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 Contribute your Circuit, Project or Article & earn an Honorarium. 

Got an interesting Electronic Circuit, Project or Article?

Send it to webmaster@electronic-circuits-diagrams.com & get paid an honorarium if it gets published! 

Terms & conditions:

1) The circuit should be original work and should not be copied from elsewhere.
2) The circuit should have a brief description of its working and all parts should be commonly available
3) The author will be give a ash reward and credited suitably by displaying the author’s name and email address (if required).
4) The circuit should be of good resolution for viewing with all part values properly mentioned.
5) The circuit should be in bmp, pdf, jpg, gif or png format. The description can be doc, pdf, txt format.
6) The amount of honorarium will be decided after reviewing the work submitted & will be usually be between $50 to $100 (Rs.3000 to Rs.6000). 


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  • chandran

    i need free sample of 8 channel high voltage ultrasound evaluation module. may i know where i can get it any company providing free samples

  • r cian

    Yes i need to know what type or olms resistor to use to improve on a atomic beam flashlight to regulate excessive voltage created by 3 lithium ion aaa battery’s that blow out the chips when placed in flashlight when the maximum load for the flashlight is 4.5 vdc and the maximum load of each lithium ion rechargeable battery individually is 4.2 to 2.75 per battery i bought lit ion 3 aaa cells to stop my alkaline battery’s from draining power so rapidly on use of the flashlight and it got expensive replacing all the battery’s even when there off they drew out power i wand to redesign the atomic beam with the new safeguards installed inside of it sincerely robert a cain