AA Battery Holder is a plastic holder used to hold AA batteries in place on the circuit and provide electrical connection. There are different models such as single compartment, 2-cell, 4-cell and 8-cell. It can be easily connected to breadboards and Arduino boards via lead wires or JST connector. It is an indispensable component for creating an external power supply in portable robot, car and sensor station projects.
Projects using this component

#22Intermediate
Premium
Laser Warning System
Security project that detects when the laser beam is interrupted via LDR and warns with buzzer and LED. Teaches the logic of light interruption detection with laser-LDR pair.
4.8(64)
82

#23Advanced
Premium
Laser Security System
Advanced security system that activates the alarm when the laser beam is interrupted and can be reset by push button or IR control. Teaches multiple input source and state management.
4.8(60)
77

