This is an independent laser motion sensor to sense filament clog or runout.Designed by Mark in China
This is an independent laser motion sensor to sense filament clog or runout. What is it ? if it detect the clog or runout,it will set the output signal line to low or high voltage which tell the mo...Read More…
This is an independent laser motion sensor to sense filament clog or runout.
if it detect the clog or runout,it will set the output signal line to low or high voltage which tell the mother board to pause printing.
it works with the motherboard which have run out connector.
It compares the movement of extruder and filament at the same time.that means you do not need to worry about how long of the travel length and how much of the travel time in non print moves while printing
There is a micro controller on the board that read the sensor and process the algorithm instead of directly by motherboard that process this with the lowest priority and not fast enough sometimes
For it no needs to send digital signal (0-1-0…) during movement all the time with the long line beside the line of motor,so it more stable in hardware too.
This tracking system also does not require code wheel, code strip and any special marking on tracking surface.
You can change the sensitivlty,output alarm time and output signal level by serial tools or send command.
have test the A4988/TMC2208/TMC2209
If the motor current is too low, it can not work probably,movement cannot be recognized,because this module read the wave of motor current. recommend use it as standalone mode.
for some uart mode, you need to increase the current enough. also there is a hardware solution for the low current,need to change 4 resistors values,you can contact me with email or facebook.
1 * board
1 * motor line 4pins
1 * connect to motherboard line 3pins
2 * screws for the printed mod
1 * Printed a mod for filament insert
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