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Cables
All cables are secured to the main board with CDH/CDR connectors. In practice you can use any other type of connector that fits on the board.
Tip
Avoid Dupont connectors... they do not like to stay in place!
Two power cables are required for the 24V and 5V line respectively: each cable needs two wires for the +V and the ground. The wires on one side are housed in a connector, and remain naked on the other side, because in our design they go in a screw connector.
| cable | wire length |
|---|---|
| +24V line | 12cm |
| +5V line | 12cm |
Caution
Make sure the +V/GND wires will connect where they are supposed to, or the Pi Zero and other electronic components will likely fry.
These cables connect buttons in the handle (trigger [TRG], reload [RLD] and magazine [MAG]) to the main board. They consist of two wires, which will be ultimately connected to a GPIO and the ground respectively, they are terminated on one side by the button switch and on the other side by a connector matching the one found on the main PCB.
Reload and magazine button use a 6x6x5 tactile switch, and the trigger button uses the lever action switch. Here are approximate lengths for the wires:
| cable | wire length | button type |
|---|---|---|
| trigger | 12cm | lever action |
| reload | 12cm | 6x6x5 switch |
| magazine | 12cm | 6x6x5 switch |
Tip
- RLD cable could use solid-core wires, so it will stay in place more easily.
- the wires of RLD cable should be soldered to the inner side of the headers of the tactile switch or it might not fit in its slot in the handle.
The solenoid terminals are usually naked wires, and need to be housed in a connector matching the one found on the main board. If the wires are longer than needed they can be trimmed.
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