Anyone interested from wireless RF remote.

Started Feb 5, 2006 | Discussions thread
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Esa Tuunanen Regular Member • Posts: 277
Anyone interested from wireless RF remote.

If there's users (with some electronic hobbyer skills) wanting to have wireless RF remote instead of wired one I've been designing PCB modified for more "mobile" use as A2's wireless remote basing to Velleman K8057 2 channel RF remote control kit:
(trasmitter doesn't need modding)

I stripped standard relays away and replaced them with SIL-package reed relays (5V 500ohm) to make it smaller and more friendly for 9V battery (regulator can handle 7V - 20V input)...

While transistors would have been more than enough for controlling currents "available" from A2's wired remote port I used reed relays to make sure output remains electrically insulated from receiver.

Also rectification diodes got boot to rear so I managed to shrink size of PCB to 48x40mm which is under one fourth of original. (for comparison 9V battery needs length of 52mm)

I'm going to have these two-side (wiring on both sides) PCBs made by PCB manufacturer which makes those also for hobbyers and ordering single ones later would be pricier so if anyone is interested about this RF remote kit getting more of these "shrinked" PCBs made would be easy now. (for current order amount price is 7.5 euros per PCB... for single one it would be 18 )

Also if someone wants Gerber-files/CADCAM output I can e-mail those. (PCB layout itself is in ARES/Proteus format)

PS. Connector for Minolta's remote port can be made from CD-ROM > sound card cable.

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Esa 'E.T' Tuunanen

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