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Introduction to Raspberry Pi HATs

A Raspberry Pi HAT is a circuit board placed on top of a Raspberry Pi in order additional features to the single-board computer. There are a lot of Raspberry Pi Hat available for purchase. This post will show you how to build your own Hat.

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Making Your Own ESP8266 Board

The emergence of the ESP8266 WiFi module has allowed makers and enthusiasts to create Internet-enabled projects at a minimal cost. Moreover, the popularity of the module also gave rise to commercial boards like the NodeMCU, WeMos D1, Adafruit’s Huzzah. Sparkfun’s ESP8266 Thing and many others. Practicality would make you just …

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Understanding PCB Via


Vias are very common when designing PCBs. I myself have used PCB via even before fully understanding them. In this article, I will be sharing the different types of vias and how they are actually used in PCB design.

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Uploading Gerber Files for PCB Production

In the past, I used to build project prototypes through breadboards and perfboards. However, the emergence of affordable PCB manufactures have allowed me to go away from my old ways of prototyping. In this article, I will share how I created the PCB board for my SIMPic development board through …

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SIMPic - Development Board for PIC16F877A

PIC16F7877A prototype board

I always believed that the Arduino is a development board and is its microcontroller, the ATMega328 is the one meant to be featured in actual embedded systems projects.  Nevertheless, no one can deny the advantages of boards like these as they make prototyping and debugging much easier. In this post, …

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First Use of Microchip's Curiosity HPC

Curiosity HPC

As a lifelong PIC fan, I was super thrilled when Microchip sent me a free unit of their Curiosity HPC development board. I’ve been working on PICs for years by just mounting them on breadboards and using PICKit to flash programs. This takes time and so when I’m faced with …

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Featured: DFRobot Bluno M3

DFRobot Bluno M3

Last time I featured DFRobot’s Bluno M0, an arduino compatible board with embedded bluetooth chip. Now, I will write about the Bluno M3, an STM32 powered board which strikingly looks similar to the M0. Is it the same board or does it offer more?

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What is I2C? | Protocol Guide

I2C Wiring Diagram SDA SCL

I2C, or Inter-integrated Circuit, is a communications protocol widely used by microcontrollers for interfacing with sensors, memory devices and liquid crystal displays. Similar to SPI, it's a synchronous protocol because it uses a clock line. The I2C protocol, however, uses less pins and is a much more robust standard.

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What is SPI? | Protocol Guide

SPI Timing Diagram

SPI, short for Serial Peripheral Interface, is a communication protocol common in microcontroller systems. Sensors, liquid crystal displays and memory cards are examples of devices that use SPI. It is faster than both UART and I2C although it also has its disadvantages.

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