Components that earn their place.

A double-pin screw terminal is a small electrical connector with two connection points, used to securely connect wires to electronic circuits or modules.

A female header pin is an electronic connector with small metal sockets arranged in a row and held together by a plastic housing.

Multimeter probes are insulated test leads used with a digital multimeter to measure electrical values such as voltage, current, and resistance.

A DC jack male is a power connector used to supply DC electrical power from an adapter, battery, or power source to an electronic circuit or device.

A female-to-female jumper wire is an electrical connecting wire with female connectors on both ends, used to connect components that have male header pins.

A male-to-female jumper wire is an electrical connecting wire with a male pin on one end and a female connector on the other end.

A male-to-male jumper wire is a short electrical wire with male connector pins on both ends, used to connect electronic components, sensors, modules, and Arduino boards.

A double AA battery holder is a plastic holder designed to securely hold two AA-size batteries and connect them to an electronic circuit.

An AA battery holder (single-cell) is a small plastic holder designed to securely hold one AA-size battery.