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Samuel That's why science gave us soldering irons 😉

michalswiatly 28/02/2020
Good thing is that it works - and by that I mean - it charges the battery. Unfortunately there is 1 design problem I found and also one assembly problem. Design problem is that it overcharges the battery - my 18650 battery got to 4.34V and after a while it stopped charging and voltage started to drop, but the voltage should never exceed 4.2 V!!! The assembly error of all my 3 pieces is: the battery
3pcs ESP32S ESP32 0.5A Micro USB Ladegerät Board 18650 Batterieladung Shield Wemos Geekcreit für Arduino - Produkte, die mit offiziellen Arduino-Boards funktionieren
3pcs ESP32S ESP32 0.5A Micro USB Ladegerät Board 18650 Batterieladung Shield Wemos Geekcreit für Arduino - Produkte, die mit offiziellen Arduino-Boards funktionieren
US$15.00 US$15.99
3
Kommentar (2)

Samuel I've just ordered the parts to do the same with mine. Is yours still running ok?

transferx 13/02/2020
I have modified it to work with a li-ion battery with mt3608 step-up converter and tp4056 usb li-ion charger. Also, the battery itself has a protection module. Now, it can also output on 9v dc, so I can use it to power other devices. Seems to work without problem. I have not removed R30 and did not use the switch, instead, I have connected a switch directly to the output of the battery.
Original JYETech DSO-SHELL DSO150 15001K DIY Digital-Oszilloskop Bausatz mit Gehäuse
Original JYETech DSO-SHELL DSO150 15001K DIY Digital-Oszilloskop Bausatz mit Gehäuse
US$29.99 US$45.99
26
Kommentar (10)

Samuel Perfect! That's exactly what I needed to hear. Why they just don't say these are good for Dupont in the description is beyond me.

jmcclain 18/01/2018
Does a good job on Dupont connectors. Just use 0.25 slot and make sure not to over crimp.
Paron® JX-1601-10 Legierter Stahlform für Ratschen Crimpzangen
Paron® JX-1601-10 Legierter Stahlform für Ratschen Crimpzangen
US$11.54 US$11.99
4
Kommentar (1)

Samuel Thank you for the heads-up

nsb 17/04/2019
This is fraud! The battery diameter is oversized. I therefore took off the outer plastic. Below is printed 1800mAh !!!!
4PCS MECO 3.7v 4000mAh Geschützter wiederaufladbarer 18650 Li-Ionen Akku
4PCS MECO 3.7v 4000mAh Geschützter wiederaufladbarer 18650 Li-Ionen Akku
US$38.90 US$39.00
302
Kommentar (25)

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