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All these centrifugal compressor style pumps will allow flow-through when the pump is off. When it comes to solar hot water systems. A...

@Solar Mike, nice project :) I too had a similar issue with my solar tracker actuator drive some years back. The amount of damage solar...

As Flenser has stated, the PICAXE NOT command is a bitwise math calculation For example b0 = %00100001 ; = decimal 33 b1 = NOT b0 the...

matchbox, You misunderstand the NOT operator. When you say "not less than" that is an english expression and those of us that speak...

Hi, Of itself, a NOT cannot change the testing range. As said, a ">" is the inverse of "<=" or vice versa. Or the IF ..THEN {GOTO}...

Well, "b0<=value" is not >, and "b0>=value" is not <.

Thanks for the reply guys. It has straightened up my slow thinking this morning (y) I was thinking a NOT would work better... but it...

This may be a silly question.. Is there a way to express NOT > value or NOT < value? I'm aware of <> or != the value. However, I...

Requesting data does work best for me as well. As you would know, this is almost impossible to do without a secondary picaxe that can...

Thanks Ibenson. You know..I'm sort of embarrassed of the way the serial comms looks in this project.. in fact in all of the 5 project...

Hi again guys, This is a project that I made a few years back. I actually have 2 of them operating on two tanks. The main disadvantage...