Jun102010

Got an idea for an mobile app – win Nokia N8

Do you have an idea for a mobile application then you could win a new Nokia N8. Make My App competition is an exciting opportunity for anyone to submit ideas and compete for a chance to have their idea turned into real apps. Each week 10 most voted ideas are shortlisted. Nokia judges will then choo... [More]

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Jun042010

8051 programs for beginners-Part III

The following programs in ASM language and with proteus simulation files are at the download. 1. Timer 2. Timer & Counter 3. Timer & counter II 4. 99second Clock 5. Di-Di Alarm 6. Door Bell 7. Alarm 8. Counter design 9. External Interrupt 10. Number LEDs 11... [More]

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Jun042010

8051 programs for beginners-Part II

The following programs in ASM language and with proteus simulation files are at the download. 1. Port Handling 2. Port Handling II 3. Blink LED 4. Switch LAMP 5. Running LED 6. Running LED with table 7. Multiswitch 8. Interfacing 74LS245 9. Interfacing 74LS273 10. Port e... [More]

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Jun042010

8051 programs for beginners-Part I

The following programs in ASM language and with proteus simulation files are at the download. 1. Clear RAM 2. BCD conversion 3. ASCII conversion 4. Jump control 5. Move RAM 6. Data sorting 7. Handling negative numbers 8. BCD addition 9. BCD subtraction 10. BCD ... [More]

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Apr222010

Download and Share Microcontroller codes

Here is an website which have more than 300 microcontroller codes for 8051, AVR and PIC microcontrollers. Most of them comes with proteus simulation files. You can freely download and share your codes there. Check the site www.microcodes.info

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Feb052010

8051 Based calculator

Build your own calculator with our favorite 8051 microcontroller. This calculator can do the following operations. Can do arithmetic functions such us addition, subtraction, multiplication, division, square root, percentage calculation and memory functions. The outputs are displayed over an LCD disp... [More]

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Jan222010

Home made square-wave generator and frequency meter

This project can generate a square wave and also measure it. Two microcontrollers are used in this circuit, one to generate square wave and other to measure and display the frequency of the square wave. AT89C2051 is used to generate square wave and AT89S52 is used to measure the frequency and displa... [More]

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Jan012010

Happy new year 2010

Fulfilment in the New Year Here’s to the outgoing year, 2009:  May the good times live on in our memories, and may we learn lessons from the troubling times that will make us stronger and better than ever. Here’s to 2010: For each and every one of us, may it be filled with signifi... [More]

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Dec312009

Using AT89C2051 Internal comparator as A/D converter

This article explains how to use the Internal comparator of the AT89C2051 microcontroller into an A/D convertor. You all may know that the AT89c2051 microcontroller has an internal comparator connected to the pins P1.0 and P1.1 and the comparator output is connected to P3.6 internally. In some appl... [More]

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Dec222009

AT89C2051 based Capacitance meter

AT89C2051 is the simplified chip of AT89C51, which has only 2 ports. Although AT89c2051 is same as AT89C51 it has an on-chip voltage comparator. With this comparator we can make more additional functions such us analog to digital conversion and so on. In this article an digital capacitance meter has... [More]

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