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Microprocessor Circuits   Page 6a
Microprocessors:  #'s     A-B     C-G     H-L     M-O     P     Q-S     T-Z
Last Updated on: Friday, March 12, 2010 12:08 PM


Links to electronic circuits, electronic schematics, designs for engineers, hobbyists, students & inventors:

PIC Controlled DDS VFO 0 to 6 MHz - (circuit added 7/02)

PIC controlled DDS VFO, 0 to 6 MHz - (circuit added 7/02)

PIC debugging routine reads out binary numbers - 12/(07/00 EDN Design Ideas /  (added 2/06) 

PIC Demo Board - (electronic circuit added 7/03)

PIC Die - Built using a PIC16F84, about 4 hours worth of code and a few bits on a breadboard. This was the first time I've worked with PIC's so it was a learning exercise. I started with the 'Hello World' microcontroller equivalent i.e.  Blinking LED, then tried the 'Knight Rider' sequencing LEDs, and then ....   (added 10/05)

PIC Digital Clock Timer - (electronic schematic / circuit added 11/05)

PIC diode tester - ….(circuit design added 08/08)

PIC DS1820 Thermometer - This application shows how to use the PIC16F877 to control, and interface with the Dallas DS1820 1-Wire™ Digital Thermometer. ….(circuit design added 11/08)

PIC Dual Temperature Meter  - Dual PIC Temperature meter that allows to measure temperature in two different locations at the same time. Never before such a useful and powerful circuit could be built with so little components and yet provide endless possibilities. This is all possible thanks to the use of PIC16F628 microcontroller and 2x16 character LCD display that act like a small computer which can be customizable thanks to upgradeable hex firmware. ….(circuit design added 11/08)

PIC Freq Meter / Voltmeter - Measurement of the frequency up to 50MHz Measurement of power supply voltage in the range of 0.0 V - 25.5 V Measurement of the input voltage at two analog inputs, simultaneously displayed as bar graph (PWR/SWR or S) indicator. The input sensitivity could be chosen between 0.25V, 0.5V, 1.0V and 2.0V for maximum bar graph indication. This is a successor of the PIC16C71 4-digit LED f-counter & V-meter. ….(circuit design added 11/08)

PIC Humnuller - This project is a portable (i.e. PC-less) hum rejecter (or more accurately, hum estimator) principally for VLF listening application. It employs the PIC’s ADC to sample the hum waveform, and performs a special type of filtering to isolate it. The hum waveform is then reproduced on an external DAC so that it can be subtracted from the VLF signal. The problem with hum is that it is rarely a single frequency. Switching power supplies, light dimmers.....(added 04/04/04)

PIC ICD - (electronic design added 03/04/05)

PIC IR / RF Remote Control - This is a general purpose remote control project with using programmable PIC microcontrollers (PIC16F628, PIC16F630, PIC16F684). Schematics are shown for using infrared (IR) or radio (RF) media. If you are not familiar with microcontroller programming, you can use fixed encoder and decoder integrated circuits instead. Well-known such IC-s are Holtek HT-12D, HT-12E and Motorola MC145026, MC145027, MC145028. ….(electronic schematic added 11/08)

PIC LCD and Keypad Driver - (electronic circuit added 7/03)

PIC Logic Probe with Pulser - (schematic / circuit added 10/02)

PIC Micro LED Projects - (electronic circuit added 7/03)

PIC Micro Multiple Servo Motor Interface - (electronic circuit added 7/03)

PIC Micro Programmer - (electronic circuit added 7/03)

PIC micro to ISA Bus interface - (electronic circuit added 4/05)

PIC MicroController Servo Motor Interface - (electronic circuit added 7/03)

PIC microprocessor drives 20-LED dot- or bar-graph display - Indicator circuit features low cost and minimal component count.  Design Ideas EDN, 09/01/2006  (schematic added 09/06)

PIC NIC Ethernet Controller - PICNIC is a project to add 10BaseT Ethernet controller to PIC17F877, and it can run as an network-enable device. This project is based on tristate's PICNIC product. And I just change the temperature sensor's circuits to improve the precision on A/D convert and add another Temp-Sensor channel. ….(electronic schematic added 11/08)

 

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