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Getting Started Guide
You can use this pulley with 5mm shaft or NEMA 17 stepper motor
74HC195 is High-Speed CMOS Logic
Working environment temperature: -25℃+55℃
This IC is typically used with common-anode 7-segment displays
High Sensitivity Vibration Detection Sensor (Vertical) timer 555 Getting Started GuideThis is a high sensitivity vibration detection sensor. It detects the slightest motion and trigger a signal. The sensor has a small spring inside a metal tube. When the sensor vibrates, the spring hits the metal tube and the sensor will be activated. The sensor can be used in car alarm, front door alar, toys, security, motion detection and many other applications. Features Working Voltage: < 12V Max current: 50mA Operating temperature range: 40 to 80