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very useful in many applications and experiments
This IC is typically used with common-anode 7-segment displays
It is used for controlling stepper motor stepping and direction It can withstand voltage up to 50V and output current up to 5A
74HC195 is High-Speed CMOS Logic
High Sensitivity Vibration Detection Sensor (Vertical) timer 555 very useful in many applicationsThis 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