Welcome to ermicroblog

Saturday August 19, 2017





Are you looking for something fresh, update and simple explanation on the microcontrollers and electronics concept?

Here at ermicroblog we always bake fresh new projects, tutorials, and ideas. Any sugestions and comments would be most welcome.

Have a pleasure reading and hope you enjoy visiting ermicroblog.



Feature Video






July 2017 Top 10 Pageviews

  • Using Transistor as a Switch
  • Working with the Comparator Circuit
  • The LM324 Quad Op-Amp Line Follower Robot with Pulse Width Modulation
  • Working with Atmel AVR Microcontroller Basic Pulse Width Modulation (PWM) Peripheral
  • Using Serial Peripheral Interface (SPI) Master and Slave with Atmel AVR Microcontroller
  • Basic Servo Motor Controlling with Microchip PIC Microcontroller
  • Using Serial Peripheral Interface (SPI) with Microchip PIC18 Families Microcontroller
  • Integrating Wiznet W5100, WIZ811MJ network module with Atmel AVR Microcontroller
  • How to use I2C-bus on the Atmel AVR Microcontroller
  • H-Bridge Microchip PIC Microcontroller PWM Motor Controller


  • e-Book


    Basic User’s Experiment Note


    Robot Building for Beginners book by David Cook

    The “Basic User’s Experiment Note” is based on the popular 8-bit Atmel AVR ATmega328P microcontroller using AVRJazz 28PIN development board. This ebook covering most of the Atmel AVR ATmega328P microcontroller features and it’s aimed for the beginners, hobbyist, or anyone who wants to learn and understand the 8-bit Atmel AVR ATmega328P microcontroller powerful features. Read more »




    Latest Entry



    The Year 2010 End Notes

    Saturday December 25, 2010 by , under Blognote.

    This year is one of interesting year for the ermicroblog readers, as we all could start to learn how to make use of Ethernet connection with the embedded system such as Integrating Wiznet W5100, WIZ811MJ network module with Atmel AVR Microcontroller project also this year I continue to post some basic electronics knowledge such as Working with the Comparator Circuit project and I will continue to post both advance embedded system project as well as the basic electronics knowledge on the year 2011. As you might notice that during this year I also update one of the most visited articles Using Transistor as Switch to include the TIP121 H-Bridge and Driving Stepper Motor circuits; I will continue to apply this similar style to other articles with the necessary and updated information. Read more »

    No Comments

    Using Serial Peripheral Interface (SPI) with Microchip PIC18 Families Microcontroller

    Sunday September 12, 2010 by , under Microcontroller.

    The Serial Peripheral Interface (SPI) is one of the popular embedded serial communications widely supported by many of today’s chip manufacture and it considered as one of the fastest serial data transfer interface for the embedded system. Because of its special in/out register configuration, the SPI master device could transfer its data and at the same time it receive a data from the SPI slave device with the clock speed as high as 10 MHz. Beside its superior data transfer speed; SPI also use a very simple data transfer protocol compared to the other serial data transfer methods. Read more »

    5 Comments

    Integrating Wiznet W5100, WIZ811MJ network module with Atmel AVR Microcontroller

    Saturday July 31, 2010 by , under Microcontroller.

    The rapid penetration of the internet networks into many of today’s modern homes and personal gadgets (e.g. smart phone and smart pads) opening a tremendous useful and interesting embedded system application that could be integrated into our house or known as the intelligent house. For example by putting a small embedded system web server in our house, we could easily monitor such as alarm, temperature or even turn on/off the lamp or the garden’s water sprinkle; eventually from any remote location through the wireless personal gadget; Or perhaps you just want to impress your relative or friend with a very accurate digital clock which automatically synchronized the time through the Network Time Protocol (NTP) over the internet at your home or office. Read more »

    64 Comments

    Stepping Into the 16-bit World with the Microchip 16-bit PIC24F16KA102 Family Microcontroller

    Monday May 31, 2010 by , under Microcontroller.

    One of the commonly asked questions when we move to the bigger and powerful 16-bit microcontroller is do we really need it? As the 8-bit microcontroller is already suite almost all of our needs from a simple blinking LED to more sophisticated embedded application such as robotics. Despite the debate whether to use the 8-Bit or 16-Bit microcontroller or perhaps just go straight to 32-bit microcontroller in our embedded system design, first I will show you the Microchip PIC18F25J11 (8-Bit) and PIC24F16KA102 (16-bit) basic comparison. Read more »

    4 Comments

    Building your own Simple Laser Projector using the Microchip PIC12F683 Microcontroller

    Tuesday April 13, 2010 by , under Microcontroller.

    The 8 pins PIC12F683 microcontroller is one of the smallest members of the Microchip 8-bit microcontroller families but equipped with powerful peripherals such as ADC and PWM capabilities. This make this tiny microcontroller is suitable for controlling the DC motor speed. In order to demonstrate the PIC12F683 capabilities and to make this tutorial more attractive, I decided to use the PIC12F683 microcontroller to generate simple and yet fascinating laser light show from a cheap keychain laser pointer. Read more »

    32 Comments

    Working with the Comparator Circuit

    Monday March 15, 2010 by , under Electronics.

    Sometimes in the embedded system world we need to process the analog world and sending the signal to the microcontroller when the analog signal exceed some predetermine limit we’ve set. Some example of this situation is to send the interrupt signal to the microcontroller operation when the temperature is already exceeds certain limit or the light intensity exceeds certain bright level. This is when the comparator circuit becomes handy as it’s designed specially for this purpose. Read more »

    20 Comments

    Build Your Own Simple and Easy PICAXE Microcontroller Based Photovore Robot

    Thursday February 04, 2010 by , under Robotics.

    Building a simple and easy microcontroller based robot is always a fascinating topic to be discussed, especially for the robotics newbie enthusiast. On this tutorial I will show you how to build your own microcontroller based robot which known as a photovore or you could call it as the light chaser robot using the simplest possible circuit for the microcontroller based robot brain, locomotion motor and the sensor. Read more »

    31 Comments


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