Continue to Site

Welcome to our site!

Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.

  • Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.

Recent content by sophos9

  1. S

    DIY Marine Tank Automatic Top Up

    The relay connection is as such **broken link removed** I presume that the 240ac goes over 4 and 2, the 12dc goes to 3 and 5? Someone please help...
  2. S

    DIY Marine Tank Automatic Top Up

    Mike, thanks for the reply - the numbers on the coils do not correspond to the actual relay itself, I put them on there to ID where the amber LED should go. The problem is I need 240v for the pump that will stir the water and additives. This is **broken link removed** I'm using I've read some...
  3. S

    DIY Marine Tank Automatic Top Up

    Crazy stuff, all the stuff I need to build cost me £35!!
  4. S

    DIY Marine Tank Automatic Top Up

    Is the 'amber' LEd across the right coil numbers? If no, can you let me know what numbers it would need to go across? Thanks loads **broken link removed**
  5. S

    DIY Marine Tank Automatic Top Up

    Just realised, the red LED intention is not right in my post and diagram..... What I would like to do with the red LED is indicate when one of the switches are open and one is closed (indicating a malfunction...) Many thanks
  6. S

    DIY Marine Tank Automatic Top Up

    Hi, thanks for the reply and links!! Can you advise whats likely to happen if the relay fails and are there any safety concerns from the simple diagram? Kind regards
  7. S

    DIY Marine Tank Automatic Top Up

    Hi, I want an auto top off kit for my marine tank however cannot afford the ones in the shop so I've set about building my own... The idea is to have coloured LEDS indicating status, so green for powered, amber for topping up and red for manually switched off or a switch out (is it...

Latest threads

New Articles From Microcontroller Tips

Back
Top