Projects - PIC Microcontroller

Expanding the number of I/O lines using Microchip MCP23008 using pic microcontoller

A microcontroller comes with a limited number of general purpose input and output (GPIO) ports. However, some applications may require more ports than are available on the microcontroller. In such a case, GPIO expanders can be used to increase the I/O capability of the microcontroller. MCP23008 is one such device (manufactured by Microchip Technology) which […]

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Updated PIC 18F4550 USB Demo Board Video

In this video we step through a an updated version of the USB demo board. Changes include: -circuit board will only contain bare minimum parts to demonstrate USB communication from host to device and device to host -for both firmware and host software, we will make the projects from scratch, import downloaded USB function libraries,

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The Most Useless Machine EVER!

And yet everyone wants one!!!? AKA: The Ultimate Machine! Get Your Useless Machine: Purchase Useless Machine Kits Here! Update Oct 31, 2012: “Weird Al” Yankovic Sez: “I never realized till now how much I needed one of these.” AS SEEN ON TV! Make Magazine’s amiable editor-in-chief, Mark Frauenfelder demonstrated The Useless Machine on the Colbert

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How to interface GPS with PIC18F4550 Microcontroller

Global Positioning System is based on satellite navigation technology. A GPS Receiver provides the accurate location of an object in terms of latitude and longitude. Accurate time calculation with respect to GMT can also be done by using GPS. For more information on different data obtained through GPS, refer GPS Receivers. Here a PIC microcontroller

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SPI to 4 x UART Bridge (MULTIUART)

If your a fan of electronics then you like me will often find it annoying on the lack of hardware serial ports on modern devices. Many modules like the Wifi ESP8266 and the Bluetooth HC-06 are available for peanuts but they each require a UART based serial peripheral on your controller to work effectively. In

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About the Temperature Sensor using pic microcontoller

Temperature sensors are used in a wide range of electronic devices, including digital thermometers, home thermostats, ovens, and refrigerators. Figure 1 shows two devices with temperature sensors. Figure 1. Devices with temperature sensors. The temperature sensor provided in your kit is a precision analog sensor, whose voltage output is linearly proportional to the temperature. Configured

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Steam Turret Tank R/C PIC Servo Controller

A Microchip PIC based servo controller offering many of the capabilities of digital servos for under $9! The controllers capture the r/c receiver output, optionally manipulate the samples, then regenerate new servo control signals. As such, they greatly enhance what is possible with cheap servos. They were created for my Steam Turret Tank Instructable. Here

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OSOMCOM POCSAG BTS using pic microcontoller

The BTS or Base Transmitter Station is the device that transmit the POCSAG messages to the pager. It is the radio interface of the POCSAG network. THE HARDWARE The current version of the BTS hardware is a small board with a pic 18F microcontroller with a firmware that receive commands through an UART/RS232 port, create

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Mini AV Test Box using pic microcontoller

The notion of building a monitor/speaker AV tester came up in the forums a few weeks ago. Someone requested to see a project devoted to testing VGA displays and Speakers. The project I made many years ago: The VGA Test Box can be used to test displays, however it is large, clunky and not friendly

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DIY Datalocker

How to turn and ordinary external harddrive into a datalocker using only a PIC microcontroller, a keypad and some various other components. Step 1: Parts The parts you need: – 3.5″ SATA harddrive enclosure – 2.5″ SATA harddrive NOTE: This will not work with a 3.5″ IDE enclosure and a 2.5″ IDE drive without a

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