James Lewis
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James Lewis 29/01/2020
I would give this device 5 stars... it appears to work very well, but there are bugs in the software.... "Good" air quality is only from when the reading is greater than 0, so when the reading is zero, (no particles at all), the display goes red, and it shows "Severely Pollated" (SIC). Polluted is spelled incorrectly. A minor detail, but should be addressed, see image.
PM1.0 PM2.5 PM10 Module Air Quality Dust Sensor Tester dengan Tampilan LCD 2.8 Inci untuk Monitoring Rumah, Kantor, dan Alat Mobil
US$38.00 US$68.59
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Modul Pasokan Daya Step Down DC-DC 10A Berkekuatan Tinggi Konstan Arus Tegangan Surya Pengisian 3,3/5/12/24V
US$11.99 US$14.99

Q: Although the adjuster is attached to the input side and the output side, how do you adjust the output current?

diminta oleh outa di 2019-02-07 08:23:11

James Lewis The output voltage adjustment will be labeled CV, so the other pot will be the current adjustment which is usually labeled CC.

2019-02-25 03:49:47 Bermanfaat (0)
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Astrolux MF01 18x XP-G3 / Nichia 219C 12000LM Pencarian Tingkat Super Terang LED Senter 18650
US$109.95 US$138.03

Q: Is it possible to use “flat top” batteries without any problems with this flashlight? Thank you.

diminta oleh baloo di 2018-06-30 03:38:19

James Lewis I have used the light with flat top 30Q batteries... they work fine, at first glance it looks like they will not, due to the recessed positive terminal in the torch... but the flat top is actually small enough to work.

2018-12-15 08:51:43 Bermanfaat (0)
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James Lewis 06/11/2018
This is really a battery with a phone attached! Great value, and works very well.
Bluboo S3 6.0 Inch Sharp FHD+ 8500mAh 12V/2A NFC 4GB RAM 64GB ROM MTK6750T 1.5GHz 4G Smartphone
US$191.50 US$209.99
0
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James Lewis These are a bit \"unregulated\" but since they are 4x white LED in series, they run happily at 12v... ideally you will want some kind of heatsink and to get the full 70w you will need regulation and a good heatsink.... I just tested one of mine at exactly 12v, and it pulled just about 2A, so ~24watts.

shtury 23/08/2018
I am not sure but if this is connected strait to the car battery it might burn. There is no LED driver to limit the current.
70W Putih/Hangat Putih LED COB Chip Cahaya dengan Klip 220*112mm untuk Lampu Kemah Banjir Cahaya DC12-14V
US$6.98 US$32.99
0
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James Lewis 28/01/2018
Really solid alloy back plate, and great output. At 20c I tested with 13v and the panel pulled 5amps (65w).... and required very minimal heatsinking. At 11v it output 12w, and didn't even get warm...... Will definitely buy more.
70W Lampu LED COB Putih/Hangat 220 * 112mm untuk Lampu Kemah Lampu Banjir DC12-14V
US$22.99 US$27.99
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