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Lucas' Ferduino DIY


Post Number:#1 Post Tue May 26, 2015 7:50 pm
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My parts have all arrived so it's time to get started building.

I am going to start with the main Ferduino unit. When I have some more money available, I will add LEDs/Drivers/Fans, Dosing Pumps, pH Probe, etc. My tank is 120g so LED prices add up fast.

Here are the parts:

- Mega

- ULN2803

- Protoshield

- Screen

- TFT

- Ethernet

- Temperature

- PCF8575

- 16 Channel Relay

- Cat5 Cable, Couplers, and Crimper

- Various Jumpers

- Power supply from an Arduino Uno kit I had laying around

Here is how far I have gotten so far. :p

Image

Only two questions so far:

1. There is a switch on the Ethernet Shield that says "5v or 3V3". Which should it be set to?

2. What type of solder is best for this project?

Post Number:#2 Post Wed May 27, 2015 10:37 am
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Hi!

Have a problem with this ethernet shield.

It haven't the ICSP header on bottom side like this:

Image


So the SPI BUS is unplugged.

You need use wires to connect it as you did to pin 10 and 53.

See the pins to make the bridge:

Ethernet shield:

SPI: 10 (SS), 11 (MOSI), 12 (MISO), 13 (SCK).

Arduino Mega 2560:

SPI: 50 (MISO), 51 (MOSI), 52 (SCK), 53 (SS).

1. There is a switch on the Ethernet Shield that says "5v or 3V3". Which should it be set to?


The Arduino works with 5V.

2. What type of solder is best for this project?


Are you talking about tin wire?

Best regards.
Post your doubts on forum because it can help another user too. Just PM me for support if it's absolutely necessary.




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