I've made a circut using realPCB which is all good and what not, however, their is a problem with my relays. I'll try my best to describe how they are set up.
The relays are SPST Solid 240VAC 3A - More info - ( http://www.altronics.com.au/index.asp?area=item&id=S4410 )
I have basicly emulated the circut from the picaxe manual.
V+ is connected directly to +pin on the relay.
The -Pin on the relay is connected to the collector on the transistor (Can remember off the top of my head, but it was a BCX somthing) and also a protection diode is across this track, connecting to V+.
Connecting to the Base on the transistor is the output pin on a picaxe with a 10k resistor.
And on the Emitter is the 0V line.
The problem is, as soon as power is applied to the board, the relays are on consistantly on, that is without the picaxe in or if power is on the board but not to the picaxe.
Can anyone shed some light where i may have gone wrong?
Thanks
The relays are SPST Solid 240VAC 3A - More info - ( http://www.altronics.com.au/index.asp?area=item&id=S4410 )
I have basicly emulated the circut from the picaxe manual.
V+ is connected directly to +pin on the relay.
The -Pin on the relay is connected to the collector on the transistor (Can remember off the top of my head, but it was a BCX somthing) and also a protection diode is across this track, connecting to V+.
Connecting to the Base on the transistor is the output pin on a picaxe with a 10k resistor.
And on the Emitter is the 0V line.
The problem is, as soon as power is applied to the board, the relays are on consistantly on, that is without the picaxe in or if power is on the board but not to the picaxe.
Can anyone shed some light where i may have gone wrong?
Thanks