Boating training rhythm directing device
A conductor, rhythm technique
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[0038] As shown in Figure 1, the rowing training rhythm director includes a power supply voltage stabilization circuit, a CPU control circuit, an indicator light and a peripheral storage circuit, a frequency display circuit, a buzzer circuit, a watchdog and a voltage detection circuit, and a rechargeable battery. ; The input terminal of the power supply voltage stabilizing circuit is connected with the rechargeable battery, and the output terminal of the power supply voltage stabilizing circuit provides +5V power supply; the indicator light and peripheral storage circuit, frequency display circuit, buzzer circuit, watchdog and voltage detection circuit are respectively It is connected with the pin of the central processing unit of the CPU control circuit.
[0039] As shown in Figure 2, the power supply voltage stabilizing circuit is composed of a dial switch SW, a first capacitor C1, a second capacitor C2, and a voltage stabilizing chip AS1117. One end of the dial switch SW and...
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