When I was to build a Barrel Keycard Reader and I place a Written Book on Barrel. An Observer Block at the top of barrel facing redstone dust detects. Also happens with chest as well
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This is because the barrel actually changes state when opened (it also changes texture). The observer detects this and therefore gives an output.
Thank you for your report!
We're actually already tracking this issue at MCPE-46742, so we will resolve and link this ticket as a duplicate.
If you would like to add a vote and any extra information to the main ticket it would be appreciated.
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Thank you for your report!
We're actually already tracking this issue at MCPE-46742, so we will resolve and link this ticket as a duplicate.
If you would like to add a vote and any extra information to the main ticket it would be appreciated.
If you haven't already, you might like to make use of the search feature, to see if the issue has already been mentioned.
Quick Links:
📓 Issue Guidelines – 💬 Mojang Support – 📧 Suggestions – 📖 Minecraft Wiki
This is because the barrel actually changes state when opened (it also changes texture). The observer detects this and therefore gives an output.