Make Water Level Monitor
Hi friends, first we solder a transistor and led together, 4 groups are enough, then connect them like this, and finally solder the water line. Now let's pour water to have a try. The number of LED is different if water levels is different. Do you get it?
Get the parts from our online store: https://www.utsource.net
Know more about Utsource: https://www.youtube.com/watch?v=tmJQq0FS9y8
Subscribe to Utsource channel: https://www.youtube.com/channel/UCsWmWwb0S68rruOf8ebN8JQ/featured
Contact us:Email: email@example.com