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I want to be able to press a button to increase a signal's strength by 1 and press another button to decrease it by 1. I have thought about making 15 t flip-flops, but that sounds like a difficult way of doing it. What is a better way to do this?

3 Answers 3

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This is probably the most compact circuit of this type; it additionally can accept pulses on any length on both inputs and provides symmetrical signals, x and 15-x on the two sides. The only downside is that you need 18 stacks of any 64-stackable item, to completely fill the droppers under the repeaters - the other droppers are to be left empty. Both repeaters should be set to 2 ticks.

This circuit should also work on Bedrock Edition, with the small modification - add solid blocks on top of the empty droppers to power them through these blocks - on JE they can be powered through quasi-connectivity.

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I have found a viable solution: Signal strength memory

It does exactly what the description says, except the "button" has to be exactly 2 ticks or it will increase/decrease too much. A simple pulse shortener should sort that out.

Here is what it looks like as well as a layer breakdown:

Final + Breakdown

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    Nov 14, 2015 at 22:51
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Maybe you could have two droppers facing each other and get a signal from one with a comparator, one button could cause a dropper to add a item to the other and increase the signal strength and the other dropper could send an item back to the other to decrease signal strength.

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