Angled Shot of the TCA9548A I2C Multiplexer.
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You just found the perfect I2C sensor, and you want to wire up two or three or more of them to your Arduino when you realize "Uh oh, this chip has a fixed I2C address, and from what I know about I2C, you cannot have two devices with the same address on the same SDA/SCL pins!" Are you...
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Top down view of aPi connected to red rectangular board. Two small black rectangular boards connected to the red rectangular board via JST plugs.
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Do you have too many sensors with the same I2C address? Put them on the SparkFun Qwiic Mux Breakout to get them all talking on the same bus! The Qwiic Mux Breakout with TCA9548A enables communication with multiple I2C devices that have the same address that makes it...
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Angled Shot of the STEMMA QT / Qwiic JST SH 4-pin to Premium Male Headers Cable.
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This 4-wire cable is a little over 150mm / 6" long and fitted with JST-SH female 4-pin connectors on one end and premium Dupont male headers on the other. Compared with the chunkier JST-PH these are 1mm pitch instead of 2mm, but still have a nice latching feel, while being easy to insert...
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Angled shot of half-size solderless breadboard with red and black power lines.
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This is a cute, half-size breadboard with 400 tie points, good for small projects. It's 3.25" x 2.2" / 8.3cm x 5.5cm with a standard double-strip in the middle and two power rails on both sides. You can pull the power rails off easily to make the breadboard as...
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Angled shot of black, rectangular I2C address breakout board.
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Adafruit has hundreds of designs that use I2C - a two-wire protocol that can let you quickly connect sensors, OLEDs, GPIO expanders, and more. Folks love I2C because you can simply connect 4 wires for power and data, and even...
$8.95 each
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