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--- tech:laser [2015/01/01 22:08] – bullar
+++ tech:laser [2015/01/01 22:16] (current) – [Differences to former posts] bullar
@@ Line 30: / Line 30: @@
 Laser power controller
 Here the actual system is much more modern and supports a digital power adjustment in 1/10, 1 and 10% steps (but still suffers from missing link to main control board).
-The board is called 6C6879-LEDPAD-A. It was replaced by an I2C-Panel of LAOS
+The board is called 6C6879-LEDPAD-A. It was replaced by an I2C-Panel of LAOS.
 {{:tech:ledpad.png?direct&300|}}
 The new control panel
 I added a LED showing the laser activity and a button to trigger the laser. The rest is supported by I2C-Panel. The front design file (SVG) is attached.
 {{:tech:img_0129.jpg?direct&300|}}
@@ Line 42: / Line 44: @@
 The picture shows the signal at optocoupler (reference in yellow is the transistor output w/o optocoupler).
-{{:tech:pwm_signal_integrity.png?direct&300|}}
+{{:tech:pwm_signal_integrity.png?direct&500|}}
 Therefore I decided to build a level shifter unit. With an op-amp (TLC271) the level at the optocoupler is judged at approx. 3V (with few 0.1V hysteresis). A following schmitt-trigger
@@ Line 56: / Line 58: @@
 The part can be found on http://www.thingiverse.com/thing:454820
-Exhaust hose adapter  Foam tape side  Duct join side
+{{:tech:img_0445.jpg?direct&200 |}} {{:tech:img_0443.jpg?direct&200 |}} {{:tech:img_0444.jpg?direct&200 |}}
+----
+**My Laser cutter after all modifications (until m/o Aug 2014)**
-My Laser cutter after all modifications (until m/o Aug 2014)
 {{:tech:img_0133.jpg?direct&300|}}

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