20pcs diy ne555

DIY NE555 Square Wave Signal Generator Pulse Generator Electronic Production Kits Parameter: Main chip: NE555Input voltage: DC 5V-15VInput current ? 100MAOutput current: 15MA-35MAOutput amplitude: 4.2V-11.4V V-PPMaximum output current:? 15MA (5V supply, V-PP greater than 50%),? 35MA (12V supply, V-PP greater than 50%) Application scope: 1. It is used as a square wave signal generator to generate square wave signals for experimental development and use.2. Used to generate a square wave signal that drives a stepper motor driver.3. Generate adjustable pulses for use by the MCU.4. Generate adjustable pulses to control the associated circuitry. Features: 1. Output with LED indication; (the LED is on when in the low level, the LED is on when in the high level, and the LED is flashing when the frequency is low) 2. The output frequency range is optional (use the short-circuit cap) to make the output frequency more continuously adjustable;low frequency range: 1Hz - 50Hzintermediate frequency range: 50Hz - 1kHzhigh frequency range: 1KHz - 10kHzhigh frequency range: 10kHz - 200kHz 3. The output duty cycle can be fine-tuned, the duty cycle and frequency are not separately adjustable, and the duty cycle is adjusted to change the frequency. 4. The output frequency is adjustable;cycle T=0.7(RA 2RB)CRA, RB is 0-10K adjustable;C=0.001UF at low frequency;in the middle frequency range, C=0.1UF;in the high-frequency file C=1UF;high frequency file C=100UF Package included: 1 X DIY NE555 square wave signal generator pulse generator kits

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FAST AFFORDABLE COURIER SHIPPING TO SOUTH AFRICA Description: Circuit functions: With the sound of music or other sounds, LED lights follow the rhythm of the sound (the speed of the sound) and flicker. After successful welding, you can feel the wonderful combination of sound and light. Working voltage: 3-4.5V (if you need a higher working voltage, please add a current limiting resistor on LED, usually tens of euro to 100 euro). Circuit principle: Sound-controlled LED melody lamp circuit consists of power supply circuit, microphone amplification circuit, LED luminous indicator circuit, power supply by JP input, C1 filter power supply circuit. MIC converts sound signals into electrical signals, which are coupled by C2 to Q2 amplification. The amplified signals are sent to Q1 base. Q1 drives LED to emit light. The louder the sound, the brighter the LED. Package Included: 20 x DIY Voice Controlled Melody LED Flash Kit 20pcs DIY Voice Controlled Melody Light 5MM Highlight DIY LED Flash Electronic Training Kit 20pcs DIY Voice Controlled Melody Light 5MM Highlight DIY LED Flash Electronic Training Kit 20pcs DIY Voice Controlled Melody Light 5MM Highlight DIY LED Flash Electronic Training Kit

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Parameter:   Main chip: NE555 Input voltage: DC 5V-15V Input current ≥ 100MA Output current: 15MA-35MA Output amplitude: 4.2V-11.4V V-PP Maximum output current: ≥ 15MA (5V supply, V-PP greater than 50%), ≥ 35MA (12V supply, V-PP greater than 50%)   Application scope:   1. It is used as a square wave signal generator to generate square wave signals for experimental development and use. 2. Used to generate a square wave signal that drives a stepper motor driver. 3. Generate adjustable pulses for use by the MCU. 4. Generate adjustable pulses to control the associated circuitry.   Features:   1. Output with LED indication; (the LED is on when in the low level, the LED is on when in the high level, and the LED is flashing when the frequency is low)   2. The output frequency range is optional (use the short-circuit cap) to make the output frequency more continuously adjustable; low frequency range: 1Hz - 50Hz intermediate frequency range: 50Hz - 1kHz high frequency range: 1KHz - 10kHz high frequency range: 10kHz - 200kHz   3. The output duty cycle can be fine-tuned, the duty cycle and frequency are not separately adjustable, and the duty cycle is adjusted to change the frequency.   4. The output frequency is adjustable; cycle T=0.7(RA+2RB)C RA, RB is 0-10K adjustable; C=0.001UF at low frequency; in the middle frequency range, C=0.1UF; in the high-frequency file C=1UF; high frequency file C=100UF   Package included:   5 X DIY NE555 square wave signal generator pulse generator kits