hello!

eurddrue · Post by **eurddrue** » Fri May 29, 2009 9:43 am

Buy an old game genie, their cartslots are pretty good.

XCVG · Post by **XCVG** » Sat May 30, 2009 8:40 am

There was a thread somewhere about new slots from Newark or Mouser or somewhere.

antrock101 · Post by **antrock101** » Sat May 30, 2009 8:49 am

i just got my ben book, its not as good as i hoped i've learned more off thew forum i think

eurddrue · Post by **eurddrue** » Sat May 30, 2009 8:56 am

Yeah, it really helps if you get the book before you join the forums and then you don't have to ask nooby questions, you already know a lot about electronics. Ben's book is defenitaly good if you decide to do any of the systems listed in his book, or if you need to LED mod a psone screen. It explains batteries pretty good in the book, check that out.

antrock101 · Post by **antrock101** » Sat May 30, 2009 6:07 pm

got the damn rf box off thank **** only took me 6 hours lol. Basically the books a bit vague here. do i have to get rid of the blue power reset ect ? theres also very little on the way of how u get the battery to the board ect :S am i being thick or is it the book?

antrock101 · Post by **antrock101** » Sun May 31, 2009 9:27 pm

anyone got wiring digrams because i cant do anymore

XCVG · Post by **XCVG** » Mon Jun 01, 2009 9:13 am

antrock101 wrote:anyone got wiring digrams because i cant do anymore

What about the ones I posted?

antrock101 · Post by **antrock101** » Mon Jun 01, 2009 12:53 pm

yeah there good for the power and video. but trhe overal connecting to the battery confuses me i'll look over bens book again but i cant see it

XCVG · Post by **XCVG** » Mon Jun 01, 2009 6:34 pm

antrock101 wrote:yeah there good for the power and video. but trhe overal connecting to the battery confuses me i'll look over bens book again but i cant see it

What kind of battery are you using?

antrock101 · Post by **antrock101** » Mon Jun 01, 2009 8:28 pm

i got a 7.4 v 3600 mah bat knocking around, off an old rc car. i just dont understand what i connect it to once i make these

so i do this to the board( i added notes)

then i make this

for video amp

and both the video amp and regulator go to the 5+ pin on the board

XCVG · Post by **XCVG** » Mon Jun 01, 2009 8:45 pm

The video amp goes to the weak video out, +5V, and ground points. Is the battery Lithium-Polymer? If it is you better get a protection circuit before you use it in a portable.

antrock101 · Post by **antrock101** » Tue Jun 02, 2009 5:22 pm

are they the ones that explode when over charged and not discharged properly? i'm probably going with nicads, as i like my house lol

XCVG · Post by **XCVG** » Tue Jun 02, 2009 6:48 pm

antrock101 wrote:are they the ones that explode when over charged and not discharged properly? i'm probably going with nicads, as i like my house lol

As long as you use a proper charger, they won't explode. Overdischarging usually just makes them completely useless.

Don't use NiCd batteries. They are bad for the environment, have the "memory effect" and are crap for capacity. Use NiMH if you go with a NiXX battery.

antrock101 · Post by **antrock101** » Wed Jun 03, 2009 6:48 am

i went to maplins today to get soem help with parts, and as usual "the guy who knows this stuff is on his break" i cant find any of the parts i need not even the resistors. this is what i need

Medium-sized piece of perfboard (i found some copper board is that usable?)
7805 Regulator (From the RF box) got this
Heatsink (i have chunks of metal all over my house lol)

1,000uf Capacitor (can i use the big chunky one out of the rf box?)

Two 0.1uf Capacitors
1 - 10uf Capacitor (is this between those or both)
1N4001 Diode

2N4401 Amplifying Transistor
33ohm Resistor (Orange-Orange-Black-Gold)
220ohm Resistor (Red-Red-Brown-Gold)

i cant seem to find the ones i need, im not sure on the voltage needed or type are ceramic capacitors and high voltage resistors the right ones?

sorry to be a pain

XCVG · Post by **XCVG** » Wed Jun 03, 2009 9:10 am

antrock101 wrote:i went to maplins today to get soem help with parts, and as usual "the guy who knows this stuff is on his break" i cant find any of the parts i need not even the resistors. this is what i need

Medium-sized piece of perfboard (i found some copper board is that usable?)
7805 Regulator (From the RF box) got this
Heatsink (i have chunks of metal all over my house lol)

1,000uf Capacitor (can i use the big chunky one out of the rf box?)

Two 0.1uf Capacitors
1 - 10uf Capacitor (is this between those or both)
1N4001 Diode

2N4401 Amplifying Transistor
33ohm Resistor (Orange-Orange-Black-Gold)
220ohm Resistor (Red-Red-Brown-Gold)

i cant seem to find the ones i need, im not sure on the voltage needed or type are ceramic capacitors and high voltage resistors the right ones?

sorry to be a pain

Perfboard- I have no idea what you mean by copper board. You can probably get away without it if you don't mind doing a lot of hand-wiring and use the original controller board.
Heatsink- You probably have some old piece of crap videocard heatsink that you can cut up.
1000uF Capacitor- This is kinda overkill probably,you might be able to reuse the old one. Is it swelling? What's the rating?
Smaller Caps- What do you mean by is it between those or both?
For capacitors 16V rating is probably enough. The 0.1uF are ceramic, the 10uF and 1000uF are electrolytic.
Diode- Why do you need a diode? Do you plan on plugging the battery in backwards?

Transistor- That's a common type, not weird or anything.
Resistors-Just normal little resistors. You want 1/4 or 1/2 watt.

That guy must be a serious moron, you gave him part numbers right?

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