Electronics and Electrical Engineering Design Projects

Featured electronics and electrical engineering design projects.

Featured Projects by Members

  • Figure:1 Automatic Dark Indicator

    Automatic Light/Dark Indicator

    Posted Jan 04, 2015 By Credible Sport
    The complete design can be seen in the link provided. Link: http://schematics.com/project/automatic-lightdark-indicator-14778/ or visit Schematics.com for more projects!
  • Figure:2 TCCR2 (Timer Counter Control Register)

    DC Motor Speed Control Circuit using Microcontroller

    Posted Dec 28, 2014 By Sudheer Gupta
    In many applications, it is important to control the speed of DC motor where precision and protection are essence. Here we will use a technique called PWM (pulse width modulation) to control the speed of DC motor. We can achieve speed control of DC motor using mechanical or electrical techniques but they require large size hardware to implement but Microcontroller based system provides easy way…
  • Figure:3 Wireless Heart Monitor with Bluetooth Low Energy

    Wireless Heart Monitor with Bluetooth Low Energy

    Posted Dec 22, 2014 By Design Library
    Features Supports 5-Lead ECG applications Easily monitor heart rate data via an iOS Mobile App Powered by a lithium-ion battery Interference from outside RF sources are rejected by EMI filters integrated in the ADS1293 Firmware and iOS app source code provided as open source to enable quick time to market for customers TE Supporting Solutions TE Connectivity…
  • Figure:4 Timer Alarm Circuit 1

    Timer Alarm Circuit

    Posted Dec 20, 2014 By Credible Sport
    This is a basic application of 555 timer. It is used as part of the timing circuit in which it varies time interval with respect to the value of resistance given. It is useful for simple application where fixed timing is needed. The complete design is provided at link-> http://schematics.com/project/timer-alarm-circuit-14342/
  • Figure:5 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:6 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:7 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:8 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:9 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:10 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…

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