Relay Module (2 Channels - 5V) 74161 The TC output thus enabled

The TC output thus enabled will produce a HIGH output pulse of aduration approximately equal to a HIGH output of Q0

which produces a voltage output rather than a current output

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where a changing input signal produces the sound

Each level converter in this module has the capability of converting 4 pins on the high side to 4 pins on the low side

Relay Module (2 Channels - 5V) 74161 The TC output thus enabledIntroduction : It is a 2 channel relay board, which can be controlled directly by a wide range of microcontrollers such as Arduino, AVR, PIC, ARM, PLC, etc. It is also able to control various appliances and other equipments with large current. used where it is necessary to control a circuit by a low power signal (with complete electrical isolation between control and controlled circuits), or where several circuits must be controlled by one signal.