diff options
| -rw-r--r-- | NEJE_Laser_Etcher.mdwn | 16 | ||||
| -rwxr-xr-x | NEJE_Laser_Etcher/IMAG0028.jpg | bin | 0 -> 229774 bytes | |||
| -rwxr-xr-x | NEJE_Laser_Etcher/IMAG0030.jpg | bin | 0 -> 235552 bytes | |||
| -rw-r--r-- | NEJE_Laser_Etcher/pwm_filter_lm317t_rework.jpg | bin | 0 -> 359075 bytes |
4 files changed, 14 insertions, 2 deletions
diff --git a/NEJE_Laser_Etcher.mdwn b/NEJE_Laser_Etcher.mdwn index 15b2df5..d0ccfef 100644 --- a/NEJE_Laser_Etcher.mdwn +++ b/NEJE_Laser_Etcher.mdwn @@ -49,5 +49,17 @@ Settings copied from [this link](http://www.isolateddesertcompound.com/2015/08/2 $132=175.000 (z max travel, mm) ok -ATmega328 TQFP pinout: -[[!img atmega_pinout.png]]
\ No newline at end of file +ATmega328 TQFP pinout:. + +[[!img atmega_pinout.png]] + +# Updating to GRBL 0.9 to use PWM, reworking PCB to filter PWM and adjust an LM317T to buffer the laser voltage. +[[!img pwm_filter_lm317t_rework.jpg]] + +### Results +[[!img IMAG0030.jpg]] +[[!img IMAG0028.jpg]] + +Using M3 to turn on the laser (spindle on) then using S0, S100, S200 (max is S1000) I could see the voltage step as expected. +When I connected the laser, it started to get dimly visible around S160 + diff --git a/NEJE_Laser_Etcher/IMAG0028.jpg b/NEJE_Laser_Etcher/IMAG0028.jpg Binary files differnew file mode 100755 index 0000000..d8c4c99 --- /dev/null +++ b/NEJE_Laser_Etcher/IMAG0028.jpg diff --git a/NEJE_Laser_Etcher/IMAG0030.jpg b/NEJE_Laser_Etcher/IMAG0030.jpg Binary files differnew file mode 100755 index 0000000..3b4ba20 --- /dev/null +++ b/NEJE_Laser_Etcher/IMAG0030.jpg diff --git a/NEJE_Laser_Etcher/pwm_filter_lm317t_rework.jpg b/NEJE_Laser_Etcher/pwm_filter_lm317t_rework.jpg Binary files differnew file mode 100644 index 0000000..073f9a9 --- /dev/null +++ b/NEJE_Laser_Etcher/pwm_filter_lm317t_rework.jpg |
