DVB01 Digital Display Window Voltage Comparator Module Take full control of your voltage monitoring with the ALLOYSEED DVB01 Digital Voltage Comparator Module. Engineered for hobbyists, engineers, and electronics professionals alike, this compact yet powerful module delivers high-precision voltage measurement, charge/discharge monitoring, and relay control — all in one easy-to-use package. Whether you're managing battery systems, power supplies, or custom automation circuits, the DVB01 has you covered. Made in Mainland China. Why Choose the DVB01 Voltage Comparator Module? High Precision Measurement: Measures DC voltages from 0–99.9V with an accuracy of ±0.1V, giving you reliable, real-time readings you can trust. Wide Input Voltage Range: Compatible with DC 5V, 12V, and 24V working voltages — perfect for a broad range of circuits and applications. 5 Selectable Functions: Choose from voltage measurement, charge monitoring, discharge monitoring, interval suction, or outside-interval relay control to match your exact needs. Fast Response Time: Ideal for high-frequency signal processing and real-time sensor feedback control applications. Low Power Consumption: Draws less than 3mA in display-off mode, extending battery life and reducing energy costs. Adjustable Delay Functions: Set 0–99.9 second delayed relay engagement and disengagement for fine-tuned automation control. Non-Volatile Memory: All user-defined parameters are saved automatically — settings are retained even after a power cycle. Auto Power Saving: Built-in automatic power saving mode that users can configure independently. Module Functions at a Glance Voltage Measurement: Relay remains inactive; digital display shows the live measured voltage. Charge Monitoring: Relay engages when voltage drops below the lower limit; disengages when it exceeds the upper limit. Discharge Monitoring: Relay engages when voltage exceeds the upper limit; disengages when it falls below the lower limit. In-Interval Mode: Relay engages when voltage is between the upper and lower limits; disengages otherwise. Out-of-Interval Mode: Relay engages when voltage is outside the set limits; disengages when within range. Technical Specifications Working Voltage DC 5V / 12V / 24V (±10% tolerance) Operating Current (5V)
