Fitting of DIY, great for Arduino DIY project, exercise your hand and brain.<br /><br />Features:<br />Up to 8 PCF8574 IO Expansion Board can be connected to the I2C-bus, providing up to 64 I/O ports.<br />Features PCF8574, I2C interface, 8-bit parallel output.<br /><br />Specifications:<br />Type: expansion board<br />Color: blue<br />Material: PCB<br />Weight: 5g / 0.18oz<br />Size: 5.4 * 1.5 * 1.2cm / 2.13 * 0.59 * 0.47oz ( L * W * H )<br /><br />Package list:<br />1 * Expansion Board<br /><br /><br /><br /><br /><br /><br /><br /><br /><br><img src="//agdetail.image-gmkt.com/m430/733/085/827085733/img/agdetail.image-gmkt.com/733/085/827085733/img/img.tomtop.com/product/xy/2000/2000/p/gu1/C/9/C2749/C2749-1-9d9a-s635.jpg" /><br>$$<img src="//agdetail.image-gmkt.com/m430/733/085/827085733/img/agdetail.image-gmkt.com/733/085/827085733/img/img.tomtop.com/product/xy/2000/2000/p/gu1/C/9/C2749/C2749-1-9d9a-umj7.jpg" /><br>$$<img src="//agdetail.image-gmkt.com/m430/733/085/827085733/img/agdetail.image-gmkt.com/733/085/827085733/img/img.tomtop.com/product/xy/2000/2000/p/gu1/C/9/C2749/C2749-1-9d9a-WgLH.jpg" /><br>$$<img src="//agdetail.image-gmkt.com/m430/733/085/827085733/img/agdetail.image-gmkt.com/733/085/827085733/img/img.tomtop.com/product/xy/2000/2000/p/gu1/C/9/C2749/C2749-1-9d9a-Bsav.jpg" /><br>$$<img src="//agdetail.image-gmkt.com/m430/733/085/827085733/img/agdetail.image-gmkt.com/733/085/827085733/img/img.tomtop.com/product/xy/2000/2000/p/gu1/C/9/C2749/C2749-1-9d9a-pSVy.jpg" /><br>