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- 15 Feb 2017, 12:22
- Forum: ESP Easy: Projects / Applications
- Topic: Tipping bucket rain gauge -> Pulse counter
- Replies: 30
- Views: 34450
Re: Tipping bucket rain gauge -> Pulse counter
Hi, I know that this is quite old thread. I was wondering what optocoupler could be used (I know it says EL4N25 417) but I'm struggling to find/buy one. I'm not electronical engineer, so not sure. for future reference how to choose correct optocoupler for simple solutions similar to this? What I nee...