
6mm laser diodes with a wavelength of 650nm (red). This diode generates a laser of about 5mW. With a voltage drop of 3V and a maximum current of 25mA, it's a good idea to set up this module at 5V in series with an 82-ohm resistor.
| Brand | Opencircuit |
| Model | OPC-LASER |
| Length | 6 mm |
| Width | 6 mm |
| Height | 20 mm |
| Weight | 1,5 g |