totalacedude
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hi guys, a qwik guide to modding ur 800 from a 5v reader to 3.3v
1st pic (3points)
these are the 3 main points we are interested in!
these are what we are going to be using!
2nd pic (cut there)
if you look at your box you will see that 2 of the 3 points are connected
by a track about 7mm long! you need to cut this with a sharp stanley
knife and place a 10 ohm .5w resistor across where the track was!
3rd pic (zener)
this is where the 3.3v zener (1.3w) goes. make sure it is these to pins
ie 1 goes to same place as resistor and the other must go to 0v.
4th pic (black band)
this shows the orientation of the diode
ie yours should look exactally the same!
5th pic (final)
this is how it looks after all is done!
all is self explainatary!
have tried my old blue card in and another old 5v card they still work in
it aswell as the 3.3v
enjoy
ian
1st pic (3points)
these are the 3 main points we are interested in!
these are what we are going to be using!
2nd pic (cut there)
if you look at your box you will see that 2 of the 3 points are connected
by a track about 7mm long! you need to cut this with a sharp stanley
knife and place a 10 ohm .5w resistor across where the track was!
3rd pic (zener)
this is where the 3.3v zener (1.3w) goes. make sure it is these to pins
ie 1 goes to same place as resistor and the other must go to 0v.
4th pic (black band)
this shows the orientation of the diode
ie yours should look exactally the same!
5th pic (final)
this is how it looks after all is done!
all is self explainatary!
have tried my old blue card in and another old 5v card they still work in
it aswell as the 3.3v
enjoy
ian