Monday, May 5, 2008
LED Matrix part three
Another five boards etched. The circuit is printed onto the transfer sheet on a laser printer. The transfer is then ironed onto a sheet of copper backed board. After sawing into five individual boards we drop it all in the etching fluid for a half hour. The boards then need scrubbing (to remove the ink) and drilling.
We've soldered a bunch of the LEDs to wires in readiness for when we get drilling and soldering tomorrow.
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