Circuits & Schematics Microcontrollers Usage: pic - 3

21. Ramp Generator Uses Microcontroller Emulation Of Unijunction Transistor
    Circuits Oscillators Microcontrollers Usage
    .. Gualtieri Electronic Design By using a standard, low-cost PIC microcontroller with a short block of code that emulates a simple ramp-signal generator based on the venerable ...
    26-03-2015

22. One wire brings power & data to LCD module
    Circuits Microcontrollers Usage
    Noureddine Benabadji EDN Embedded systems frequently use HD44780 -type LCD displays as it is considered the most popular alphanumeric display controller. The interface comprises at least 14 pins: eight for data, three for control (EN, WR, RS), two ...
    13-11-2014

23. Two PIC pins drive six LEDs
    Circuits Microcontrollers Usage
    .. by multiplexing [1-4] . A Some other Design Ideas use additional logic, which increases cost and size [5]. Figure 1. Two PIC pins drive six LEDs Note that VDD must be between 2V 3V: for example, if LED2 is ON (Table 1), LED4 and LED6 will ...
    03-06-2014
24. One-chip 11×10 LED matrix
    Circuits Microcontrollers Usage Light PIC16F688
    This project is pretty cool for a few reasons, and driving a huge LED matrix with a single 8-bit controller is just one of them. The idea was born when I bought 120 LEDs of the wrong type, and decided to do something with them. With that many LEDs, ...
    29-05-2014
25. Buck Converter Using the PIC16F753 Analog Features
    Circuits Microcontrollers Usage Supply Application Notes Microchip PIC16F753
    Application Note TB3103 October 2013 Mihnea Rosu-Hamzescu This technical brief describes a synchronous buck power supply, based on the PIC16F753 using 100% analog control for output regulation. The implementation has the advantage of not using any ...
    28-12-2013
26. A DIY indoor thermometer plus hygrometer with adaptive brightness control implemented to 7-segment LED displays
    Circuits Measurement Microcontrollers Usage
    .. about this sensor and its communication protocol in Measurement of temperature and relative humidity using DHT11 sensor and PIC microcontroller. The PIC16F688 uses the RC4 I/O pin to read the DHT11 output data. Note that R7 serves as the ...
    18-01-2013
27. G-Force Monitor
    Circuits Measurement Microcontrollers Usage
    .. them, so I decided to make my own software and hardware. For hardware, I choice PIC16F877 that I had spare in my drawer, PIC firmware was written in MikroC, and software was written in Delphi 7. You can download full schematic, code for ...
    17-01-2013
28. Easy Pulse: A DIY photoplethysmographic sensor for measuring heart rate. Part 1 - Theory and Schematic
    Circuits Measurement Medicine Microcontrollers Usage
    When I first built the Heart rate measurement through fingertip project, the infrared LED and photodiode used for finger photoplethysmography were actually from salvaged parts, and therefore, I could not provide specifications for them in the ...
    30-11-2012
29. A brief overview of Allegro ACS712 current sensor. Part 2 - Interface the sensor with a PIC microcontroller
    Circuits Measurement Microcontrollers Usage Allegro ACS712
    .. PIC16F1847 microcontroller. A voltage to current conversion equation will be derived and implemented in the firmware of the PIC microcontroller and the actual load current will be displayed on a character LCD. Measuring dc current with ACS712 ...
    10-11-2012
30. A brief overview of Allegro ACS712 current sensor. Part 1 - Theory
    Circuits Measurement Microcontrollers Usage Allegro ACS712
    .. sensor and its characteristics. In the second part, a test experiment will be carried out to interface the sensor with a PIC microcontroller to measure a dc current. Allegro ACS712. Theory The current sensing technique based on a shunt ...
    10-11-2012

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