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LM3914 Battery Capacity Indicator Module LED Power Level Tester Display Board
LM3914 Battery Capacity Indicator Module LED Power Level Tester Display Board
US$1.37 US$8.54

Q: what is the right position of dthe led and chip.....have to know that...otherwise I cant finiching the soldering

Asked by ikkedre on 2019-03-26 09:41:20

xerix32 must be code on th display to the up, but try with 1.5 volts or diode tester. now you can know position of + and follow instructions on video :)

2022-03-13 00:52:19 Helpful (0)
Answers (3)
Air Master AM7 Plus Indoor Air Quality Detector Meter PM2.5 PM10 HCHO TVOC CO2 Temp RH Monitor Laser Gas Sensor Tester
Air Master AM7 Plus Indoor Air Quality Detector Meter PM2.5 PM10 HCHO TVOC CO2 Temp RH Monitor Laser Gas Sensor Tester
US$249.99 US$299.99

Q: can I see data on my computer ? is there a connector ?

Asked by ikkedre on 2020-09-16 03:44:36

AIANTONIA Yeah,it can. http://myosuploads3.banggood.com/products/20200421/20200421051536AirMasterAM7.rar  It contains the following files:   AirMaster_DATASHEET AM7_USB_Driver_CP2102 Serial_Port_Utility Ai... See More

2020-09-25 22:48:20 Helpful (0)
Answers (1)
LM3914 Battery Capacity Indicator Module LED Power Level Tester Display Board
LM3914 Battery Capacity Indicator Module LED Power Level Tester Display Board
US$1.37 US$8.54

Q: what is the position from the led and the IC ?

Asked by ikkedre on 2019-03-26 06:26:17

wujiahui There are related annotations on the back of the board.

2019-03-26 20:18:54 Helpful (0)
Answers (1)

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