Description:
1. Size: 20mm * 40mm 2. Function: to produce a square wave or square wave at different frequencies; 3. Parameter index: (1) Power supply: Input voltage: 5V. 5V supply, the output current can be around 10MA; (2) Frequency: 5 bands (Found) J1 file: 0.6Hz ~ 25Hz J2 file: 7Hz ~ 300Hz J3 file: 50Hz ~ 2.5kHz J4 block: 350kHz ~ 6.6kHz J5 block: 6.7kHz ~ 180kHz Adjustable duty cycle range: 0.4-0.99 (3) LED output indicator, low level LED lights, LED off high, led flashing speed represents the frequency of the output changes; in addition to select different bands outside jumper cap, RV1 adjustment can adjust the frequency, the regulation can be seen flashing led adjust the corresponding frequency change; (4) Input Current: ≥100MA (5) Output voltage: 4.2V (6) The output frequency is calculated: Period T = 0.7 (Ra + 2Rb) C Ra, Rb for 0-10K adjustable; (7) Input: VCC GND Output: VCC OUT GND input voltage and output consistency here, the purpose of user-friendly, you can follow-up power supply. OUT is the output frequency signal. Package included: 1PCS *NE555 Adjustable Pulse Generator Package includes: NE555 Duty Ratio Adjustable Pulse Generator Adjustable Small Signal Generator
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