3 Pin PCB Terminal Block 7.5mm Pitch 20A Rating ZB429 1.8E and you can connect it

and you can connect it to the internet using your SIM card data plan

among other things

These are Carbon Film Resistor with a value of 20k ohm 1/8W and tolerance of ±5%

Standby Current: ‚¬°¤6mA

3 Pin PCB Terminal Block 7.5mm Pitch 20A Rating ZB429 1.8E and you can connect itTerminal blocks (also known as screw terminals) are electrical connectors that allow you to connect wires in the same circuit without cutting or splicing them. Screw with 3 pins. The Terminal Block is a multifunctional and small terminal block. It's used to connect wires to the circuit board. The terminal block's small size allows it to connect two conductors on a PCB where space is at a premium. The wires are held in place by screws on this terminal