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while that of 51 single chip computer is 5V
makes the circuit highly tolerant to slower clock rise and fall times
The lock normal position (when no power supply) is locked as the lock tongue is outside and fully extended
Recommended control voltage: 5-10V (maximum 10V)
you can adjust the digital output sensitivety by the on-board potentiometer
L7909 - VOLTAGE REGULATOR (-9V -1A) 208 while that of 51 singleIntroduction : L7909CV Ve Voltage Regulator ( 9V 1A) is a three terminal linear voltage regulator IC with a fixed output voltage of 9V which is useful in a wide range of applications. Features : Output Voltage: 9V Maximum Input Voltage: 35V Maximum Output Current: 1A Dropout Voltage: 1. 4V No. of Pins : 3 pins
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