machines/systems/flexibot/docs/marlin/_gcode/M240.md

tag	title	brief	author	requires	group	codes	notes	parameters	videos	examples
m0240	Trigger Camera	Trigger a camera shutter	thinkyhead	PHOTO_GCODE	extras	M240	`CHDK_PIN` or `PHOTOGRAPH_PIN` is required prior to Marlin 2.0.0. To use the `CHDK_PIN` or `PHOTOGRAPH_PIN` option with a digital camera see [this article](//www.doc-diy.net/photo/rc-1_hacked/). To use an endstop or contact switch as a shutter switch for your smartphone's camera, see [this video](//youtu.be/i5g3ziK5wpI).	tag optional description values A true Offset to the X return position. (Requires `PHOTO_POSITION`) tag type offset float tag optional description values B true Offset to the Y return position. (Requires `PHOTO_POSITION`) tag type offset float tag optional description values D true Duration to hold down the shutter switch. (Requires `PHOTO_SWITCH_POSITION` and `PHOTO_SWITCH_MS`) tag type ms int tag optional description values F true Feedrate for the main photo moves. If omitted, the homing feedrate will be used. (Requires `PHOTO_POSITION`) tag type feedrate float tag optional description values I true Shutter switch X position. If omitted, the photo move X position applies. (Requires `PHOTO_SWITCH_POSITION`) tag type pos float tag optional description values J true Shutter switch Y position. If omitted, the photo move Y position applies. (Requires `PHOTO_SWITCH_POSITION`) tag type pos float tag optional description values P true Delay after pressing the shutter switch. (Requires `PHOTO_SWITCH_POSITION` and `PHOTO_SWITCH_MS`) tag type ms int tag optional description values R true Retract/recover length. (Requires `PHOTO_POSITION`) tag type length float tag optional description values S true Retract/recover feedrate. (Requires `PHOTO_POSITION`) tag type feedrate float tag optional description values X true Main photo move X position. (Requires `PHOTO_POSITION`) tag type pos float tag optional description values Y true Main photo move Y position. (Requires `PHOTO_POSITION`) tag type pos float tag optional description values Z true Main photo move Z raise. (Requires `PHOTO_POSITION`) tag type length float	i5g3ziK5wpI

Trigger a camera shutter using a digital pin or by bumping a physical switch.