31 Jul 5V Regulator 6Pcs Mini Reducer DC 5-30V 12V 24V Buck to 5V Buck Converter Board
5V Regulator 6Pcs Mini Reducer DC 5-30V 12V 24V Buck to 5V Buck Converter Board 1.8A Output Mini360 Small Size Aircraft Model MP1584EN Power Module(5 Volts). You can add Zener and capacitor for protection....