Whenever magic fuckery seems to power a piston the answer is usually quasi connectivity aka QC.
TheTerrabite on
Redstone was previously on, piston got updated while it was on(ie placing a block next to it, or a redstone component was previously powering it/updating it by changing states) which caused it to realize it was powered by qc(the stone block diagonally upwards with the rs dust on it was soft powered, which powers the piston via qc (when wiring with pistons they are powered like a door, so if a door was there and would get powered, the piston will as well, the only difference is that you need to update the piston if powering it with qc, otherwise it gets into this state where it doesn’t realize it’s powered/unpowered) When redstone turned off piston wasn’t updated so it didn’t realized it doesn’t have power(this is called a BUD’ed piston) updating the piston will cause it to retract.
You can place a noteblock on top of the piston to allow it to be powered in this case(when dust turns on/off noteblock changes states which updates the piston every time) and you can remove all of the dust except the one diagonally above the piston if doing that.
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Whenever magic fuckery seems to power a piston the answer is usually quasi connectivity aka QC.
Redstone was previously on, piston got updated while it was on(ie placing a block next to it, or a redstone component was previously powering it/updating it by changing states) which caused it to realize it was powered by qc(the stone block diagonally upwards with the rs dust on it was soft powered, which powers the piston via qc (when wiring with pistons they are powered like a door, so if a door was there and would get powered, the piston will as well, the only difference is that you need to update the piston if powering it with qc, otherwise it gets into this state where it doesn’t realize it’s powered/unpowered) When redstone turned off piston wasn’t updated so it didn’t realized it doesn’t have power(this is called a BUD’ed piston) updating the piston will cause it to retract.
You can place a noteblock on top of the piston to allow it to be powered in this case(when dust turns on/off noteblock changes states which updates the piston every time) and you can remove all of the dust except the one diagonally above the piston if doing that.