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ravi 07/08/2020
This device is basically a solar-powered DC to DC converter with an adjustable voltage output. So far I have used it to charge super capacitor banks and it works very well for that. It is based on the CN3795 controller chip from Consonance Electronics. Lots of information about the chip on their website. The reference design in their datasheet is almost identical to this board.
Kontroler Solar MPPT 1A 3,2V 3,7V 3,8V 7,4V 11,1V 14,8V Pengisi Baterai Lithium ion LiFePO4 Modul Charger Baterai Titanate SD30CRMA
US$6.99 US$13.99
4
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ravi 02/11/2021
Everything OK. Thanks
DANIU 5pcs 900M-T-1C Set ujung solder Iron untuk Stasiun Penyolderan 936/937 Dsb
US$12.99 US$9.99
0
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ravi 02/11/2021
Everything OK. Thanks
B900M-T-I B900M-T-IS Tips Solde Telur Tembaga Bebas Oksigen 0,2mm Fly Line Tips Las Stang Solde untuk Stasiun Penyolderan 936/937 Alat Peralatan Rework DIY
US$7.99 US$9.99
0
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ravi 04/09/2021
Camera works fine. After setting resolution to 640x480 and adjusting focus, the photos are quite good.
Modul Kamera Digital Serial TTL Uart OPEN-SMART Dengan 640x480 Piksel Kompatibel dengan UNOR3
US$27.99 US$33.99
0
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ravi 23/05/2021
After charging them for 3 days the leakage current is about 0.25 mA. Compliant with specs I think.
10 pcs Super Kondensator 2.7V 100F Ultra Kondensator Farad
US$21.99 US$26.99
0
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ravi 21/08/2020
Works perfectly. Powering it with a 9v battery. Comes with good documentation describing how to wire it up.
RIDEN® 7 Dalam 1 33V 10A Multifungsi Putih OLED Digital Tester Parameter Listrik Amper
US$13.99 US$20.99
0
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MINI DCDC UBEC BEC 2-6s DC 4.5-24V Step Down Module untuk RC Drone FPV Racing
US$3.63 US$3.86

Q: Is it a linear or a switch BEC ?

diminta oleh mric3412 di 2018-12-31 06:03:32

ravi Itis a switcher based on the MP2315 chip from Monolithic Power

2020-08-07 04:00:00 Bermanfaat (0)
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ravi 19/06/2019
Works great. If you want detailed documentation for this board, study the datasheet for the chip. This item is basically a breakout board for the BQ25504 chip from Texas Instruments.
Boost Converter CJMCU-25504 Manajemen Sel Surya Pengumpul Energi Nanoguci
US$18.99 US$22.99
1
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ravi 30/10/2019
Works great. Can take up to 24v according to the label on the housing.
DC 12V 5M 1000L / H Pompa Air Submersible Motor Brushless
US$21.99 US$26.99
0
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ravi 11/11/2019
Tested in pulse mode (distance 2m) Very stable readings.
Modul Pengukuran Jarak Ultrasonik GY-US42 I2C Pixhawk APM Kontrol Penerbangan
US$16.99 US$20.99
0
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ravi 11/11/2019
This is my second one of these. Works flawlessly on 2G cellular. (SMS and GPRS http request)
LILYGO® TTGO T-Call V1.3 V1.4 Modul Nirkabel ESP32 Antena GPRS Kartu SIM Papan SIM800L
US$18.99 US$37.99
0
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ravi 07/11/2019
Bought this mostly for measuring current with the clamp. That seems to work great. But it can also be used as a general purpose multimeter if probes are plugged in. Comes with practical carrying case for both meter and probes.
UNI-T UT210E Auto Range True Rms Clamp Multimeter
US$54.99 US$65.99
0
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ravi 07/11/2019
Very handy probe set. Probes with clips and probes with very sharp tip
Test Kit Timbal Elektronik dengan Isolasi Alligator Clip 42 inch PVC Perpanjangan Prospek Heavy Duty Probe
US$11.99 US$15.99
0
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ravi 05/11/2019
Works like a charm. Tested with 2G cellular sending SMS and tested HTTP data transfer. Very compact communications solution.
LILYGO® TTGO T-Call V1.3 V1.4 Modul Nirkabel ESP32 Antena GPRS Kartu SIM Papan SIM800L
US$18.99 US$37.99
0
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ravi 05/11/2019
Works right out of the box. Preinstalled with a web server that takes still pictures and videos
Papan Pengembangan Modul Kamera WiFi + Bluetooth ESP32-CAM ESP32 Dengan Modul Kamera OV2640 Geekcreit untuk Arduino - produk yang kompatibel dengan papan Arduino resmi
US$16.99 US$23.99
0
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ravi 05/11/2019
Works great. Very easy to upgrade from the "old" D1 mini because the inner header rows are compatible
Papan Pengembangan Geekcreit® D1 Mini ESP32 ESP-32 WiFi+bluetooth Internet of Things Berbasis Modul ESP8266
US$14.99 US$22.99
0
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ravi 30/10/2019
Have tried it on transistors ,diodes, capacitors and resistors. Works great
Geekcreit® LCR-T4 Mega328 Penguji Transistor Diode Triode Kapasitansi Meter ESR Dengan Shell
US$9.99 US$21.99
0
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ravi 30/10/2019
Great for measuring when there is not much space available.
DANIU 10 Pcs Round Ukuran Besar Single Hook Clip Probe Wire Hook untuk Pengujian Elektronik
US$5.99 US$7.99
0
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ravi 30/10/2019
Great charger. Have tried it for lithium and lead acid batteries.
Pengisi Daya Seimbang SKYRC IMAX B6 Mini Original 60W 6A dengan Sumber Daya untuk Baterai LiPo Li-ion LiFe Nimh Nicd
US$50.99 US$62.99
0
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ravi 30/10/2019
Very practical. Replaces a lot of other adapters because it is adjustable
Excellway AC / DC Adaptor Daya Terukur 4-24V 2.5A 60W dengan Kontrol Kecepatan Volt Penyeuaian Plug EU/US/AU/UK
US$9.59 US$19.99
0
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