Circuits & Schematics Microcontrollers Usage: clock - 8

71. Digital & Binary clock with thermometer & hygrometer
    Circuits Measurement Microcontrollers Usage
    .. Bellosstyle Here we have a clock. It's not another clock. It has digital and binary output. It also has a thermometer and a hygrometer. It's not ...
    04-11-2010

72. USB Small Peripheral Board (aka PIC18F14K50 Board)
    Circuits Interfaces Computers and Peripherals Microcontrollers Usage
    .. and high speed); NanoWatt feature (sleep with 24nA!); 10-bit A/D converters with auto-acquisition; PWM; Several Internal Clock modes; EUSART; 16KB Program Flash Memory; 768B SRAM; They help me with USB development. The low pin count ...
    23-10-2010

73. Music player built on microcontroller AT91SAM7S256 with ARM core
    Circuits Audio Microcontrollers Usage
    .. Support for the card via the SPI is held by only 3 pins of the microprocessor - lines of data MISO, MOSI, and the clock CLK line. The card requires a power supply voltage of 3.3V, which is equal to the voltage of power processor ...
    20-10-2010
74. 3-Wire Serial LCD using a Shift Register
    Circuits Interfaces Microcontrollers Usage
    .. on a positive-going transition of the ST_CP. If we tie both the clocks together, the shift register will always be one clock ahead of the storage register. The 8-bit data of the storage register will appear at the parallel output ...
    16-10-2010
75. Solar sensor draws less than 8 pA
    Circuits Microcontrollers Usage Supply
    .. reliable light detection, and a real sleep mode during darkness. The sleep mode of the microcontroller with a 32-kHz clock draws about 1 mA, which was too great for the design. The circuit described here can keep the microcontroller ...
    19-08-2010
76. Multimeter on ATmega8 for power supply unit
    Circuits Microcontrollers Usage Measurement
    .. is fine, you can upload code to µC. It is assumed here, that µC is new and works with its internal RC clock at 1MHz. If not, set apropriate fusebits to achive above mentioned conditions. In addition Brown-out detector ...
    13-08-2010
77. Wireless Keylogger - Do It Yourself! Part 1
    Circuits Wireless Microcontrollers Usage
    .. (transmitter unit) Signal Description PS/2 pin Comments VCC +5V power 4 must be connected to module GND Power ground 3 CLK Clock 5 DATA Data 1 NC Unused lines 2, 6 not used by module if present, leave in original state SHLD Shield USB plug ...
    20-07-2010
78. LCD2USB. Part 1
    Circuits Interfaces Microcontrollers Usage HD44780
    .. connectors to interface to the PC and the LCD. A power LED (LED1) indicates that the system is powered via USB. The system clock is derived from a 12Mhz crystal. This frequency is necessary due to the fact that the software USB ...
    19-07-2010
79. I2C-tiny-USB. Part 1
    Circuits Microcontrollers Usage Interfaces
    .. at this bus. No incompatibilities have been reported so far. The I 2 C-tiny-usb provides a software adjustable I 2 C clock delay allowing to configure the I 2 C clock. The default delay is 10us. Due to additional delays in the i2c ...
    15-07-2010
80. SPI2CF - WLAN for the AVR. Part 3
    Circuits Wireless Microcontrollers Usage
    .. with the CPLD. The SPI interface The serial peripherial interface (SPI) is a synchronous serial interface. It uses a clock line and a seperate data in- and output connection which are used to transfer bytes one bit after the other. A ...
    30-06-2010

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