Fighting Germs

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we are all in quarantine or lockdown due to coronavirus outbreak .the only way to prevent coronavirus from spreading is by avoiding or minimizing the contacts

so in this tutorial, I am going to make a contactless dispenser which only requires some components

we are not using any complicated components like microcontroller, relay.

now let's see the action

components needed

  1. ir module
  2. 5v dc pump
  3. bd 140 transistor
  4. 1k resistor



circuit diagram


we nee an old ball to store water or sanitizer I am using an old gems ball


please watch this tutorial