This diagram uses the original Trinket but you can also use the Trinket M0 with the exact same wiring!
For testing:
Laser red wire and servo red wire to USB+ on Trinket
Laser black wire and servo brown wire to Gnd on Trinket
Servo orange wire to #0 on Trinket
For battery power:
Laser red wire and servo red wire to BAT+ on Trinket
Laser black wire and servo brown wire to Gnd on Trinket
Servo orange wire to #0 on Trinket
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