This time I received the Silicon Labs BG22-EK4108A Bluetooth development board. The official website link is as follows:
https://cn.silabs.com/development-tools/wireless/bluetooth/bg22-explorer-kitFro
As shown in the figure below, the PWM duty cycle is 50% and the magnification is 2 times. The ripple at point A is about 20mV, but the ripple at output reaches 600mV. Why is this? Thank you!
OPENMV script burningOPENMV script burningThe burning of OPENMV script is relatively simple, mainly relying on the previously installed OPENMV IDE . The specific steps are as follows:Open openmv die ,
[i=s]This post was last edited by damiaa on 2022-10-19 11:09[/i][Telink's new generation of low-power, high-performance, multi-protocol wireless kit B91 review] HomeAssistant+B91zigbee network access
Resources used in practice: 1.5K resistor, 22u capacitor, LOTO oscilloscope, adjustable PWM wave.
Note: The selection of resistance and capacitance values does not need to be accurate. In fact, it is