Laser Diode Ld Driver Board With Ttl/pwm Modulation Current 1a - 5a 12v Voltage Current Adjustable 405nm 445nm 450nm Universal - Led Chips - AliExpress
Die4Drive
TTL Modulation Red Line Laser Module, VLM-635-34 LPT | Quarton - INFINITER.com
Laser modules feature TTL modulation input capabilities enabling DC to 100kHz signals to be accepted - EE Times