DescriptionA piezo buzzer is used to generate tones, beeps, and alerts. This small buzzer is breadboard compatible and can generate a 2KHz tone with 3-12V peak to peak square wave.To use this buzzer, connect one pin to ground and the other to a microcontroller programmed to output a square..
Product description:1. Maximum load on normally open pin: AC 250V/10A, DC 30V/10A.2. Trigger current 5mA;3. Power indicator light (green), relay status indicator light (red); Module interface specifications:1. DC+ : DC power supply positive pole2. DC- : DC power supply negative pole3. CH1..