andreas
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NITECORE UM2/UM4 LCD Display 5V/2A Lithium Battery Charger USB QC Smart Rapid Charger For AA AAA 18650 21700 26650
US$16.99 US$28.00

Q: Hello does this provide test mode to test and display battery real capacity?

Asked by andreas on 2019-07-14 02:30:35

trifucosmin itdoes not have testing of capacity, nor discharge or refresh.

2020-02-05 04:29:26 Helpful (3)
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Answers (8)
LILYGO® TTGO T-Call V1.3 V1.4 ESP32 Wireless Module GPRS Antenna SIM Card SIM800L Board
US$23.99 US$37.99

Q: Hello I have difficulties with this board an one sim card establishing GPRS connection. I have two sim cards one ThingsMobile and one oliviawireless. TM card works fine with this board but Olivia does not. modules does register with the network but bringing up wireless connection the AT CIICR fails like this: AT CIICR PDP: DEACT any ideas what could be wrong? can the module firmware be updated? again the same AT commands work with TM sim but not oliva sim!? According to oliva the sim card ist active and otherwise working as expected regards

Asked by andreas on 2021-07-05 01:17:23

Smarty mart The difference between the two SIM cards is not very clear and cannot be judged.

2021-07-07 12:49:54 Helpful (0)
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Answers (1)
andreas 07/11/2019
good cable, as expected. fast delivery!
GPIO 40P Rainbow Ribbon Cable For Raspberry Pi 2 Model B & B+
US$4.65 US$7.99
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andreas 24/02/2019
really good product for good price and shipping was quite fast. use it for strengthen finger muscles for guitar playing. its good that you can adjust force for each finger separately.
Meideal MFX5 Finger Trainer Copper Gear for Guitar Bass Ukulele Piano Violin Players
US$12.99 US$15.99
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andreas 24/02/2019
really good product for good price and shipping was quite fast. good finger exerciser
Finger Trainer Hand Grip Exerciser for Guitar Bass Ukulele Piano Violin Music Players
US$7.99 US$9.99
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andreas 15/08/2018
good value product for the given price. best thing is that one can even reflash the esp8266, so its perfect fit for your self-made home automation project. I used sonoff pcb as replacement board for some old broken RF-(433mhz) power switches, fits well in the housing.
SONOFF® BASICR2 10A 2200W WIFI Wireless Smart Switch Remote Control Socket APP Timer AC90-250V 50/60Hz Works with Amazon Alexa Google Home Assistant IFTTT
US$9.99 US$19.99
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BG572116615 23/02/2018
works pretty well on arduino, but especially usefull with raspberry pie and/or ESP8266 since board as sensitivity control on board (poti to adjsut threshold) and only provides digital out which can then be counted.
Infrared Obstacle Avoidance Sensor Smart Car Robot
US$3.99 US$10.99
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BG572116615 23/02/2018
good set for the given price tag . sure there might be more robust or better quality breadboards out there but this is simple and working and solid enough for prototyping.
Geekcreit MB-102 MB102 Solderless Breadboard + Power Supply + Jumper Cable Kits
US$8.99 US$15.49
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