Features: 【Precise Resistance Adjustment】The DS3502 I2C digital potentiometer offering 256 programmable resistance values for accurate control. Its I2C port enables seamlessly resistance tuning for electronics projects. 【Broad Compatibility】This digital potentiometer works with various microcontrollers and processors via I2C communication. Features QT/Qwiic plugs play (address 0x28). 【Low Power Efficiency】Operating at 2.7V–5.5V, it minimizes energy consumption for battery powered devices. The nonvolatile memory retains setting without power, extending portable device running time. 【Stable & Reliabled Performances】With ±20% tolerance and 10kΩ end to end resistance, it delivers consistent operating. ensuring setting survive power cycles, precise instruments. 【Easy Installation】Compactly design allows tool less mounting. Supports 1million write cycles, for enthusiasts and engineers prototyping circuits. Specifications: 1. Nonvolatile digital potentiometer 2.256bit 3.I2C control 4 QT/Qwiic interfaced Number of channels: 1 Resolution: 8 bits (256 levels) End-to-end resistance: 10kΩ Resistor tolerance: ±20% Nonvolatile storage: saves setting Supply voltages: 2.7V ~ 5.5V Interfaces: QT/Qwiic (I2C address 0x28) Module size: 25.4x17.8x5mm Nonvolatile storage: saves setting and will not be lost when power is off High reliability: 1million write cycles Package Includes: 1PC DS3502 QT module note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.