<div dir="ltr"><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small"><a href="https://smile.amazon.com/Adafruit-MCP3008-8-Channel-Interface-Raspberry/dp/B00NAY3RB2/">https://smile.amazon.com/Adafruit-MCP3008-8-Channel-Interface-Raspberry/dp/B00NAY3RB2/</a></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small">$7.49 with prime shipping.</div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small">OR 4 for $12.50 and prime shipping. </div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small"> <a href="https://smile.amazon.com/Microchip-MCP3008-I-10-Bit-ADC-Pack/dp/B01HGCSGXM/">https://smile.amazon.com/Microchip-MCP3008-I-10-Bit-ADC-Pack/dp/B01HGCSGXM/</a></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small">And there is an Adafruit tutorial for the MCP3008</div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small"><a href="https://learn.adafruit.com/reading-a-analog-in-and-controlling-audio-volume-with-the-raspberry-pi">https://learn.adafruit.com/reading-a-analog-in-and-controlling-audio-volume-with-the-raspberry-pi</a><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small"><br></div><div><div dir="ltr" class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div></div></div></div></div></div>