LM2596S Step-Down DC-DC Voltage Reduction Module, 3.2V~40V to 1.25V~35V Buck Converter Set of 6 20x150mm borosilicate

Set of 6 20x150mm borosilicate glass test tubes with wooden rack with drying pins

large and small

a WEP 70 electric soldering iron and a PH 70 safety rest

Includes micropipette

ADK/Mega R3

LM2596S Step-Down DC-DC Voltage Reduction Module, 3.2V~40V to 1.25V~35V Buck Converter Set of 6 20x150mm borosilicateModel: LM2596S DC DC voltage reduction module Input Voltage: 3. 2V ~ 40V Output Voltage: 1. 25V ~ 35V Output Current: 3A ( maximum ) Conversion Efficiency: 92% ( highest ) Output ripple: <30mV Switching Frequency: 65KHz Size: about 43mm * 21mm * 14mm 1. 69 * 0. 83 * 0. 55 inches Working Temperature: 45 F ~ +85 F Connection port: IN + input positive IN input negative OUT + output positive OUT output negative Input Voltage Range: DC 3. 2V to 46V ( the