Circuits & Schematics: pic - 10

91. PIC USB Development Board
    Circuits Interfaces Microcontrollers Usage
    .. the code. You simply need to compile the PICDEM FS USB projects which are included with the stack examples. Building the PIC DEM FS USB board The circuit schematics for the original board are available on-line from Microchip, they publish ...
    Feb 26, 2011

92. Heart rate measurement from fingertip. Part 1. Schematic
    Circuits Medicine Microcontrollers Usage
    Introduction Heart rate measurement indicates the soundness of the human cardiovascular system. This project demonstrates a technique to measure the heart rate by sensing the change in blood volume in a finger artery while the heart is pumping the ...
    Feb 11, 2011
93. Programmable digital timer switch using a PIC Microcontroller
    Circuits Automation Microcontrollers Usage
    .. be turned off again. The following video shows how to do this. Software The firmware is developed using the MikroC Pro for PIC compiler. Downloads Source Code - download HEX file - download embedded-lab.com
    Feb 10, 2011
94. Real-Time Audio Spectrum Analyser. Part 2. Firmware
    Simon Inns
    Circuits Audio Microcontrollers Usage
    The firmware is completely written in C and can be downloaded from the downloads section below. The firmware is split into 4 parts: ADC Sampling The ADC sampling routine samples the voltage level on RA0 every 50 uS. This gives us a sampling rate of ...
    Feb 2, 2011
95. Dot matrix LED running display. Part 2. Construction.
    Circuits Microcontrollers Usage
    Ivailo Vasilev Brightness settings The user can select the brightness level in 8 steps or select an auto mode. To change the brightness from Settings menu, select Bright and press SET. The display will show the current bright level (from Bright 1 ...
    Feb 1, 2011
96. Solar Recorder. V1.0.
    Circuits Measurement Microcontrollers Usage Solar
    .. with a PIC18F458 and the 128MB Multimedia Memory Card, MMC. The solar radiation is measured by a calculator solar cell. The PIC chip interfaces the MMC using SPI mode. The interval between samples is set to one minute. The firmware detects the ...
    Jan 19, 2011
97. Real-Time Audio Spectrum Analyser on PIC18F4550
    Simon Inns
    Circuits Audio Measurement Microcontrollers Usage
    .. board): The picture shows a full-volume 5000Hz sine wave generated by a PC. If we were to feed this signal directly to the PIC we would only have a very small range of input voltage (0-0.5V) and also we would only be able to sample the ...
    Jan 18, 2011
98. Programmable Home Security Alarm System. Part 2. Calibration and Testing
    Circuits Security Microcontrollers Usage
    Part 1. Schematic Calibration and Testing Once everything is assembled take following steps to calibrate the system, Remove IC1, IC2, IC3 and IC4 from the IC bases. Apply 18V ( to 22V Max.) DC source to the power connector (J3). Check the voltage ...
    Jan 8, 2011
99. Programmable Home Security Alarm System. Part 1. Schematic
    Circuits Security Microcontrollers Usage
    Introduction In this project we design low cost high performance programmable home security system using few LDR's as an input sensors. When above sensor(s) get triggered system may dial the user specified phone number (using build-in DTMF ...
    Jan 4, 2011
100. Button Code - Single Button Code Entry System
     Circuits Security Microcontrollers Usage
     The Button Code is a system that allows a single button to act as a keypad. The user enters a 4 digit code into the system using button taps. The button can be placed where the public can access it since like a keypad there are many combinations to ...
     Nov 17, 2010

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