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ULN2803a best practice

Started by "David E. Basile" in BasicX17 years ago 4 replies

I'm getting back into the BasicX and old age keeps me from retaining a lot of information . I have a a ULN2803a and I'm trying to fire some...

I'm getting back into the BasicX and old age keeps me from retaining a lot of information . I have a a ULN2803a and I'm trying to fire some 24vdc air valves so I have a few questions. I'm not sure what the current rating on the valves are 1) I have several 12vdc relays and I'm wondering if it would be better to drive the relay to trip the valve or just use the 2803 to drive the v


Multiple Outputs

Started by abefanning in BasicX17 years ago 9 replies

Am trying to build a simply irrigation controller with 25 zones. Each zone would be sequenced on for about 15 minutes at a time until all 25...

Am trying to build a simply irrigation controller with 25 zones. Each zone would be sequenced on for about 15 minutes at a time until all 25 zones were activated. I am controlling each zone with a Rayex LU-5 PC mount relay, that has a coil voltage/ohms of 5VDC/125 ohms. What is the most reliable way of controlling these 25 relays with the BX-24? I've already tried, a bit quickly,...


New LCDX function library

Started by Tom Becker in BasicX18 years ago 2 replies

LCDX users: A new LCDXLib.bas, the LCDX function library, is available at http://groups.yahoo.com/group/basicx/fil es/LCDX/ . ...

LCDX users: A new LCDXLib.bas, the LCDX function library, is available at http://groups.yahoo.com/group/basicx/fil es/LCDX/ . This update corrects a backlight flicker when setting relays and other output. Thanks to Jim (StJohnz?) for raising the flag and Chris at Netmedia for fixing it.



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