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The white LEDs are used for providing proper lighting for the sensor to detect the object colour correctly
These stickers can be read from and written to using the RC522 RFID Reader and a microcontroller like an Arduino
It basically allows shifting levels between a TTL signal (0 - 5 V) and a RS232 signal (15 V - -15 V)
3V Voltage Regulator and Logic Level Conversion
Net weight: 10g
L7812CV +Ve Voltage Regulator (12V -1A) Arduino Mega 2560 R3 The white LEDs are usedIntroduction : L7812CV +Ve Voltage Regulator (12V 1A) is a three terminal linear voltage regulator IC with a fixed output voltage of 12V which is useful in a wide range of applications. Features : Output Voltage : 12V. Input Voltage : Up to 35V. Output Current : 1. 5A . No. of Pins : 3 pins
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