Programmable Wi-Fi Controller: The WiCard

This article explores the schematic design and basic features of a smart programmable wireless controller module I designed: the WiCard.


Exactly How Schmitt Trigger Oscillators Work

Exactly How Schmitt Trigger Oscillators Work

This article is intended to help readers understand the good and the bad traits of Schmitt Trigger RC oscillators, which are especially important because they are present in the internal oscillator in popular MCUs.


Considerations for FPGA Implementation of Linear-Phase FIR Filters

Considerations for FPGA Implementation of Linear-Phase FIR Filters

This article will review considerations for efficient FPGA implementation of symmetric FIR filters.


Save for Your Own Royal Wedding (of Sorts) with the Gentleman Maker’s Savings Incentivizer

Save for Your Own Royal Wedding (of Sorts) with the Gentleman Maker’s Savings Incentivizer

In this project, we'll use a Raspberry Pi to create a responsive piggy bank that belittles you when you slack on your savings!


Projects May 10, 2018 by Robin Mitchell
Basic Binary Division: The Algorithm and the VHDL Code

Basic Binary Division: The Algorithm and the VHDL Code

This article will review a basic algorithm for binary division.


Use the Xilinx CORDIC Core to Easily Generate Sine and Cosine Functions

Use the Xilinx CORDIC Core to Easily Generate Sine and Cosine Functions

This article will review integrating a Xilinx IP core into an FPGA design.


The Gentleman Maker’s Sun Informer Lets Homebodies Safely Enjoy Intermittent Sunshine

The Gentleman Maker’s Sun Informer Lets Homebodies Safely Enjoy Intermittent Sunshine

In this project, we will create the Sun Informer, a device that will alert us when the sun comes out and then alert us when we have been out for too long.


Projects Apr 26, 2018 by Robin Mitchell
What Is the Difference between Conducted and Radiated EMI?

What Is the Difference between Conducted and Radiated EMI?

This technical brief explains two distinct types of electromagnetic interference.


How to Add Bluetooth 5 to a Project with a GT-tronics BLE5 Module

How to Add Bluetooth 5 to a Project with a GT-tronics BLE5 Module

This article demonstrates a solderless-breadboard compatible carrier-board for a pre-certified BLE4 or BLE5 module made by GT-Tronics. Use it to experiment with your own BLE5 compatible designs.


Projects Apr 04, 2018 by Mark Hughes
How to Build a Particulate Matter Detector for Air Quality Measurement

How to Build a Particulate Matter Detector for Air Quality Measurement

Use a Honeywell particle sensor to measure 2.5 µm PM and 10.0 µm PM concentrations in your environment.


MIT-i Waves Goodbye with Sparkfun’s Spectacle!

MIT-i Waves Goodbye with Sparkfun’s Spectacle!

Make a Spectacle of yourself at the next Comic-Con with Sparkfun's Spectacle line-up! Anyone can use it, it's as easy as plugging in a pair of headphones!


Projects Mar 13, 2018 by Ryan Jones
How to Low-Pass Filter a Square Wave

How to Low-Pass Filter a Square Wave

This article, part of AAC’s Analog Circuit Collection, presents a circuit that is a good choice when you need to remove high-frequency noise from a digital signal.


Encoding the States of a Finite State Machine in VHDL

Encoding the States of a Finite State Machine in VHDL

This article will review different encoding methods that can be used to implement the states of an FSM.


What Exactly Is a Quartz Crystal, Anyways? A Look at Quartz Crystal Oscillators

What Exactly Is a Quartz Crystal, Anyways? A Look at Quartz Crystal Oscillators

This article explains some theory behind an extremely common electronic component.


How to Decode Manchester-Encoded Data Using Hardware

How to Decode Manchester-Encoded Data Using Hardware

This article looks at some circuits that can help you extract the original data from a Manchester-encoded signal.


How to Generate Manchester-Encoded Data in Hardware and Firmware

How to Generate Manchester-Encoded Data in Hardware and Firmware

This article discusses implementation details for a simple yet effective technique that can improve your digital communication.


Design a Custom Microcontroller Programming and Testing Board

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.


Projects Feb 25, 2018 by Robert Keim
The Why and How of Pipelining in FPGAs

The Why and How of Pipelining in FPGAs

This article explains pipelining and its implications with respect to FPGAs, i.e., latency, throughput, change in operating frequency, and resource utilization.


When a Diode Simply Isn’t Good Enough: The Superdiode

When a Diode Simply Isn’t Good Enough: The Superdiode

This article, part of AAC’s Analog Circuit Collection, discusses an interesting circuit in which an op-amp and an ordinary diode work together to create a superdiode.


Capacitive Control Panel PCB Design Considerations for TI’s MSP430FR2633 Microcontroller

Capacitive Control Panel PCB Design Considerations for TI’s MSP430FR2633 Microcontroller

This article provides a closer look at the PCB design considerations and programming of a custom capacitive touch interface device.