Amount

Item

Use

7

microswitches

front button switches

20

microswitches

each slot has double microswitches, there are 10 slots

7

5mm round white LED's

replace empty slot globes

7

led mounts for empty slot display

may not be needed, depends on how we mount the LEDs

7

resistors

empty slot LED protection

1

stripboard or veroboard

mount LED resistors

10

6 pin connectors

one for each slot actuator unit

??

? pin connectors

assorted connections between cables

1

manual drop button

1

FMD88-10 PLC

brain

1

EXP4040 expansion card

additional IO

50m?

20 different coloured wires

general rewiring

cable ties

cable loom/heatshrink tube/electrical tape

terminal blocks

1

can rust proofing spraypaint