Fixed frequency/audio dual mode high frequency series resonance inverter pulse density power modulation module
simple DRSSTC/SSTC dual mode arc extinguishing
board area only 5cm*3cm
Type-C interface 5V input onboard boost power supply
3.5mm left and right channels Select audio input
HFBR-1414TZ optical signal output
with long pulse width mode (silk screen LPWM) and low frequency pulse mode (silk screen LFPM)
Demonstration: [DRSSTC micro dual-mode arc extinguishing (Type-C power input, audio/fixed frequency dual mode, supports low-frequency pulse and long pulse width modes) - Bilibili] https://b23.tv/JGbroPU
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