
robot junky
Canada
Asked
Any info on using MCP23017 i2c chip? I try to run a simple loop counter with prestart setup (i2c chip i2cwrite(0,0x40,0x3)
i2cwrite(0,0x4E,0x3) ),output ( i2cwrite(0,0x40,$motor1) i2cwrite(0,0x4E,$motor2) ) with a loop and variable scrip and it just disconnects!
Related Hardware EZ-B v4
Upgrade to ARC Pro
Get access to the latest features and updates before they're released. You'll have everything that's needed to unleash your robot's potential!
Based on your post activity, we found some content that may be interesting to you. Explore these other
tutorials and community conversations.
Q2) are you using EZB v4, if yes why you need a 16 bit Port Expander?
Q3) What are you connecting to the port expander ?
Q4) if no wiring, provide more details regarding the setup is a shield or a breadboard ? Are you using i2c pullups ?