Old Pueblo Engineering Center
Founded 2006 in Tucson, AZ. to explore Human/Robot Interactivity
“Drilling Brains for a New & Better Use of Technology”
Patents Pending


Ready-2-Play Robotics
5t4nd1ng @ th3 3dg3 0f 5p3ct4t10n!

Give a child a toy and they're happy for an hour.
Teach a child how to make their own toys, and they're happy for life!

Experiment 26: DS1804 NonVolatile Trimmer Potentiometer


The DS1804 NV trimmer potentiometer is a nonvolatile digital potentiometer that has 100 positions.

The device provides an ideal method for low-cost trimming applications using a CPU or manual control input with minimal external circuitry.

Wiper position of the DS1804 can be stored in EEPROM memory on demand. The device’s wiper position is manipulated by a three-terminal port that provides an increment/ decrement counter controlled interface.

This port consists of the control inputs CS , INC , and U/ D .

The DS1804 is available in three resistor grades, which include a 10k?, 50k?, and 100k?. The device is provided in an industrial temperature grade.

Additionally, the DS1804 will operate from 3V or 5V supplies and is ideal for portable application requirements.