Ardu Tester with Uno board

Eb W. OP (Company: n/a) #6752596
Rate this post
• ▲ useful
▼ not useful 
Hi all,

I just joined this forum and I have a question please.

I have set up the Ard-tester on a breadboard using an Arduino Uno, an 
20x4 LC display with I2c interface. The I2C interface is connected the 
the SDA and SCL pin on the Arduino.

The six resistors are connected to pin # D8,9,10,11,12 and 13 and the 
combination d8/9 to pin A0, D10/11 to A1 and D12/13 to A2, hence becomng 
TP1, TP2 and TP3 accordingly.

So far I have and can measure resistors, capacitors and transistors with 
between 1.5 and 5% accuracy. Note: the 6 resistors are 10% plus/minus, 
but will be replaced by the more accurate 0.1% resistors once all 
problems are sorted out.

My question:
Can I substitute D6 and D7 for D12 and D13 to avoid influence from the 
internal LED and pull-up resistor on the Uno board????

If so, how can I do this? Your advice please

Thanks.

Kind regards/Best 73's de Eb W. ZL4RM/PA0JAG
Reply Quote Edit Move Thread sperren Anmeldepflicht aktivieren Anpinnen Delete topic Thread mit anderem zusammenführen Report post
Watch this topic

Reply

A question of your own? This thread is over 5 years old. Ask it in a thread of its own – more people read along there, and it gets answered more often and sooner.

Start a new thread

A fix, an addition or feedback on this thread? Then reply here.

Formatting
  • [c]C-Code[/c]
  • [code]code in other languages, ASCII drawings[/code]
  • [math]formula (LaTeX syntax)[/math]
  • [[Title]] – link to an article
  • Link to another post: right-click its post ID (#8078628), copy the address, paste it into the text

More about formatting

Post long source code as an attachment, not in the text.

Your name and e-mail address

Already registered? Log in

Not shown to anyone. We send you a link; your post appears once you confirm it there.

By submitting you create a free account and accept the terms of use.