Electrical Supplies
SAMIROB DD4012SA 1A DC 5-40V to 3V 3.3V 3.7V 5V 6V 7.5V 9V 12V Regulator DC-DC Step-Down Buck Converter Module Board
SAMIROB DD4012SA 1A DC 5-40V to 3V 3.3V 3.7V 5V 6V 7.5V 9V 12V Regulator DC-DC Step-Down Buck Converter Module Board
https://www.bizrate.co.uk/electricalsupplies/samirob-dd4012sa-1a-dc-5-40v-oid34537291236.html