I hade a similar issue and was stuck. But this i what i did.. i tok the raspberry pi micro usb to usb adapter. Cut and pieled the rubbel of the end...
now we are getting somewhere. =D Yes i am positive the board had 5.09v. I messured the the output of the power supply. see pic.. and as the messu...
No the m7 diode is removed and replaced with a jumper. (Piece of cable).
Hi. Good that means that it is hope. 😉 With a input voltage of 5.09volts i get 4,88v on one side og the inductor 221, and 4,74v on the other side. ...
Hi. you are correct that the chip works with 4.75v-28v. and that it drops down to 3.3. but something is off.. I use a adjustable labaratory power su...
At 12v input.. At pin nr 2 I get 11.2v Pin 3 i get 3.3v And at inductor i get 3.3v
I will try to messure.. but i think the ic is A5269 instead of AS269.. should be easier to get a datasheet now 😉
Do you think ut is possible to get this to work on 5v?
I found another driver board.. If you want to give some input, I will try to get this one to work instead.. here is picture front and back
Here it is. Dont look at the solder wires.. ;P it's just for the testing.. looks slit cleaner When i an not just testing. 🙂
I dont doubt you.. but i did some testing and here is the current status. I am unluckey wiht the driver boards.. ;P but the removal og the diode is ...
Thanks alot for the help so far. Yes. It is 3.3v on both sides og that inductor.
On the td1519a ic i get: Pin 2: 5v Pin 3: 3,3 v Pin 7: 5v But no picture om the lcd
It is 5.21v one one side. And 5.17 on the other side.
I have some bad luck with these driver boards.. =P I tried to remove diode M7, and put a wire-jumper between the pads.. but no change.. still pit...
I have some bad luck with these driver boards.. =P I tried to remove diode M7, and put a wire-jumper between the pads.. but no change.. still pit...
No the other one is new not used or modified.. I will try it later today and post a reply here.
Hey. I have 2 of these boards.. and i tried a few things to get them to work woth 5v. but i am in need of help. Board: The IC in the cirkle is a...