For projects where a microcontroller (like an Arduino) needs to adjust resistance automatically, use a digital potentiometer IC. Adafruit DS3502 I2C Digital 10K Potentiometer Breakout Adafruit Industries Go to product viewer dialog for this item. Microchip MCP4641-104E/ST Digital Potentiometer ICs Mouser Electronics Go to product viewer dialog for this item. Microchip MCP41HV51-103E/ST Digital Potentiometer ICs Mouser Electronics Go to product viewer dialog for this item. Microchip MCP4131/103E/P Digital Potentiometer RS - America Go to product viewer dialog for this item.

Microchip Digital Potentiometer 10KΩ 256-Position 2-Channel Serial-2 Wire Go to product viewer dialog for this item.

Altex Preferred MFG 20-Piece Potentiometer Kit with Knobs - B1K 2K 5K 10K 20K 50K 100K 250K 500K 1M Ohm Altex Electronics Go to product viewer dialog for this item. Electronix Express Potentiometer Kit Electronix Express Go to product viewer dialog for this item. 23P-KIT-100 Potentiometer Kit 100 Pieces ABRA Electronics Go to product viewer dialog for this item.

Potentiometers are variable resistors that allow you to control voltage or current in a circuit by rotating a shaft or sliding a lever. When buying one, you should choose based on the specific application, such as audio volume control, circuit calibration, or digital automation. 🛠️ Potentiometer Assortment Kits

Microchip Technology MCP41U83T-103E/ST Digital Potentiometer, -40 To 125Deg C | Digital Potentiometers Go to product viewer dialog for this item.

Microchip Digital Potentiometer 10KΩ 256-Position Linear Serial-SPI 8 Pin SOIC 5 Mouser Electronics Go to product viewer dialog for this item. Microchip Technology Inc MCP4561T-503E/Ms Go to product viewer dialog for this item. 🎯 Precision Multi-Turn Potentiometers