Circuits & Schematics Microcontrollers Usage: pic - 11

101. Super Flux RGB LED Controller
     Circuits Microcontrollers Usage Light
     Hélio Pereira Introduction In this project it was used the Piranha Super-flux RGB LED of common anode, and the PIC18F25K20 , in order to generate combinations of colors. It has two function modes, automatic that generate the color sequence ...
     07-07-2011

102. Voltage monitor for car's battery and its charging system. Part 1. Schematic
     Circuits Measurement Microcontrollers Usage
     My 2010 Equinox has got every feature that a modern automobile should have. However, one thing that I personally find missing is the real-time monitoring of voltage across the car’s battery terminals. This may not seem to be that important ...
     18-07-2011

103. Voltage monitor for car's battery and its charging system. Part 2. Software
     Circuits Measurement Microcontrollers Usage
     .. 1. Schematic Software The firmware for this project was developed in mikroC Pro for PIC compiler. The equations to derive the input voltage from the 10-bit ADC output (Digital Number, DN) are described ...
     29-07-2011
104. Atmega8 measures ambient temperature and relative humidity using HSM-20G sensor. Part 1. Schematic
     Circuits Measurement Microcontrollers Usage
     .. calibrated digital outputs for temperature and relative humidity. I also illustrated how to interface those sensors with a PIC microcontroller. Shawon Shahryiar from Dhaka, Bangladesh shared this project with us where he describes a method of ...
     29-07-2011
105. Quick Key Adapter, 10 Button HID Keyboard. Part 2 - Firmware
     Circuits Interfaces Computers and Peripherals Microcontrollers Usage
     .. files were taken and modified from Microchip's example code. They had wrote it in a way so it can run on multiple different PIC devices, so there is a lot of extra code not needed. The rest is mostly USB related code, the only function that ...
     08-09-2011
106. Intelligent Fan Controller. Part 1 - Schematic
     Circuits Computers and Peripherals Microcontrollers Usage
     The Intelligent Fan Controller is designed to control the noise generated by the fans inside your computer. It does this by varying their speed based on temperatures measured inside the case. When it is cool the fans will run slowly and they will ...
     15-03-2012
107. Embedded MP3 module. Part 1 - Schematic
     Circuits Audio Microcontrollers Usage
     This embedded MP3 module is an universal and compact circuit for playing MP3 audio files. The MP3 module can be used in embedded systems. The MP3 files (up 65,536) are stored in a micro SDcard. Controlling the module could be done either by buttons ...
     25-10-2011
108. Intelligent Fan Controller. Part 3 - Software and controller configuration
     Circuits Computers and Peripherals Microcontrollers Usage
     .. The program for the microcontroller. This is in the form of a HEX file and must be loaded into the microcontroller using a PIC programmer (not required for the Altronics kit which comes with a pre programmed microcontroller chip). The source ...
     15-03-2012
109. The simplest possible RFID emulator. Part 1 - Schematic and Firmware
     Circuits Wireless Microcontrollers Usage
     .. achieve this by switching the GP4 as input (High-Impedance) or output (connected to GND). THE FIRMWARE Some knowledge on PIC assembler is requiered to understand perfectly this section. Basically, The code for emulating a read-only tag is ...
     25-11-2011
110. The simplest possible RFID emulator. Part 2 - Improving the emulator
     Circuits Wireless Microcontrollers Usage
     .. 100 nF is enough. The schematic with the cited improvements: NOTES The microcontroller used for this project is the PIC 12F683. However, any other PIC 12F (or even 16F) microcontroller is suitable for the emulator. The firmware should ...
     27-11-2011

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