PolletjeNL's Gameboy Zero

[Lpoolm]

Have you wired your audio amp yet? If so do you have any pics
Thanks

[PolletjeNL]

I bought it at EXPTECH link in Germany. I paid around 13 euro for it ex. shipping.

Hey polletjeNL, guessing youre dutch. Where did you buy the teensy from? I cant seem to find one

[PolletjeNL]

Nope, since I received a controller pcb including the amp and buffer from Helder, I no longer need an amp. I will be using the amp for an other upcoming project.

Have you wired your audio amp yet? If so do you have any pics
Thanks

[PolletjeNL]

So while waiting for my new case, NES controller, screen, and other small misc. items, I did some modifications to the batterypack pcb.



This board is capable of charging while being powered on. I desoldered the original power switch so I could connect my DMG power switch to it. To make sure the PiZero would not power on during charging I connected the DMG powerswitch in such way that in "OFF modus" only charging is possible, but when switching to "ON modus", charging continues and visa-versa. The PCB has a build in over-charge protection and because of the USB ports a build in step-up to 5v with a max of 1.8A. It also has a power-led and charge-led.





So I wanted to reduce the size, because it's form-factor is shaped for a Pi2 or Pi3. I cut it in half with the Dremmel made new solder-points for the battery, re-used the connector so I can remove the battery from the case, if I want to. It now fits inside the battery compartment along with the battery it self. I also reused the micro-usb port.



This battery-pack is pretty complete, a lot of things are reusable for a GBZero project. It only needs modification, so in my opinion a good alternative solution, if you don't want to use Adafruit parts or the 3rd party battery step-up, some people use. And its CHEAP for all its features, including the 3700mAh battery.

[vnman]

The power board can be modified yes, but you have to put a lot of work in to make it fit the way you have it.

This board is not for "average Joe", whose do not have Dremmel and just basic soldering skills.

BTW how do you fit the battery in the battery compartment? (without cutting the top and bottom of the compartment).

[PolletjeNL]

The power board can be modified yes, but you have to put a lot of work in to make it fit the way you have it.

This board is not for "average Joe", whose do not have Dremmel and just basic soldering skills.

BTW how do you fit the battery in the battery compartment? (without cutting the top and bottom of the compartment).

True, about the "average joe" but then building a GBZero is not really an average joe thing .

I used the Dremmel an removed de leftside of the battery compartment. This way I could stick one side of the battery true the hole, make it fit exactly. Also I did make a small hole in the bottom of the compartment for the heatsink since it is a little bit in the way. So the flatside of the pcb is facing upwards.

[PolletjeNL]

So a package arrived last saturday. My lcd .



So after reading some posts regarding the different types of lcd's and their pcb's. I found that removing the entire component and soldering 5v to leg 2, resulted in the most stable signal. At first I directly soldered to leg 2 with the component still on the pcb, but this resulted in some static on the screen.




I need to resolder the yellow and white lines on the lcd pcb, but it works, that the most important thing.

[Zero]

The yellow and white wires are normally two different video sources so you should only need one attached.

Guide here:
http://www.sudomod.com/forum/viewtopic.php?f=22&t=958

It also looks like you have the v7 board here:
http://sudomod.com/wiki/index.php?title ... te_Display

Which apparently doesn't require any mods to work on 5v.

[PolletjeNL]

Well I wasn't sure because i read before that the lcd screen is dual channel. I was searching the forum for information and finally based my actions on this topic: http://www.sudomod.com/forum/viewtopic. ... &start=170 even in later posts I still found people doing the same for this model pcb.

I will desolder the white cable tonight. I also read that a lot of people where retracing 5v to leg 2, so i did also.

[TimBer]

Looks like it's all coming together nicely.

I was wondering if you already fitted your modified power board with the lipo and if everything is fitting?

Thinking about buying this board, because of the switching circuit that is build in.