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It basically allows shifting levels between a TTL signal (0 - 5 V) and a RS232 signal (15 V - -15 V)
with a built-in keypad engine
which has RGB and Clear light sensing elements
It can detect LPG
This sensor is pre-calibrated and don’t require extra components so you can start measuring relative humidity and temperature right away
L7812CV +Ve Voltage Regulator (12V -1A) Arduino Mega 2560 R3 It basically allows shifting levelsIntroduction : 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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