Circuits & Schematics: pic - 4

31. 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

32. 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

33. Simple Circuit Communicates Over Low-Voltage Power Lines
    Circuits
    .. data over a low-voltage power line in applications that do not have any free conductors in an existing cable. U1 is a PIC microcontroller that includes several peripherals ideally suited for this application, in particular a pulse-width ...
    21-11-2013
34. Sensorless BLDC Motor Drive IR3230
    Circuits Automotive Power Application Notes International Rectifier IR3230
    Application Note AN-1187 Alex Lollio The IR3230 is a three-phase brushless DC motor controller/driver with many integrated features. They provide large flexibility in adapting the IR3230 to a specific system requirement and simplify the system ...
    14-11-2013
35. 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
36. 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
37. 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
38. 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
39. 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
40. Double The Span And Digitize Bipolar Signals Using An MCU's ADC
    Circuits Measurement
    Mike McGlinchy Electronic Design Europe Many microcontrollers (MCUs) incorporate onboard analog-to-digital converters (ADCs), usually with many multiplexed input channels. However, these ADCs are typically unipolar, able to handle only signals that ...
    26-09-2012

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