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maxritter / diy-thermocam

A do-it-yourself thermal imager, compatible with the FLIR Lepton 2.5, 3.1R and 3.5 sensor with Arduino firmware
http://www.diy-thermocam.net
GNU General Public License v3.0
1.12k stars 174 forks source link

Replacement for TP4057 charging module #66

Closed KrisJot closed 3 years ago

KrisJot commented 5 years ago

Hi,

can be used TP4056 as replacement for TP4057 from part list?

maxritter commented 5 years ago

It does not exactly fit the holes on the PCB, but from the charging perspective, it should work. However, you need to solder cables to the LEDs on the module and remove them, if you want to use the charging light functionality.

KrisJot commented 5 years ago

Thank you for reply. Will try and let you know about the result.

Meins321 commented 5 years ago

It does not exactly fit the holes on the PCB, but from the charging perspective, it should work. However, you need to solder cables to the LEDs on the module and remove them, if you want to use the charging light functionality.

Maybe it is the better option?

I did buy the TP4057 off ebay with blue pcb, but i got the green pcb and it doesnt work. My lipo did not charge and the whole board just heated up like warm toast. the teensy is dead now :-(

The lepton still works as i tested it with another socket

So don't use the green TP4057 which is delivered from ebay from many sellers

Meins321 commented 5 years ago

@maxritter : Maybe a word of warning towards those who buy blue pcb on ebay and get green one with mixed -/+ on battery terminals?

Something like this should work: PCB Charger TP4056 Mod

You can use the included protection too! i would also route a cable to the back into the Lipo connector to get it to the intended place...

The original board looked like this: TP4057 1A What i got looked similar but DO NOT USE IT: s-l300

The green pcb one didn't work, i bought two of them and i am not using the second one! It just heated up while the red led was lit, and it didn't charge at all :-1:

I have to see how much damage the TP4057 caused on my board as many component are not 5V tolerant..teensy i am looking at you!

-40€ down the drain

TP4056 is much better working and i will do this mod too, just a red led on two wire glued in the hole done.

KrisJot commented 5 years ago

Hi, TP4056 is charging properly (blue PCB). Lipo charged to 4.2V.

rossoe commented 1 year ago

@Meins321 & @KrisJot Is this the appropriate wiring for the TP4056 ? image

rossoe commented 1 year ago

@maxritter so just to confirm before I solder together and fry anything I shouldn't! why should we not connect it up like the below? I'm not sure why @Meins321 recommended the output of the TP4056 go back to the lipo connector? image

rossoe commented 11 months ago

See updates on this post for final tested wiring solution including wiring for LED branching off from the led's onboard the newer TP4056.