Microcontroller are widely used in electronics gadget and are one of the key element in developing any project and thus this project used 8051 microcontroller and will help in teaching about interfacing of temperature sensor with ATMEL microcontroller by means of ADC, to display the temperature on a 16×2 LCD and to rotate a DC […]
DC Motor Control using Temperature Sensor & 8051 Microcontroller Read More »
The Virtual Wallis a circuit to mimic the behaviour of the iRobot Virtual Wall/Lighthouse, provided with the robot. It produces the same infrared pattern and the robot sees it as another virtual wall, blocking its path, while vacuuming. This circuit was built mostly using SMD components to reduce its size, nearly to the size of
Small Virtual Wall for iRobot Roomba using PIC12F629 Read More »
Table of Content: Frequency Reference Frequency Actual Subtraction and Comparator Digital Outputs Integrator Transistors Q2…Q4 Connection to Oscillator How to tune? PIC SW in the frequency counter Final test RB2 Function Is this worth to build it? Pictures are better readable locally with appropriate viewer, so we suggest download them first This PIC software combines
PIC Frequency Counter with Frequency Lock function Read More »
This post provides an example code to use PIC16F84A pins as inputs. After going through this example, you will understand how to make PIC16F84A pins as inputs and how to read their value in the code. This code is written in C language using MPLAB with HI-TECH C compiler.You can download this code from the ‘Downloads‘
How to use PIC16F84A pin as input (Code+Proteus simulation) Read More »
HOW DOES IT WORK & CIRCUIT SCHEMATIC Everybody knows the speed of the sound in the dry air is around 340 m/s. Send a short ultrasonic pulse at 40 Khz in the air, and try to listen to the echo. Of course you won’t hear anything, but with an ultrasonic sensor the back pulse can be
A Cheap Ultrasonic Range Finder Read More »
The synchronizer ensures a contact-free, optical synchronization of external photographic flashguns. The triggering of the external flash is derived from embedded flashes of a camera. It can be used for both digital and “analogous” cameras or for a remote synchronization of the actual flash units. Its use is optimal especially with digital cameras (DC), where
A Programmable Optical Slave Flash Trigger for Digital Cameras with Processor PIC 12F675 Read More »
For a while we have been sharing many electronic projects for engineering students and then we found out there was a huge demand for embedded projects, especially PIC microcontroller based projects. After a short break, here is another outstanding one that is not only suitable for electronics engineering but mechanical engineering students too. Now coming
Car Anti theft System Project using Microcontroller PIC16f73 Read More »
This project has only a few modifications from the “Single Chip, Four Channel Datalogger” article by Dan Gravatt in the 2008 January Issue of Nuts&Volts (page 42), so I won’t go into much detail. Below is the schematic. The changes from Dan’s datalogger are that I used the PIC16F886, which is pin-compatible with the PIC
1-Chip 4-Channel PIC16F886 Data Logger Read More »
At the start of this series of posts, I said I did not want a PC to control my Milling Operations, so some local delivery method of supplying the gcode files is required. Having said that, the system is ‘open’, and a simple XON/XOFF terminal program running on a PC can be used if required.
Converting a Proxxon MF70 Milling Machine To CNC – 4 using PIC24FJ64GB002 Read More »
Aurora 9 bar – The Essence of Aurora Since the introduction of Aurora 9×18, I received many requests for the kits and PCBs. I’m still quite undecided about making those available for a few reasons. However I really want other LED lovers (ok that might sound too much to be able to build one themselves.
Aurora 9 bar – The Essence of Aurora using PIC24F08KA microcontroller Read More »
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