The Serial Wombat 4B chip. Four smart I/O pins right where you need them.
Step 1. Start Here.
This video will show you how to wire up your Serial Wombat 4B chip and verify that your Arduino board can communicate with it over I2C.
Step 2.
Read Over the Serial Wombat 4B Chip Users’ Guide
It will give you a quick overview of everything your Serial Wombat 4B chip can do, plus links to a lot of useful resources.
Step 3.
Watch a tutorial on the Serial Wombat pin modes you’re interested in.
The Serial Wombat 4B chip can add 3 10-bit A/D converters to your project.
The Serial Wombat 4B chip can simultaneously monitor 2 Rotary Encoders and report changes back to your project when it’s convenient for you.
The Serial Wombat 4B chip can report debounced state, hold times, and transition counts for 4 buttons back to your project when it’s convenient for you.
The Serial Wombat 4B chip can measure pulse width on 4 simultaneous signals. This is great for monitoring incoming R/C servo signals.
The Serial Wombat 4B chip can pull its host’s reset line if the host stops checking in.
The Serial Wombat 4B chip can quickly change an output based on a digital or analog input from another pin, potentially preventing damage to your circuit.
The Serial Wombat 4B chip can add an I2C to UART bridge to add an additional Serial Port to your project
The Serial Wombat 4B chip can control 3 servos without consuming any CPU time on the Host.
The Serial Wombat 4B chip can add up to 3 output and up to 4 input digital lines with optional weak pull-ups.
The Serial Wombat 4B chip be put in low power mode when not active