1 Signal Generator. LED Output Indicator: Visually displays signal status with LED lighting for low level and blinking at low frequencies.
NE555 Pulse Module Signal Generator with Three Frequency Bands Low Medium High
NE555 Pulse Module Adjustable Frequency 1Hz-200kHz for Circuit Testing
NE555 Pulse Module for Electronic Testing Adjustable Frequency Duty Cycle
NE555 Signal Generator Module for Square Wave Pulse Output 5V-15V DC Input
NE555 Signal Generator Kit Adjustable Frequency 1Hz-200kHz Variable Pulse Width