Parts List
Here I will go through the complete parts list that will be ordered for the ferris farm
and the costs of each part
| part name | cost |
|---|---|
8mm pvc tube | £3.32 |
| 8mm to 4mm pipe reducer | £2.49 |
| 4mm tubing | £5.97 |
| misting nozzles | £3.89 |
| 8 channel relay | £4.74 |
| m8 11mm tee nuts | £1.75 |
| single row male pin headers | £1.76 |
| single row female pin headers | £1.01 |
| skateboard bearings | £2.79 |
| 2x USB water pump | £4.34 |
| moisture sensor | £1.50 |
| prototyping boards | £2.90 |
| m8 30mm bolts | £1.80 |
| emergency mylar blanket | £2.83 |
| assorted heat shrink | £2.74 |
| jumper wires | £1.07 |
| 4 pin wire to board connectors | £2.24 |
| nylon spacers | £3.46 |
Most of the items are self explanatory but I will explain them all
the tubing piping misting nozzles and pumps are for the watering system
the relays will control the pumps, lighting, motor maybe depending on what motor I use and any other parts I add that require a on/off state
m8 nuts and bolts will be used to attach the bearings to the frame
moisture sensor speaks for its self
mylar blanket will be sued to line the frame as it is waterproof and reflective
heat shrink because you can never have enough and im running low on the small diameters
wire to board connectors to make the electronics easy to take out and change separately
prototyping boards to mount the electronics onto
Development board
please feel free to use this idea if it is useful
I noticed that the boards only have solder points and not headers so I have 2 ideas
first idea solder headers straight onto the boards simple straight forward but this could get a little cramped and I like space when prototyping
second idea mount the board onto a piece of wood using spacers and solder wires to each connection this would then go to a pcb that was labelled for each output/input this would then become one unit but slightly larger and have the headers connected to the PCB
I want to make the board so that it will be easy to remove if needed and clearly labelled
these are all the parts I will require apart from a motor which I am still undeceive on as I havn't found one yet that I like the look of
I have a couple of small motors that I want to test to see if they will rotate the frame if they work I will use them if not I will go for a stepper motor
UPDATE
the frame is now glued and screwed