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Motor driving battery
I want to drive two motors for a robot that I built using a 4-5V supply. I have a couple of questions regarding this.
1. Can I use a regulator IC (like a 7805) along with a 9V battery to drive the motors. Can the regulator handle high currents of the order of 1.5A?
2...
phillips p89v51rd2
I am trying to perform the In-Application Programming of this microcontroller. I have written this section of code for the program but it doesn't seem to be working at all.
call_iap_write:
PUSH IEN0 ; disable interrupts
CLR EA
MOV...
flash magic for 89v51rd2bn
Thanks for the advice! I have checked the port as well as the device I have connected and both are correctly chosen. I just tinkered around with the connections a bit and the circuit started working perfectly.
Now, if only someone could answer my Keil question...
I am programming a P89V51RD2 with a 12MHz crystal using a USB-RS232 adapter and Flash Magic.
However, I keep getting a message which says:-
UNABLE TO COMMUNICATE. TRY REDUCING THE BAUD RATE. RESET THE HARDWARE INTO ISP MODE.
I have tried every Baud rate available and still get this message...
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