microcontroller

Extend PIC Microcontroller‘s RAM by without using EMI

Introduction Virtually all PIC microcontrollers have some banking mechanism to extend addressing to additional memory space. But this external data memory is not directly addressable (except in some high versions of PIC18 devices, which include PIC18F8520, PIC18F6620, etc.). In this post we describe easy to implement external memory interface for PIC microcontrollers. Theoretically most of […]

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Re-Doing my Design for a circuit to control an invention using a Microchip PIC microcontroller chips.

In a previous article I described how I designed the circuitry to control functions of the asparagus harvester. After bread boarding up a test circuit and doing some initial programming I decided a re-do was in order. I found I had a lot of unnecessary redundancy and I also decided to put the air regulation

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Microcontroller Clapper Switch

Introduction I always thought the clapper so cool. For those who are lazy like me, turn on or off the bedroom light without getting out of bed, simple clap your hands is amazing. Thinking about it I projected one for me. Several projects of clappers can be found on the Internet, and most of them

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Using the MAX6955 LED Display Driver with a PIC Microcontroller to Scroll Messages

Abstract: A circuit and program listing for using the MAX6955 LED display driver with a PIC microcontroller and 14-segment displays. The MAX6955 is an LED display driver with an I2C™-compatible, serial interface capable of supporting Fast Mode speeds up to 400kHz. It is capable of driving sixteen 7-segment, eight 14-segment, eight 16-segment or 128 separate LEDs.

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8051 Microcontroller Overview & Hardware – Tutorial #1

The intel 8051 series 8bit microcontroller, originally introduced in 1980, remains popular and has had perhaps the longest product life of all such devices. It has become the industry standard for real-time and Boolean control applications. While some (who should know better) have said that the 8051 is dead, it continues to be a viable

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Interfacing RTC with Microcontroller

Have you ever wondered how your PC and phones keep track of time even when the device is turned OFF? Well there is a Real Time Clock (RTC) that is kept powered even is the device is turned OFF. Once the device is turned ON and connected to the internet the device connects to a

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Solar tracking system using pic microcontroller

Step 1: Introduction The PV applications could be grouped according to the scheme of interaction with utility grid: grid connected, stand alone, and hybrid. PV systems consist of a PV generator (cell, module, and array), energy storage devices (such as batteries), AC and DC consumers and elements for power conditioning. The most common method uses

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PIC Microcontrollers – Programming in C

The purpose of this chapter is to provide basic information that one needs to know in order to be able to use microcontrollers successfully in practice. This chapter, therefore, doesn’t contain any super interesting program or device schematic with amazing solutions. Instead, the following examples are better proof that program writing is neither a privilege

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TinyWireMCP23008 – MCP23008 library for ATtiny85 microcontroller

If you want to know more… If you want to know more about ATtiny85 microcontroller and how to upload sketches to it, you may have a look to ATtiny85 vs ATmega328. About TinyWireMCP23008 was tested (and works) with a 8 MHz ATtiny85 and I2C standard bus mode and I2C fast bus mode. TinyWireMCP23008 was not

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Nokia 1100 LCD Interfacing with Microcontroller

Displaying content on a normal alphanumeric display is very limited ,we have to be limited with the font size and we can’t draw any graphics also. but convention Graphics lcd are really very expensive so here is the solution, you can use Nokia 1100 monochrome LCD to display your large font text and graphics .

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