Analog/Digital MUX Breakout

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Description:This is a breakout board for the very handy 16-Channel Analog/Digital Multiplexer/Demultiplexer CD74HC4067. This chip can be used to connect 16 analog sources (like sensors) to 5 pins on a microcontroller. 4 of the pins must be digital pins, 1 pin must be an analog to digital conversion pin. This allows 16 sensors to operate on only 5 pins of a micro! This is a great way to connect a lot of sensors to a few pins.

You can also run the mux/demux the other direction. One serial stream connected to the SIG pin can be piped to multiple outputs.

The mux/demux also works with digital signals (like serial, I2C, SPI). This means you can hook up multiple serial devices (like a GPS TX pin, and a XBee DOUT pin) to one RX pin on a microcontroller.

The IC can control analog voltages that vary across the voltage supply range. The bidirectional switches allow any analog or digital input to be used as an output and vice-versa with a "Break-Before-Make" switching of 6ns at 4.5V. In addition, the switches have low "on" resistances and low "off" leakages. Includes and enable control which when high will disable all switches to their "off" state.

Features:

ON Resistance 70Ohms @ 4.5Vcc and 60Ohms @ 6VCC
2V to 6V operation
Wide operating temperature -55C to 125C

Quantity	Price
1 – 9	$4.85
10 – 99	$4.59
100 +	$4.21

Skill Level of Item:		Assembled and Tested
Product #		BOB09056
Quantity Available:		3

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Arduino Uno (version 1)

ATmega328 microcontroller
Input voltage - 7-12V
14 Digital I/O Pins (6 PWM outputs)
6 Analog Inputs
32k Flash Memory
16Mhz Clock Speed

Quantity	Price
1 – 9	$27.46
10 – 99	$25.49
100 +	$24.65

Skill Level of Item:		Assembled and Tested
Product #		DEV09950
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Arduino Uno SMD

Arduino is an open-source physical computing platform based on a simple i/o board and a development environment that implements the Processing/Wiring language. Arduino can be used to develop stand-alone interactive objects or can be connected to software on your computer (e.g. Flash, Processing, MaxMSP). The open-source IDE can be downloaded for free (currently for Mac OS X, Windows, and Linux).

This is the new Arduino Uno. In addition to all the features of the previous board, the Uno now uses an ATmega8U2 instead of the FTDI chip. This allows for faster transfer rates, no drivers needed for Linux or Mac (inf file for Windows is needed), and the ability to have the Uno show up as a keyboard, mouse, joystick, etc.

Special SMD Version: Because Atmel is moving more and more of their production capacity to surface mount ICs, the DIP packaged ATmega328 is becoming more and more difficult to get. To keep up with demand, we now offer the Arduino Uno with an SMD ATmega328. The board is identical to the PTH version of the Uno, but you won't be able to remove the ATmega328 without some hot-air. This change shouldn't affect most users. Besides - when was the last time you managed to destroy an ATmega328 and needed to repair an Arduino board? Those things are nearly indestructible.

Features:

ATmega328 microcontroller
Input voltage - 7-12V
14 Digital I/O Pins (6 PWM outputs)
6 Analog Inputs
32k Flash Memory
16Mhz Clock Speed

Quantity	Price
1 – 9	$30.99
10 – 99	$28.80
100 +	$27.84

Skill Level of Item:		Assembled and Tested
Product #		DEV10356
Quantity Available:		1