Circuits & Schematics Microcontrollers Usage: avr - 6

51. Intelligent temperature monitoring and control system using AVR microcontroller. Part 1 - Schematic
    Circuits Automation Microcontrollers Usage
    .. utilize it intelligently unlike analogue controllers. Figure 1. Intelligent temperature monitoring and control system using AVR microcontroller. Here are the features of our controller: Audio-visual setup for setting temperature limits. Fault ...
    14-08-2012

52. Intelligent temperature monitoring and control system using AVR microcontroller. Part 2 - Firmware
    Circuits Automation Microcontrollers Usage
    .. with key press is made universal throughout the entire code. The adc_avg() function takes 64 samples of channel 0 of the AVR’s built-in ADC and makes the average of these samples to reduce noise and ensure accuracy. This function ...
    15-08-2012

53. AVR frequency meter - from 1Hz to 10MHz
    Circuits Measurement Microcontrollers Usage Atmel ATtiny2313
    .. can be bought anywhere, and with a small size that allow it to be mounted in the panel on any device (Figure 1). Figure 1. AVR frequency meter - from 1Hz to 10MHz The circuit consists of seven 7-segment displays, Atmel AVR ATtiny2313 ...
    17-05-2013
54. AVR takes under 1µs to process quadrature encoder
    Circuits Microcontrollers Usage
    .. requires dedicated hardware. This Design Idea shows a simple scheme to accomplish this function using only an ATtiny2313A AVR microcontroller. Of course, the microcontroller can also be connected to other devices via the serial interface, or ...
    25-05-2016
55. XXI Century Sundial - Now for Arduino also
    Circuits Domestic Laser MCU Open-Source Platforms Microcontrollers Usage Arduino
    .. and ask. J4 is necessary to program the micro with the In Circuit Serial Programming faciliy like the one provided by the AVR Dragon debugger. If you have the micro already programmed (by a friend, say) you don’t need to mount that. ...
    10-06-2009
56. MP3stick - MP3 Player
    Circuits Audio Microcontrollers Usage ATMega128 MAX1811
    .. MP3stick is a simple and small portable MP3 player. A microcontroller Atmel AVR ATmega128 is the heart of the circuit. MP3 decoding is done by an VLSI VS1011b decoder IC. A MMC/SD card works as ...
    18-10-2007
57. USB interface for parallel LCDs
    Circuits Interfaces Microcontrollers Usage FT232BM ATtiny2313
    .. you to use already existing software to speak to the LCD, for example the popular program LCD Smartie . The circuit uses an AVR microcontroller, the tiny2313, and a USB chip from FTDI. The usb chip creates a virtual COM port on the computer. ...
    15-01-2010
58. ATmega48/88/168 Development Board
    Circuits Microcontrollers Usage
    .. is versatile development board for AVR microcontrollers ATmega 48/88/168. It is good for testing and debugging embedded programs. It has many built-in ...
    16-04-2008
59. Portable Password Generator
    Circuits Microcontrollers Usage Security
    .. press-the-button-and-read-the-password device. Pass Key is an attempt at satisfying this requirement. Built from a modified AVR development board manufactured by Olimex, Pass Key is a sweet little 5 V “candy bar” style computer ...
    03-09-2008
60. This Finder's a Keeper
    Circuits Microcontrollers Usage Domestic
    .. and solder the former LED wires to the beeper circuit. Here's the code for the beeper (it's written in BASCOM-AVR BASIC): 'Beep a buzzer w/ATtiny13 Config PORTB = Output PORTB = 0 Do Sound PORTB.0 , 60000 , 5000 Loop End 5. ...
    15-01-2009

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