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(parent: 6b7213b) | patch
Fix shift register and pull-ups. Add FET for external alarm device.
authorKeith Packard <keithp@keithp.com>
Mon, 10 Sep 2012 05:25:34 +0000 (22:25 -0700)
committerKeith Packard <keithp@keithp.com>
Mon, 10 Sep 2012 05:25:34 +0000 (22:25 -0700)
commite65bfc7d65e7672a154e8e34a990c8023ec473c6
treef5094ec4440c5dace5fcadca8557f14b5b073efetree | snapshot
parent6b7213be53165fa9c8b89edf5793a1d3ed71445ecommit | diff
Fix shift register and pull-ups. Add FET for external alarm device.

Switch to the 74HC165, which only needs three pins.
Fix the 74x pull-up resistor array; it was flipped over.
Remove the beeper and substitute a FET with some connectors.

Signed-off-by: Keith Packard <keithp@keithp.com>
Datasheets/sn74hc165.pdf [new file with mode: 0644] blob
packages/74x.fp diff | blob | history
symbols/74HC165.sym [new file with mode: 0644] blob
telefire.pcb diff | blob | history
telefire.sch diff | blob | history
4-channel launch pad end of wireless launch system