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Questions tagged [multiplexer]

A multiplexer lets you select one signal out of a group of (typically) 8 or 16, for both input and output purposes. Use this tag for discussing multiplexer chips.

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Suggest me an Arduino development board, with a removable ATmega chip?

I want to buy an arduino development board which has facility to remove its chip and insert a new one anytime. I want to use multiple chips in a single board for different purposes. If it is not ...
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Good tips for how to connect cables into Mux Shield II?

I just got a Mux Shield 2 and got it working as I expected. Now I started to find out how to actually connect the I/O cables to the board. Doesn't seem to be as simple as I thought. I don't want to ...
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2answers
575 views

Use Adafruit 16-Channel 12-bit PWM/Servo Shield to switch relays

I'm wondering if using the Adafruit 16-Channel 12-bit PWM/Servo Shield is it possible to switch relays, such as use that shield as a multiplexer and use digital output without PWM. Is it possible? ...
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Multiplexing help for relay and pwm

I have to control with an Arduino UNO and xbee shield: 9 5V relay 9 RGB LED What kind of multiplexing can you advice me? Do I have to use external power supply (like 12V DC external from arduino or ...