Ne555 Pulse Frequency Duty Cycle Adjustable Module Square Wave Signal Generator Delay Timer Relay • In-Circuit Debugging via two

• In-Circuit Debugging via two pins

VCC:Supply voltage positive 5V

and breadboard-friendly board based on the ATmega328 (Arduino Nano 3

TXD: Serial data transmission pin series TTL level compatible with 3

The leak indicator is on and the power is restored automatically 10 seconds later

Ne555 Pulse Frequency Duty Cycle Adjustable Module Square Wave Signal Generator Delay Timer Relay • In-Circuit Debugging via twoNE555 Pulse Frequency Duty Cycle Adjustable Module Square Wave Signal Generator is 5 V square wave signal generator. Wave Signal Generator generates a square wave signal used for experimental development. Also, use to drive a stepper motor for generating a square wave drive signal. The output duty cycle can fine tune. Duty cycle and frequency is not separately adjustable, adjusting the duty cycle will change the frequency. Features of NE555 Pulse