Circuits & Schematics Microcontrollers Usage: avr - 7

61. Using Google Maps with a Mobile GPS Tracker
    Circuits Wireless Microcontrollers Usage
    This post will show you, how to use this equipement to send an SMS with your current position and how to display it in Google Maps. How does it work? The controllers serial port is attached to the serial port of the GM862 module. This way the ...
    14-01-2009

62. Microcontroller Measures Resistance Without an ADC
    Circuits Measurement Microcontrollers Usage Atmel Tiny13V Tiny13
    .. from 1 mΩ to 10 MΩ. Figure 1 illustrates a circuit for resistance measurement. The circuit uses an eight-pin AVR microcontroller, a Tiny13 V from Atmel, for the controller. The Tiny13V works over a supply-voltage range of 1.8 to ...
    01-02-2009

63. Ghetto Development Environment
    Circuits Microcontrollers Usage
    .. while back, I posted up a quick and dirty el cheapo method of getting started programming the Atmel AVR series chips: Ghetto Programmer (version 1.0) Since then, I've vamped, re-vamped, and otherwise improved my setup. ...
    28-03-2009
64. Programmable LED
    Circuits Light Microcontrollers Usage
    .. 64 Bytes RAM, 64 Bytes EEPROM, 0-4MHz@1.8-5.5V - 1 x CR2032, 3V, 220mAh Tools - soldering iron - solder wire - breadboard - AVR programmer - 5V power supply - multimeter Software - Eclipse - CDT plugin - WinAVR Costs overall should be below 5$ ...
    29-03-2009
65. Digital Capacitance Meter
    Circuits Measurement Microcontrollers Usage
    .. ) is used for this project to realize the system easy. In point of fact, I had thought that analog comparator in the AVR is not useful. But I found that the compare output can also be used as a captureing trigger of TC1. This is a nice ...
    25-05-2009
66. The Witness camera. Part 2
    Circuits Security Microcontrollers Usage
    .. in BASIC. I’m a strong advocate of using C for embedded systems, and I use routinely the excellent GCC compiler for AVR development on PC and Linux platforms. But at the time I was waiting for the samples of the camera to arrive, I was ...
    04-03-2010
67. The Witness camera. Part 1
    Circuits Security Microcontrollers Usage
    .. Camera is a combination of a VGA CMOS camera, a passive-infrared movement sensor, a 1 GB SD-card (or bigger), and an AVR Mega32 microcontroller implementing a solid-state time-lapse recorder. It is a compact, complete, self-contained ...
    25-02-2010
68. The Witness camera. Part 3
    Circuits Microcontrollers Usage Security
    .. turned out well. After soldering and double checking every component, I was ready for applying power and programming the AVR. BASCOM makes the porting from Mega128 code (used for the STK300) to the Mega32 (prototype) a trivial process. I ...
    12-03-2010
69. Phone recorder
    Circuits Microcontrollers Usage Telephone
    How many times have you wished that you recorder your recent telephone conversation? I have, many many times. So I finally decided to make this happen by using PC and a piece of hardware (powered from USB) to record audio from phone line to MP3 ...
    18-03-2010
70. Electronic safety-lock with telecard as key
    Circuits Microcontrollers Usage Security
    .. Serasidis This safety-lock circuit use the new Atmel AVR microcontroller series, the ATtiny26 . This micros (and new ATmega8 , ATmega16 etc) are powerful microcontrollers ...
    31-03-2010

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