Mini Diffrential IR sensor for Anet A8
thingiverse
I adopted it from DC42 design publiced on https://github.com/dc42/OrmerodSensorBoard The layout is med by Eagles on single side PCB +The firmware is littebit modified in MiniLedSensor.cpp# original const unsigned int PortBNearLedBit = 1; const unsigned int PortBFarLedBit = 0; modify const unsigned int PortBNearLedBit = 0; const unsigned int PortBFarLedBit = 1; The fuse of tiny25/45/85 as 0xE2; 0xDF, 0xFF avrdude argument: -U lfuse:w:0xe2:m -U hfuse:w:0xdf:m -U efuse:w:0xff:m The IR led and phototransistor tacken from Opto Interrupter TLP832, ITR8606 ... (both of them are tested). For Marlin firmware RC8 (Skynet3D 2.3.1) Modification in configuration.h '#define Z_MIN_ENDSTOP_INVERTING false '#define Z_MIN_PROBE_ENDSTOP_INVERTING false '#define X_PROBE_OFFSET_FROM_EXTRUDER -28 '#define Y_PROBE_OFFSET_FROM_EXTRUDER 0
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