ATmega8535 Line Follower Robot
This is the circuit diagram of Line Follower / Line Tracker robot. The circuit taken from the tutorial documentation. You may download the full tutorial at the ...
atmega32 circuit
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The MSC1210 Typical External Reset Circuit Schematic
and Flash Memory schematic that can be done from the following sources: power-on reset, external reset, software reset, watchdog timer reset, and brownout reset...
Temperature ControlCircuit using Microcontroller and Heater Driver
The electrical circuit diagram of this temperature control circuit consists 3-pin analog temperature sensor (LM35DZ), a built-in A/D converter microcontroller (...
Stepper motor controller Based On The PIC16F84A IC
The following circuit shows about Stepper motor controller. This circuit based on the PIC16F84A IC. Features: transistor is used to drive the ....
Simplest atmega8 programmer Using LPT Port
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 ...
Simple Serial AVR Programmer
This simple AVR Programmer able to transfer hex programs to most ATMEL AVR microcontrollers. It is more reliable than most other simple AVR programmers availabl...
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Serial EEPROM Interfacing (AT24C08 with AT89C2051)
Many designers today are implementing embedded systems that require low cost non-volatile memory. Microchip has addressed this need with a full line of serial E...
PlayPIC
This is a new design of a tutorial board based on the popular PIC16F84A microcontroller. It features eight single leds, a 7-segment display, an LCD display and ...
PlayPIC
The new design of a tutorial board based on the popular PIC16F84A microcontroller. Have a features eight single leds, an LCD display and five push ....
Interfacing PC keyboard to AVR microcontroller
In many situations you need some kind of human interface to your microcontroller project. In this example is interfacing AVR microcontroller to standard PC AT k...
Interfacing LCD to Atmega using two wires
This is not new Idea of interfacing LCD using two wires, but it can help in many situations when there is not enough of microcontroller pins. This example is ba...
Interface multiple keys with one wire and save pins of MCU
Usually keyboard is connected by using matrix type of connection a‚ rows and columns. For instance for 12 button keyboard wee need 3 4 digital inputs of micro...
ISP Programmer for ATmega32 Microcontroller
ISP programmer with circuit diagram for AVR Atmega32 micro controller.This ISP burner circuit is an adaptation of Pony programmer and uses ponyprog software...
Flash programming of AT89 microcontrollers using ISP adapter
Microcontrollers family AT89C has parallel programming interface of flash memory. In order to write information we need to supply programming voltage 12V and fo...
Fire Fighting Robot (AT89S52)
The need for a device that can detect and extinguish a fire on its own is long past due. Many house fires originate when someone is either sleeping or not home....
EPROM adapter for ATMEL 89 Series Flash Microcontroller Programmer Ver 2.0
Diode D1 and resistor R1 provide the VDD isolation when programming the 24 pin devices. The jumper J3 must be shorted for 24 pin devices, and open circuit for 2...
Drive relay with AVR microcontroller
To drive relay you need more than 20mA the current can one pin drive. This is why you cannot connect relay directly to microcontrollers pin. To drive relay you ...
Digital Calender Circuit
Here is calendar digital circuit. this circuit using Microcontroller is an advanced digital calendar, which displays the Date, Day, Month over the LED display. ...
Control 7 segment LED displays with AVR
LED displays are nothing more than sets of Light Emitting Diodes. The difference is that they have different shapes in order to display specific information. So...