Features a size: height 16.5mm long 37mmX wide 31mmX Second, the main chip: LM393 op amp, WCS1700 three, working voltage: DC DC 5V four characteristics:
Features a size: height 16.5mm long 37mmX wide 31mmX Second, the main chip: LM393 op amp, WCS1700 three, working voltage: DC DC 5V four characteristics: