Circuits & Schematics: pic - 10

91. 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

92. Real-Time Audio Spectrum Analyser. Part 2. Firmware
    Circuits Audio Microcontrollers Usage
    Part 1. Schematic and construction 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 ...
    Feb 2, 2011

93. 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
94. 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
95. Real-Time Audio Spectrum Analyser on PIC18F4550
    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
96. 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
97. 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
98. 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
99. High Power LED mood Lamp
    Circuits Microcontrollers Usage Light
    .. components i used for making the led mood lamp. 3 x NPN transistors capable of driving 500 mA, for example the BC337 one PIC 16F628(A) and a programmer a small perforated circuit board 7 x 10K resistors (1/4W) 1/2 watt resistors (2x 22 Ohm, ...
    Nov 8, 2010
100. Digital & Binary clock with thermometer & hygrometer
     Circuits Measurement Microcontrollers Usage
     .. 30, with no effect to minutes, hours etc. The routine is in lines 1878-1887 sec30 . You set the time when you program the PIC. You have to program two times. The first time without line 91 (goto rdtime). The routines setDS and settime is ...
     Nov 4, 2010

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