Apprentice in need of help with Arduino products.

Projects General Guidance
1

Hi all, I'm hoping you can help.

I'm currently doing a project at seta college in Southampton.
I need to build a sonar measuring device.

Are the following Arduino products compatible and would I need anything else to make them work together?

The Arduino MEGA UNO base board serial transceiver Bluetooth module and the Arduino UNO R3 ATmega328P development module 2013 version

Would I be able to link this development board with a the Arduino compatible 2.6 inch LCD 1602 display shield module. via Bluetooth.

As I will need the development board to send information for the display to read via a Bluetooth.

Thank you for any help and guidance.

Hannah :slight_smile:

2

I'm not sure about your "base" and "development" etc. boards. Can you give links to more concrete boards, including data sheets?

In case you want to use a Bluetooth module and a display shield with an Arduino Mega, please find out the pins used by the shield. These pins will not be usable by other modules or shields. But when you use a display module instead of the shield, you are free in the assignment of the pins, which are used to connect this module.

Apart from these hardware requirements the required libraries may use specific pins, so that these libraries may not be usable together without modifications. Fortunately the LCD library allows to configure all pins in application code, so that only the Bluetooth library has to be checked for hard-coded pins, which have to be avoided in connecting further modules.

3

Hi, I am wanting to build a device that will measure the depth of water through sonar.
please can somebody help, as I am not sure where to start. And what I would need.

Thanks

Hannah

4

Some waterproof ultrasonic transducers for a start?

5

Search the forum for e.g. "waterproof", there have been several threads on your topic already.