CentIoT - DC-DC 16-120V to 12V 3A Step Down Buck Converter Non-isolated Stabilizer Power Supply Module AU082-TDA7492-2X50W 3V support SD card

3V support SD card

Solar panels

Working voltage: 3

but I find that additional optical shielding is required

3) Built-in three-stage over-current detection circuit (over-current 1

CentIoT - DC-DC 16-120V to 12V 3A Step Down Buck Converter Non-isolated Stabilizer Power Supply Module AU082-TDA7492-2X50W 3V support SD cardBrand: CentIoT Features: Product Name: 12V 3A DC Step Down Power Supply Module; Working Voltage: DC 16V 120V(Keep input is at least 4. 0V high than output); Output Voltage: DC 12V; Output Current: 3A; Output Power: 36W; Conversion efficiency: About 96%(The smaller the differential voltage, the higher the efficiency); Working frequency: 140KHz; Soft Starter: Yes(Failure at high power load); Over temperature protection: Yes; Overvoltage protection: Yes;