5 V is seen as high (assuming 5 V supply)
It's a 6x4 inches Single Sided Copper Clad Laminate PCB Circuit Board
With a new tip for your soldering gun
These are Carbon Film Resistor with a value of 18 ohm 1/2W and tolerance of ±5%
Input Voltage 5 V SPI Flash Default 32 Mbit RAM 520 KB SRAM + 4 MB PSRAM Bluetooth Bluetooth 4
6A 250V AC ON-OFF Momentary Switch 5 Pin 5 V is seen asIt is an On Off SPDT rocker Switch, Its operating current is 10A at 125V and 6A is on 250V, This switch is an SPDT rocker switch. It is frequently used in small appliances, AC and DC power ON OFF switches, computers, peripheral devices, and medical equipment. It is used in DIY Applications. This switch works well to turn on off and control DC Motors used in Robots, Cars, Motorcycles, Industrial Machinery, Water Dispensers, and other Applications.