High Efficiency DC DC Buck Converter 8 to 55V to 3.3V 5V 12V Adjustable Step Down Power Supply Module Voltage Regulator-OKYN401-39
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Industrial DC to DC Buck Converter Module 12V to 5V 3.3V Step Down Voltage Regulator Board Adjustable Power Supply-OKYN240815-6
Dual Channel 39W TDA7379 Amplifier Board with AD828 Preamp Module HiFi Audio DIY for Home Theater-OKYN240318-3
XL4005 5A DC to DC Buck Converter Step Down Module Adjustable CC CV Lithium Battery Charger with Protection-OKYN221226-21
LM2596S LM2577 Adjustable Buck Boost Converter DC to DC Step Up Down Voltage Regulator Power Module-OKYN2323
AD828 HiFi Stereo Preamp Amplifier Board Module DC 5V to 15V Dual Channel Audio Pre Amplifier DIY Upgrade-OKYN202508
