Mini Step-Down Module 6V/9V/12V-30V to 3.3V/5V 3A

$3.89

DC-DC Step-Up Power Supply Module 2-24V Input Adjustable Output

$1.43

Voltage Regulator Module LM2596 Adjustable 3.3V 5V for Electronics

$10.60

DC-DC Step-Down Power Module 12V to 3.3/5V Multi-Output

$17.16

DC-DC Step-Down Voltage Regulator Module 24V to 12/5/3.3V Adjustable

$3.53

Integrated Charge/Discharge Module 5V 2A 3.7/4.2V Lithium Battery Boost Protection

$2.42

Step-Down Power Module 10-110V to 5V/12V 5A High Temperature Resistant

$6.22

Breadboard Power Module MB-102 Dual-Channel 5V/3.3V Black

$6.01

Mini Boost Board DC-DC Switching Power Supply Module 5/9/12V 2A

$2.14

Monitor Power Adapter 19V 1.31A Compatible with Multiple AOC Models

$14.50

Four-Channel Power Module Adjustable Wide Voltage Input for Electronic Competition

$5.50

AC-DC Step-Down Power Module 220V to 3.3V/5V/12V/24V 1A Regulated

$2.85