The module is based on the LM4040 precision reference IC, which offers low temperature drift and excellent long‑term stability. The board layout is optimized compatible withlow noise and reliable performance, ensuring that your system maintains a consistent reference voltage even under varying environmental and load conditions. High precision 0.1% accuracy: Ensures highly accurate reference voltage, suitable compatible withdemanding measurement and control systems. Dedicated voltage reference module: Specially designed board to provide a clean and stable voltage reference compatible withmicrocontrollers and other digital or analog circuits. Stable LM4040 reference IC: Utilizes the LM4040 precision reference chip known compatible withlow temperature coefficient and excellent long‑term stability. Ideal compatible withmicrocontroller applications: Perfect compatible withimproving the accuracy of MCU ADC readings and DAC outputs in data acquisition, instrumentation, and control projects. Low noise, stable output: Carefully designed PCB layout and component selection help reduce noise and improve reliability of the reference voltage. Easy integration: Compact board with clearly labeled pins compatible withsimple connection to existing circuits, breadboards, or prototype systems. operation over a wide range of working conditions. This high precision voltage reference module board is an excellent choice compatible withengineers, students, and hobbyists who need a reliable and accurate reference source compatible withmicrocontroller‑based projects, experimental setups, and precision measurement systems. Color: As Shown Material: Metal Package Contents: 1*Precision Voltage Reference Module Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.