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Geekcreit® D1 Mini V3.0.0 WIFI Internet Of Things Development Board Based ESP8266 4MB MicroPython Nodemcu
US$4.99 US$11.99

Q: What voltage regulator is used in this module? Is it 150mA or 300mA? What is the dropout voltage? Is it still the "4A2D" mark shown in the pictures?

Asked by alphaseek on 2019-09-27 12:05:51

djruru if you are not sure then work with the 150ma and use an external powerbrick for your project

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Dual USB 5V 1A 2.1A Mobile Power Bank 18650 Battery Charger PCB Module Board
US$5.99 US$10.99

Q: ma come si ricaricano le batterie collegate al caricabatteria?

Asked by massimoledda on 2019-02-13 13:51:32

djruru use only lion batteries size minimal 18650 or bigger. connect de B- and the B+ to the - and + of the battery

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Dual USB 5V 1A 2.1A Mobile Power Bank 18650 Battery Charger PCB Module Board
US$5.99 US$10.99

Q: does it have pass through charging?

Asked by ravinders1990 on 2019-12-14 19:51:20

djruru no

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Dual USB 5V 1A 2.1A Mobile Power Bank 18650 Battery Charger PCB Module Board
US$5.99 US$10.99

Q: How large is voltage range of battery?

Asked by Siba on 2018-07-31 05:59:20

djruru from 2.9 tot 4.2 volt

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Dual USB 5V 1A 2.1A Mobile Power Bank 18650 Battery Charger PCB Module Board
US$5.99 US$10.99

Q: Can I use 4 3.6v 2000MAH lithium batteries?

Asked by angelchen81tang on 2019-10-02 19:39:10

djruru no that is possible

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Dual USB 5V 1A 2.1A Mobile Power Bank 18650 Battery Charger PCB Module Board
US$5.99 US$10.99

Q: how many 18650 battery cell should i connect to this module..? i connect 7 batteries. each battery is 1200mah. is this good for this module?

Asked by chiranjit5555 on 2018-01-15 10:59:31

djruru i connecties 6 cells with succes

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Original JYETech DSO-SHELL DSO150 15001K DIY Digital Oscilloscope Unassembled Kit With Housing
US$28.99 US$45.99

Q: Does your kit have the latest Analog board upgraded to the version "F" ? Thanks

Asked by Andrew brother on 2018-04-09 07:06:13

djruru yes IT does

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ESP32-CAM WiFi + bluetooth Development Board ESP32 with FT232RL FTDI USB to TTL Serial Converter 40 Pin Jumper
US$7.99 US$25.99

Q: Hello. I'd like to buy some kits for use in my institution. Is is it possible to provide an invoice with reference to our VAT? If so, how should I proceed to request it during the purchase? Thank you in advance.

Asked by BG495194412 on 2021-01-12 12:54:01

djruru Just contact their helpdesk

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