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===T Flip-flop=== | ===T Flip-flop=== | ||
| − | This flip-flop | + | This flip-flop toggles states when both C and T are on. Either Q or R are on at all times, but not both. It can be kind of hard to trigger properly the first time. If that happens (both Q and R are alternating on and off), disconnect all power and manually pump one of each of (Q or R) and (H or I), then reconnect power while the two pumps are both being forced on. |
| + | ====Truth Table==== | ||
| + | {| class="wikitable" | ||
| + | |- | ||
| + | ! C | ||
| + | ! T | ||
| + | ! Q | ||
| + | ! R | ||
| + | |- | ||
| + | | 0 | ||
| + | | 0 | ||
| + | | Q | ||
| + | | R | ||
| + | |- | ||
| + | | 0 | ||
| + | | 1 | ||
| + | | Q | ||
| + | | R | ||
| + | |- | ||
| + | | 1 | ||
| + | | 0 | ||
| + | | Q | ||
| + | | R | ||
| + | |- | ||
| + | | 1 | ||
| + | | 1 | ||
| + | | R | ||
| + | | Q | ||
| + | |} | ||
| + | ====Design==== | ||
| + | CQ= <-- to power sensor for R (inverted) | ||
| + | pI | ||
| + | |||
| + | pr | ||
| + | ti= <-- To power sensor for H | ||
| + | pc | ||
| + | th= <-- To power sensor for I | ||
| + | pq | ||
| + | |||
| + | pH | ||
| + | CR= <-- To power sensor for Q (inverted) | ||
| + | |||
| + | These three sections do not need to be placed together. | ||
| + | |||
| + | ===Legend=== | ||
| + | {| class="wikitable" | ||
| + | |- | ||
| + | ! Gear | ||
| + | ! Connected to | ||
| + | |- | ||
| + | | P | ||
| + | | Power in | ||
| + | |- | ||
| + | | C | ||
| + | | Clock | ||
| + | |- | ||
| + | | T | ||
| + | | Toggle in | ||
| + | |- | ||
| + | | Q | ||
| + | | Q Output | ||
| + | |- | ||
| + | | R | ||
| + | | R Output | ||
| + | |- | ||
| + | | H | ||
| + | | H "Output" | ||
| + | |- | ||
| + | | I | ||
| + | | I "Output" | ||
| + | |- | ||
| + | | * | ||
| + | | Gear Assembly | ||
| + | |} | ||
| + | Note: Letters that are upper-case mean that the gear assembly has been pre-toggled. | ||
Revision as of 01:52, 12 June 2011
Flip-flops
A flip-flop is a logic gate with "memory" - see Wikipedia for more.
T Flip-flop
This flip-flop toggles states when both C and T are on. Either Q or R are on at all times, but not both. It can be kind of hard to trigger properly the first time. If that happens (both Q and R are alternating on and off), disconnect all power and manually pump one of each of (Q or R) and (H or I), then reconnect power while the two pumps are both being forced on.
Truth Table
| C | T | Q | R |
|---|---|---|---|
| 0 | 0 | Q | R |
| 0 | 1 | Q | R |
| 1 | 0 | Q | R |
| 1 | 1 | R | Q |
Design
CQ= <-- to power sensor for R (inverted) pI
pr ti= <-- To power sensor for H pc th= <-- To power sensor for I pq
pH CR= <-- To power sensor for Q (inverted)
These three sections do not need to be placed together.
Legend
| Gear | Connected to |
|---|---|
| P | Power in |
| C | Clock |
| T | Toggle in |
| Q | Q Output |
| R | R Output |
| H | H "Output" |
| I | I "Output" |
| * | Gear Assembly |
Note: Letters that are upper-case mean that the gear assembly has been pre-toggled.