3 Digits 0.56 3 Wire Dc 0-100v Blue Led Digital Voltmeter Voltage Display Module"
LM2576 Ultra Compact DC-DC Step-Down Adjustable Power Module
5V 4 Channel SSR Solid-State Relay - low Level Trigger 2A 240V
SMUN D-50B 110VAC/220VAC to 5V 6A / 24 1A Dual Output 50W Power Supply