Components that earn their place.

A boost converter is an electronic device used to increase (step up) a lower DC voltage to a higher DC voltage.

A buck converter is an electronic device used to reduce (step down) a higher DC voltage to a lower DC voltage.

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 60W glue gun is an electrical tool used to melt and apply hot-melt glue for joining and fixing different materials.

A 20W glue gun is a small electrical tool used to melt and apply hot-melt glue for joining and fixing materials.

The L298N motor driver is an electronic module used to control DC motors and stepper motors with a microcontroller such as an Arduino UNO.

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