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TTL output
Dual VNH5019 motor driver shield can be easily inserted into Arduino various compatible controllers
Resistance temperature detectors (RTDs) are temperature sensors that contain a resistor that changes resistance value as its temperature changes
80C51 microcontroller core with 40 Kbyte ROM and 1 Kbyte RAM
Magnetic Door Switch Current Sensor TTL outputIntroduction : With Magnetic Door Switch it is possible to monitor unauthorized opening of doors as well as side panels. Magnetic Door Switch comprises two parts the magnet and a magnetically sensitive switch. When the door is closed the two pieces should be in close contact of each other. When the door opens this distance increases, Depending on your setup and what mode your system is in, this could be a discreet text, a chime alert, or a full blown
