relay Full adder + schematic!(5 relays 8.4v A-B-Cin// Sumout-Cout)

this is the 3rd relay logic circuit i builded.. the 1st with a scope.
this isn't based on logic port tecnology, if you will to build xonr,and logic ports for make a full adder you need 7 relays, i used an IF based circuit with only 5 relays (double and step to step).
I found a little diagram online with the same tecnic i used but it will force you to use the 4x relays... i've onlu a double so i thinked a solution and that's it (scheme on video).
With this i will build a 4 bit adder with output 5bit.. i need other 2 full adder and one half adder.
(For that project i've picked up the old half adder with 1 relay but it's stupid, i've added another relay i called "inverter IF", if A is on it doesn't make nothing... if B is on he invert the A and B so the half adder recognize the B entry too, and if a and B are on he invert always but it work too)
next i will add a 4b memory for load operand 1 and next operand 2 and another one for load the result., so if i do it fine i can emulate the *.

Category:

Science & Technology

Tags:

• relay
• full
• adder
• circuit

[rapidrory]

where did you get the diagram?

[dallatorretdu]

@rapidrory i thinked it in my head...i got the half adder looking is some pages abouth a relay computer... and using it for make a full-adder, it's simple all On and OFF like Booleans

[rapidrory]

@dallatorretdu oh fair enough, cause i have a relay computer, and the half adders in that are 8 relays each, so it wud be gud to economize...

[dallatorretdu]

@rapidrory i looked into my old pc and i found a guide abouth Harry porter's relay computer, and he tell a lot abouth adders, mux, memories... try to search it!

oooh lovely a relay computer!!!

[allmyenemies]

wire, not wHire ;)

[dallatorretdu]

d'oh i'm soo stupid

[TheDarkFalcon]

Can you upload the schematic as an image? Its really hard to see from the video. I want to try building one of these. Thanks.

[k1ngw0rlds]

Bello ;) molto bravo :O