Skip to main content

camera-flash-wiring

Camera and Strobe wiring#

The following below is based on the set used on cam 4. Feel free to modify to simplify/improve the design.

Wiring diagram

Camera trigger Opamp

Camera trigger signal from pixhawk/pixhack has a voltage of 2.3V, while the camera modules require 3.3-5V in order to be counted as an active high signal. An opamp is hence used to amplify the signal.

Model: SparkFun OpAmp Breakout - LMV358 Purpose: Amplify signal between pixhawk AUX pins and Camera

Procedures:

1) Remove the two resistors as above and short using solder. (Blue arrows)

2) Connect corresponding wires

  • Vcc: External 3.3/5V voltage from Pixhawk(Serial, GPS port, etc), or Battery
  • Gnd: Ground wire.
  • Out: Out trigger wire, to both camera modules.
  • In: Signal in from Pixhawk/Pixhack.

3) Connect OUT signal to Oscilloscope, adjust knob (green arrow) till amplified signal can be seen(3.3V - 5V). Fixed the knob with hot glue.

LED Flash driver

Model: RCD-24-PL

Pinout

  • Gnd: Ground
  • PWM: Connected to Strobe out port from one or both camera modules
  • +Vin: >10V voltage from battery
  • +Vout/-Vout: To flash unit

Strobe setting(Inside tcam capture)

Important settings:

  • Strobe enable: [✓]
  • Strobe exposure: [x]
  • Strobe polarity: [x]
  • Strobe duration:Substainable (>10K)
  • Strobe delay : 0
  • Trigger polarity: Rising edge
  • Trigger exposure mode: Frame start
Last updated on