Rookie question? Replace CR2032 battery with 3V AA power supply
Power Supply 3V AA Battery Eliminators Cable for Toy Controllers Battery Cable C1FD - AliExpress
EL Wire Power Supply (3V AA) - ElectricDanceCulture
5v To 3 3v
USB2.0 Data Communication Interface Portable Leeb Hardness Tester with 3V AA Battery Power - China Portable Hardness Tester, Portable Leeb Hardness Tester | Made-in-China.com
Power Supply 3V AA Eliminators Cable for Toy Controllers Cable 40GE - AliExpress
EL Wire Power Supply (3V AA) - ElectricDanceCulture
Power Supply 3V AA Battery Eliminators Cable for Toy Controllers Battery Cable C1FD - AliExpress
2Pcs 2 x 3V AA Battery Holder Enclosed Case Box On-Off Switch 160mm Leads Black | eBay
Amazon.com: 2in1 5V USB To 3V Dual LR6 LR03 Battery Power Supply Cable Replace 2x 1.5V AA AAA Battery Eliminator for LED Light Toys Luminara Candles Walkie Talkie and More,USB AA Battery
Amazon.com: 2in1 5V USB To 3V Dual LR6 LR03 Battery Power Supply Cable Replace 2x 1.5V AA AAA Battery Eliminator for LED Light Toys Luminara Candles Walkie Talkie and More,USB AA Battery
SparkFun Breadboard Power Supply 5V/3.3V - PRT-00114 - SparkFun Electronics