Search:

Type: Posts; User: Hesambook

Page 1 of 2 1 2

Search: Search took 0.00 seconds; generated 26 minute(s) ago.

  1. Closed: Re: How to build an isolated digital AC dimmer using Arduino

    Yes, timing is very important.
    Anyone can change the software a bit and add two buttons to increase and decrease the power easily.
  2. Closed: Re: How to build an isolated digital AC dimmer using Arduino

    I used this Arduino board

    153673
  3. Closed: How to build an isolated digital AC dimmer using Arduino

    Disclaimer: This circuit is connected directly to the mains voltage. You must care about all safety precautions before using the device.

    AC loads are everywhere around us because at least home...
  4. Closed: Re: An easy to build PWM controlled DC motor driver

    Schematic in PDF
  5. Closed: An easy to build PWM controlled DC motor driver

    Motor driver circuits are one of the most useful designs for industrial, automotive and robotic applications. Full control over a DC motor is an essential function for a variety of applications. For...
  6. Closed: How to make a noise-free infrared obstacle detection

    An obstacle detection unit is an essential part of a variety of projects, such as robotics and security applications. The infrared sensors are widely used for these types of applications. The main...
  7. Closed: Re: How to make a variable step-down DC to DC converter using TPS54331

    No my friend, it is posted in the DIY section
  8. Closed: How to make a variable step-down DC to DC converter using TPS54331

    Almost in any circuit design, building at least one regulation stage is necessary. Two power supply design options are available, which are linear and switching. The linear regulators are easy to...
  9. Closed: Re: All-in-one stereo audio FM transmitter with RDS/RBDS data transmission capability

    Thank you, sure I'll check that
  10. Closed: All-in-one stereo audio FM transmitter with RDS/RBDS data transmission capability

    FM transmitters/receivers are one of the top favorite circuits of every electronic designer. An FM transmitter is one of the first circuits that an electronic enthusiast decides to build.

    For this...
  11. Closed: limitation of opamp in the single supply differential mode

    Hi,

    I have a sensor which is connected to +12V and it shows some small variations at the output.

    I have an opamp which I have configured in AC input, inverting amplifier. therefore I should...
  12. Closed: Connecting a 512K*16bit SRAM (IS62WV51216BLL-55TLI) to a 144-Pin STM32

    Connecting a 512K*16bit SRAM (IS62WV51216BLL-55TLI) to a 144-Pin package STM32 microcontroller, using the FSMC bus

    In some projects, such as using a graphical LCD by the StemWin (EmWin) library,...
  13. Closed: Re: How to make a 5V negative supply using the LM2576 regulator

    Thank you for the comment

    actually, the switching frequency is correct according to the datasheet information, but I think because of its inherent circuitry, adding a filter did not help. What you...
  14. Closed: How to make a 5V negative supply using the LM2576 regulator

    The negative voltage provision is necessary for some circuits. Usually, the best and cheap option is to use a switching voltage converter. Sometimes the power consumption on the negative rail is...
  15. Replies
    14
    Views
    2,491

    Closed: Re: Ground Connection with PCB

    Have you routed the ground also as tracks?
  16. Closed: SamacSys component search/install plugin for the Altium Designer

    I use the Altium designer to design PCBs. Recently I found a very interesting plugin which can be installed and used inside the Altium designer. I am able to search for the components and install the...
  17. [SOLVED]Closed: Re: A relay coil rated 24V- (is this 24Vac or 24Vdc ?)

    it should be DC, otherwise how you want to control it?
    using another relay? of course not. therefore it is DC. the maximum tolerable of relay's contacts voltage and current are also mentioned.
    as...
  18. Closed: Impedance Matching ...

    Hi
    I want to connect one amplifier's output that has 4-ohm output impedance, to one load that has only 0.5-ohm impedance. I should match these two different impedances. I know two methods :

    1 -...
  19. Replies
    3
    Views
    3,915

    Closed: Re: About Digital Satellite Tuner interface

    I want to build one finder like this :

    http://zteke.trustpass.alibaba.com/product/100085502/Digital_Satellite_Finder.html
  20. Replies
    3
    Views
    3,915

    Closed: About Digital Satellite Tuner interface

    I have one digital satellite tuner and I want to do these instructions with it .

    1- I want to send information about Frequence, Symbol rate, Polarity and FEC to Tuner and tuner can lock itself on...
  21. Closed: Re: Satellite Finder

    I built this circuit , it didn't work , we can't see any movement on VU meter !:cry:
  22. Closed: Re: Satellite Finder

    we can connect the output to A/D convertor for only digital display but ,
    Some of digital satellite finder doesn't need to receiver side connection and it can work independent . my target is that...
  23. Closed: Re: Satellite Finder

    I search for one digital satellite finder circuit , I can't find anything , can anyone help to me ?
  24. Closed: Re: Satellite Finder

    Did anyone build this circuit ?
    is it working ?

    I can't find TLC271 IC .
  25. Replies
    4
    Views
    2,257

    Closed: Re: easy , comfortable and good tutorial

    Dear Zahra

    I answered to you in private message .

    Regards .
Results 1 to 25 of 36
Page 1 of 2 1 2