#40-1~4, M1S: Digital Potentiometer (Four Nominals)
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Function: Digital potentiometer (5KOhm, 10KOhm, 50KOhm, and 100KOhm versions available)
Form factor: M1S
Category: Input/output module
Special needs: ---
Power requirements: 5V/10mA
See also: ---
The Tibbit is based on the MCP4561 digital POT IC from Microchip. This IC has an 8-bit resolution. Refer to Microchip datasheet for operation details.
There is one red and one yellow LED. The red LED is connected to the SCL line of the I2C interface, the yellow LED -- to the SDA line.
The use of this Tibbit is illustrated by a Tibbo BASIC test project. Yo can find it here: https://github.com/tibbotech/CA-Test-Tibbit-40.