Dear yong hui,
Thx for ur help...
ck88 WROTE:I wonder why does this happen. Maybe SKXBEE on board already has a voltage divider or something? If I follow the schematic on the SKXBEE user manual by inserting a transistor...I'll also follow the usual way of resetting the XBee by outputting a LOW from my PIC I/O pin?
My advise is to use transistor because it will only pull low and "open" the collector from GND which will allow that pin to become default stage, it doesn't matter it is pull high to 3.3V or 5V.
I've tried connecting it like the way in the SKXBEE manual schematic, but it doesn't seem to work. I'm wondering whether am I connecting it correctly or not, with emitter connected to ground? I controlled it with PIC I/O pin by outputting a low and then a high to reset the XBee..
ck88 WROTE:Is the push button necessary together with the transistor as depicted in the SKXBEE manual? Plus, how long to stay put at HIGH state before going LOW?
Thank you
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