Hi.
We need to ring the Buzzer with 4.2kHZ PWM.
However, in the event of 4.2kHZ in nRF51822 PWM is inaccurate about 2us.
Please tell us how to fix it.
※link Very Simple Code(SDK v6.1.0)
※ test environment
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Nordic chip
2nd revision H/W
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SD (SoftDevice) / SDK version
SD v6.0.0 / SDK v5.2.0
SD v7.0.0 / SDK v6.1.0
SD v8.0.0 / SDK v8.0.0
※Capture