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Adjustable Duty Cycle Signal Generator Board Module with NE555

<li>Welcome to our shop! This Pulse Frequency Generator is designed to provide you with a clear and convenient output experience. The LED indication allows you to easily monitor the status of the LED - when the LED is low, it is off, and when the frequency is low, it blinks. This feature enhances visibility and convenience.</li> <li>You can also adjust the output frequency range grade according to your needs. Simply use the shorting cap to select the desired grade, making the output frequency more continuously adjustable.</li> <li>This generator is capable of generating square wave signals with adjustable pulse. The compact and practical design ensures stable performance.</li> <li>With its wide applicability, this generator is suitable for various occasions and can be used with multiple equipment.</li> <li>The item size is 2.9 x 3.6cm / 1.14 x 1.42in, and the fixing hole distance is 22.5 x 30.5mm / 0.89 x 1.2in. The main chip used is NE555.</li> <li>The input voltage range is 5V~15VDC. When supplied with 5V, the output current can be around 15mA; when supplied with 12V, the output current can be around 35mA.</li> <li>The output amplitude ranges from 4.2V V-PP to 11.4V V-PP (the exact amplitude depends on the input voltage). The output current is ≥15mA (with a 5V power supply and V-PP greater than 50%), and ≥35mA (with a 12V power supply and V-PP greater than 50%).</li> <li>The output frequency can be adjusted in different ranges: </li> <li>- Low Frequency: 1Hz ~ 50Hz</li> <li>- Intermediate Frequency: 50Hz ~ 1kHz</li> <li>- Medium And High Frequency: 1kHz ~ 10kHz</li> <li>- High Frequency: 10kHz ~ 200kHz</li> <li>The period T can be calculated using the formula T = 0.7 (RA + 2RB). RA and RB are adjustable from 0 to 10K. The value of capacitor C varies depending on the frequency gear: C=0.001UF in low frequency gear, C=0.1UF in intermediate frequency gear, C=1UF in medium and high frequency gear, and C=100UF in high frequency gear. Therefore, you can calculate the frequency of the waveform according to your needs.</li> <li>We strive for 100% satisfaction, and our customers are our top priority. If you encounter any issues with the product after receiving it, such as damage or incorrect quantity, please contact the seller immediately. We will do our best to provide you with satisfactory after-sales service.</li> <li>Thank you for choosing our Pulse Frequency Generator.</li>

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Clearout Deal

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