Question

How many LEDs in total can be lit using Arduino Uno simultaneously with the condition that only one LED being connected at each pin?
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Answer 1

Answer:

no it not can connect at on the pin because आणे led can connect so much pins

Answer 2

Arduino UNO is an open-source programmable microcontroller board. It is

1. low-cost

2. flexible

3. Easy to use

4. can be integrated into several e-projects

5. can be interfaced with other Arduino boards

6. There are a total of 14 pins in an Arduino/Genuino Uno that is based on the ATmega328P (datasheet).

So, with using only one pin for connecting one LED, we can light a total of 14 LEDs using an Arduino Uno board simultaneously