Page 12 about microcontroller | |
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Stepper motor is a simple way to make a motion control with high precision. A stepper motor control circuit is needed to make stepper motor works. A stepper.... -
This circuit is intended to program AVR controllers such as the AT90S1200 via the parallel port. The circuit is extremely simple. IC1 provides buffering for the signals that travel from the parallel port to the microcontroller and vice versa. This is.... -
Hello, My goal is to control a 12 VDC device (on/off) from a microcontroller using a relay card. The relay needs 12 VDC operating power (I use the.... -
This simple robot, which responds to light and avoids obstacles, can be built without using a microcontroller, programmer or PC. The only special` component in the circuit is a window discriminator (a fancy version of a window comparator). Resistors R1 and.... -
National Instruments Multisim now has microcontroller unit co-simulation capabilities, allowing you to include a microcontroller, programmed in assembly or C code, within your SPICE modeled circuit. The MCU functionality in Multisim enables students,.... -
This circuit will provide electric power from a backup battery when AC power is cut, always providing a clean 5V power supply for sensitive equipment like microcontrollers and logic circuits. The value of C1 is to be higher than 220 µF. The bigger the.... -
Another feature of this circuit is that you can use the keys "1, 2, 3, 4" of a Philips TV IR remote to turn on or off three relays, The key `4` is used to turn on or off the over temperature alarm. package. LM35 can sense temperature from 0 C to 100 C but it.... -
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A circuit such that the microcontroller can toggle a GPIO pin and shut the whole system (including microcontroller itself) down. And when the user presses a momentary button, the power is brought back up again. The circuit is normally powered down. When the.... -
It is obvious, a slice of SM2965 includes canonial 80C32, FLASH, E2PROM 28SF512, SRAM static data storage And WDT watchdog`s timer SM2965 is that the cost performance is extremely quite high The one piece Computer. And its ISP characteristic makes FLASH.... -
In this Tutorial we are using atmega8 with 4 MHZ Crystal and unipolar stepper motors, ULN2003 is Darlington pair driver I.C s used .. -
An infrared remote control car, the AT89S51 microcontroller as the core controller, DC motor with L289 drivers work to control the operation of car in this section with infrared remote control manual car driving, autopilot, tracing forward and other.... -
hi this my 1st post here. topic is a watch crystal oscillator for PIC (microcontroller). i do not want to use logic gates. here the circuit (a thread.... -
The LM35 series are precision integrated-circuit temperature sensors, whose output voltage is linearly proportional to the Celsius (Centigrade) temperature. The output of sensor converted to digital that easy connecting with microcontroller. Fig. 1 shows how.... -
Digital Thermometer 0-100. 0 °C is a digital thermometer that operates in mode temperature measurement in Celsius ( ° C). Digital Thermometer 0-100. 0 ° C in this article uses data processor in the form of a microcontroller AT89C4051. Temperature sensors.... -
This simple AVR Programmer will allow you to transfer hex programs to most ATMEL AVR microcontrollers without sacrificing your budget and time. It is more reliable than most other simple AVR programmers available out there and can be built in very short.... -
This is a good Electronic project report on Speed Control of DC Motor using Microcontroller by using PWM. In this system, a micro controller is interfaced with a LCD, Keypad and DC motor driver. The Micro controller is used for controlling the DC motor by.... -
In this self-explanatory schematic you can see decoupling capacitor on the right, which must be as close to microcontroller`s power pins as possible; crystal oscillator, which is optional, because you can use internal RC oscillator or external clock signal,.... -
This project based on Atmel AT89C52 and Dallas real-timeclock (RTC) chip DS12887 can be used to control and remotely program the switching operation of 24 electrically operated devices. The devices can be switched on/off at precise times repeatedly every.... -
It s entirely logical that low-cost miniature microcontrollers have fewer ˜legs than their bigger brothers and sisters some-times too few. The author has given some consideration to how to economise on pins, making them do the work of several. It occurred.... -
Simple 0-5 digital voltmeter using 8051 (AT89S51 microcontroller) with circuit diagram and assembly language ASM code. Simple digital voltmeter.... -
It`s entirely logical that low-cost miniature microcontrollers have fewer legs` than their bigger brothers and sisters some-times too few. The author has given some consideration to how to economise on pins, making them do the work of several. It occurred.... -
The aim of developing this project is to control the speed of DC motor. The main advantage in using a DC motor is that the Speed-Torque relationship can be varied to almost any useful form. To achieve the speed control an electronic technique called Pulse.... -
This interface design comes a long way. This is in fact the first microcontroller design I`ve ever started. Somehow it kept going with me during past few years. I probably drew the first lines of the schematics diagram of the first prototype in early 1998..... -
Atmega 128 is like other AVR microcontrollers. They are ISP is in-system programmable. Earlier I wrote an article about AVR ISP programmer where 74HC244 buffer is used. Using buffer is safer for your AVR. But what if you need 128 atmega programmer without.... -
As you can see, there are few parts to this design, really just the ATmega328p-pu microcontroller and the LCD display. Both of them require a steady +.... -
The circuit our localizer is based on consists only of a quad-band GSM/GPRS module interfaced with a a microchip microcontroller which, after initializing the I/Os and UARTs it has at its disposal, puts the main program in a loop waiting for some event,.... -
Dual channel thermometer is simple PIC ADC based project. It`s a inexpensive thermometer with low cost components. Don`t used any high sensitive or high cost sensor for thermometer. I am using only simple silicon diode. Dual channel means this thermometers.... -
Most Atmel AVR microcontrollers can be programmed via their in-built serial programming interfaces (SPI). This method is ideal for in-situ programming, such as might be used in manufacturing or for firmware development or field upgrades. In this scenario,....
