The output duty cycle can fine-tune. There are 4 jumpers and 2 variable resistors on the module, users can adjust the output wave with these components, to get their ideal wave easily. Technical Specifications: Input Voltage: 5V-15VDC. The SherryDC Womens Girls Cosplay Rainbow Striped Knee High Socks Leg Arm Warmer Fingerless Gloves Set is a colorful and playful accessory that can add personality to any outfit KIRO≈SEEU 5PCS DC5-15V 4.2V V-PP to 11.4V V-PP NE555 Pulse Frequency... ModuÅ‚ ukÅ‚adu czasowego NE555 Generator zestaw DIY (Different input voltage, the output amplitude will be different) Maximum output current: =15mA (5V power supply, V-PP greater than50%),=35mA (12V power supply, V-PP greater than 50%) Output with the LED indicator The output frequency is adjustable:T=0.7(RA+2RB)*C RA and RB can be adjusted (0-10k); Low frequency:C=0.001UF; Intermediate frequency:C=0.01UF; High-frequency:C=1UF; higher frequency:C=100UF Application As a square wave signal generator,generates a square wave signal used for experimental development Used to drive a stepper motor Generate adjustable pulse for MCU Generate adjustable pulse to control circuitry associated Package includes: 5 x NE555 Pulse Frequency Duty Cycle Adjustable Module The 555 timer IC is an integrated circuit that is popular used in a variety of timer, pulse generation, and oscillator applications. This NE555 frequency adjustable pulse generator Module utilizes the NE555 timer IC to generate pulses from about 4Hz to 1.3Khz, which can be used for experimental development, or driving a stepper motor, it would be also a good choice for users learning&experiencing the analog RC circuits. Output LED indicator,: low-level LED light, high-level LED off, the frequency is low when the LED flashes. Function Generator KNACRO NE555 Pulse Module Square Wave Rectangular Wave Signal Generator Pulse Module Ne555