Electronics and Electrical Engineering Design Projects

Featured electronics and electrical engineering design projects.

Featured Projects by Members

  • Figure:1 Ethernet/IP Communications Development Platform

    Ethernet/IP Communications Development Platform

    Posted Dec 15, 2014 By Design Library
    Features AM335x ARM Cortex-A8 processor-based design enables 30% system BOM savings by eliminating external ASIC/FPGA Access to other peripherals and interfaces for a scalable HMI, PLC and I/O solution Free board support package and industrial software development kit from TI Support other industrial communications with the same hardware (e.g., EtherCAT, PROFIBUS, PROFINET and…
  • Figure:2 Solar Battery Charger Circuit

    Solar Battery Charger

    Posted Dec 14, 2014 By Sudheer Gupta
    This is a simple solar battery charger circuit designed using LM317 voltage regulator and is used to charge Lead-Acid or Ni-Cd batteries using solar energy. This solar charger has current and voltage regulation and also has over voltage cut off facilities. Here the solar panel produces 12 V DC. The charging current passes to LM317 voltage regulator through the diode D1. The output voltage and…
  • Figure:3 Analog Interfacing Networks for DAC348x and Modulators

    Analog Interfacing Networks for DAC348x and Modulators

    Posted Dec 08, 2014 By Design Library
    Features A breakdown of the interface on the TSW308x is explained to show the direct connection between the DAC3484 and TRF3705 General Design equations of current source DACs with IQ modulators are provided and explained TINA spice models are provided for different interface networks for DC, AC, and filtered interfaces to meet customer needs *TE Connectivity…
  • Figure:4 The Automatic Safety Flasher Circuit

    Automatic Safety Flasher

    Posted Dec 06, 2014 By Credible Sport
    Its complete schematic diagram can also be seen in the link provided. http://dev.schematics.com/project/automatic-safety-flasher-12452/
  • Figure:5 High Performance Buck Converter with VID Interface to Supply TI TMS320 TCI6634

    High Performance Buck Converter with VID Interface to Supply

    Posted Dec 01, 2014 By Design Library
    Features AVS Capability- dynamically adjust Vo through LM10010 6-bit VID chip Universal pad for various output inductors for easier testing 13 V to 14 V Input Voltage 0.8 V to 1.2 V output voltage, 25 A maximum output current 300 kHz switching frequency ~92% peak efficiency TE Connectivity Supporting Solutions The dramatic increase of information flow…
  • Figure:6 Circuit Diagram of Light Activated Switch

    Light Activated Switch Using LDR

    Posted Nov 30, 2014 By Sudheer Gupta
    The main principle of this circuit is to switch ON the light when the LDR is illuminated. The light dependent resistor will have high resistance in darkness and low resistance in the light. The comparator used here has LDR connected to its inverting terminal and potentiometer connected to its non-inverting pin. When the light falls on the Light Dependent Resistor, the comparator compares the…
  • Figure:7 Three-Phase Brushless DC Motor Driver

    Three-Phase Brushless DC Motor Driver

    Posted Nov 24, 2014 By Design Library
    Features Complete brushless DC drive stage in ultra-small form factor (2.2 × 2.3”) Supports up to 14A peak, 10A continuous current output Supports voltage and current feedback for InstaSPIN-FOC sensorless control solution 3x low side current sense amps, 6x Power FETs (< 6.5mΩ) & 1.5A step down buck converter Drive stage is fully protected including short circuit, thermal, shoot-through, and under
  • Figure:8 Emergency Lights using Cool White LEDs Circuit Diagram

    Emergency Lights using Cool White LEDs

    Posted Nov 23, 2014 By Sudheer Gupta
    This is the simple and cost effective automatic emergency light circuit with light sensing. This system charges from main supply and gets activated when main supply is turned OFF. This emergency lamp will work for more than 8 hours. Circuit Principle When power supply is available, battery charges through the diode D2. At the same time white LED’s will glow based on the light conditions….
  • Figure:9 Altera Cyclone V SoC FPGA Power Reference Design

    Altera Cyclone V SoC FPGA Power Reference Design

    Posted Nov 17, 2014 By Design Library
    Features Provides all the power rails needed to power an Altera Cyclone V SoC Design optimized to support a 12V input Ease of use with integrated LMZ3 series power modules Optimum combination of switching regulators and LDOs provides the best power distrubution tree Supports DDR3 memory device This design is tested and ready to power up an Cyclone V SoC Learn…
  • Figure:10 Electronic Code Lock using Single Transistor

    Electronic Code Lock using Single Transistor

    Posted Nov 16, 2014 By Sudheer Gupta
    This article describes one transistor code lock circuit which is a key coded door lock system. Here interesting thing about this circuit is that it can be done without any programming. This circuit is simple and made up of simple transistor and buttons. Circuit Principle The main principle of this circuit is that the door lock opens only when the buttons in series are pressed at a time. If…

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