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Contributed Projects

Browse through a collection of 500+ interesting electrical & electronic Projects from 300+ contributors.
Latest Contributed Projects

Full duplex communicationWe live in a world of communications and in a constant process to transfer communication technologies to other platforms that can be used by intelligent machines like robots. In three steps can be built a powerful communication system by plugging the Ethernet module into the Arduino board, create network connections, and building the application for data transfer.

Full-duplex data transmission means that data can be transmitted in both directions on a signal carrier at the same time. For example, on a local area network with a technology that has full-duplex transmission, one workstation can be sending data on the line while another workstation is receiving data. Full-duplex transmission necessarily implies a bidirectional line (one that can move data in both directions). We have developed the project which uses UDP protocol for communication between two Arduino UNO boards through Ethernet cable.

Atmega 32u4 Based USB EEPROM ReaderExternal memories are frequently used to store and carry computer data. The USB flash drives are quite common nowadays. This project is an attempt to demonstrate making of USB storage devices. The project converts an external EEPROM which basically has I2C interface to an USB device. The project actually works like a protocol changer between I2C and USB standards. The external EEPROM used in the project is AT24C512 which has 512 Kb memory space.

In this project a desktop application written in Python will be used to write, read and erase data from the EEPROM. The 8-bit USB AVR - Atmega 32u4 will be used as the controller chip on the device to accept control instructions from the host computer according to USB protocol and implement the data control operations on EEPROM through I2C protocol. 

Atmega 32u4 Based USB Musical KeyboardThe music keyboard is one of the most common musical instruments. The electronic musical keyboards have been around for a long time. The electronic music keyboards synthesize musical sounds electronically according to MIDI (Musical Instrument Digital Interface) standards. Fortunately, the USB protocol does have provision to implement the MIDI standard under Audio Class Devices. The USB protocol has the MIDI subclass under the Audio Class 1.0.  In this project, the device designed is based on the MIDI subclass and it transmits the MIDI Data Packets using Audio Class of the USB protocol.

On any musical keyboard, there are physical keys pressing which specific musical notes having predetermined pitch and volume are generated. Any electronic music keyboard also works similarly.

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