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eddee54455 29/09/2021
Received in good physical condition, but this particular unit only really begins to receive from around 550khz. Below 30mhz it is pathetic where it comes to reception (Tested on 300ft Longwire, 40m inverted V, 10/15/20/40m Center loaded vertical antenna) In the vhf/uhf bands it appears reasonably ok, leading me to believe that this specific unit might be faulty (a return ticket has been opened).. Build quality is reasonable, but a little more attention could be paid to the antenna sockets, they have no support from the casing, all support is from the pc board itself - Beware of damage from an accidental tug on the cable!
100KHz-1.7GHz RTL-SDR USB Radio Tuner Receiver RTL2832U+R820T2
US$44.84 US$44.99
1
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Comments (1)
eddee54455 20/09/2021
These are of adequate quality for the price - I have found the connection points a little "soft" for crimping, so on my installations I have crimped and soft-soldered the wires into place... No problems with conductivity and mechanical strength after this has been done!
10Pairs MC4 Connector Male And Female MC4 Solar Panel Connector 30A 1000V For PV Cable 2.5/4/6mm Solar Panel Connect
US$14.94 US$13.99
1
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Geekcreit® 0.28 Inch 2.5V-30V Mini Digital Volt Meter Voltage Tester Two Line Voltmeter
US$7.24 US$8.99

Q: witch voltage must be connected to the red wire ???? 12Volt/15 VOLT

Asked by Gilbert Parmentier on 2018-11-14 02:43:51

eddee54455 12VNominal, up to 16V for short periods

2021-11-06 02:12:39 Helpful (0)
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Answers (7)
Winners® 7A DC 60V Adjustable Step Down Regulator NC Power Supply Module Current Voltage Meter Buck Module
US$19.54 US$20.99

Q: does this item able to adjust the ampere?

Asked by BG101618134 on 2021-06-21 11:25:45

eddee54455 No

2021-11-06 02:11:24 Helpful (0)
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Answers (4)
eddee54455 29/09/2021
Nicely made with EXTREMELY fine tip grips - Fragile!! But they are perfect for what they were designed for... I am impressed!!
10Pcs SDK08 Test Clip SMD Grippers Test Clips Ultra Small Clip Foot Clip Micro Chip Online Burning Clip
US$11.99 US$22.99
0
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eddee54455 29/09/2021
Reasonable quality and good value for money, this is not my first batch I have bought and will continue doing so for my forthcoming projects!!
5Pcs 1*40P Curved Needle Gold Plated Single Curved Needle 2.54MM Pin Connector
US$6.89 US$7.99
0
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eddee54455 20/09/2021
Works fine on Linux, but, take care, depending on your application, buffer errors can arise if you push the comms rate too high!!
5pcs USB To RS485 Converter Module USB To TTL / RS485 Dual Function Dual Protection
US$7.88 US$13.99
0
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eddee54455 20/09/2021
CH340 family USB to Serial ports are indeed supported by many versions of Windows and Linux - No problems were experienced on either platform once the correct drivers were located and installed - Even though they were advertised initially as not being supported by Windoze!
3Pcs Translucent USB To RS232 Serial 9 Pin Converter Cable Adapter
US$7.18 US$10.99
0
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eddee54455 20/09/2021
The connector plates tend to be a little soft - Do not expect longevity with these proto boards - They are cheap enough though, to replace after a little while should you be a little rough on them!!
5Pcs MB102 Test Developer DIY 830 Hole Solderless PCB Breadboard
US$17.24 US$19.99
0
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eddee54455 20/09/2021
Nicely made, perfectly adequate for the task at hand!!
5Pcs Single-phase AC Active Output Voltage Transformer Voltage Sensor Module
US$14.64 US$20.99
0
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eddee54455 19/02/2021
This works nicely on a 48V Battery bank with 30A of panels connected.... So far the operation has been satisfactory, and interesting to note is the fact that the mppt seems a little more responsive than that on my solar inverter - This unit, although not having a "pretty" face, or even a nicely molded plastic case, does way better than I expected it to!
PowMr MPPT 60A Solar Charge and Discharge Controller 12V 24V 36V 48V Auto for Max PV 190VDC Lead Acid Lithium Battery
US$149.49 US$195.36
1
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eddee54455 22/05/2021
Small, discreet, stylish and functional! They work well when used within their specified parameters, being as small as they are, they are easy to conceal with minimal effort. I have had very few "false alarms" with the units I have installed, something that is important for a home security monitoring device!
Photoelectric Single IR Beam Detector Active Infrared Intrusion Motion Sensor Infrared Alarm Waterproof Outdoor Burglar Alarm
US$10.34 US$15.99
0
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eddee54455 22/05/2021
Exceptionally well made little adapter for your project boards! Only one thing to note: Make sure that it will fit your breadboard before you order it!! (The older breadboard/project boards have different spacing for the + and - rails) This unit fits all of the project boards I have bought from Banggood so far.
MB102 2 Channel 3.3V 5V Breadboard Power Supply Module White Breadboard Dedicated Power Module MB-102 Solderless Bread Board
US$6.89 US$6.99
0
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eddee54455 19/02/2021
I have had a few of these running 24/7 for a few months now, no failures barring a direct lightning strike that created merry hell and fried pretty much my entire household, but, we cant blame the poor little power supply board that died trying to protect its slave equipment for that, can we?
Winners® 7A DC 60V Adjustable Step Down Regulator NC Power Supply Module Current Voltage Meter Buck Module
US$19.54 US$20.99
1
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Comments (0)
eddee54455 22/05/2021
Nicely put together little screen... it is small, but if used in the correct application where limited data needs to be displayed, it is perfect. An excellent application for this is combining it with a Sonoff switch and Tasmota Software - Important information can be sent to the Sonoff and read directly at point of process - Very handy indeed!!
Geekcreit® 0.96 Inch 4Pin White IIC I2C OLED Display Module 12864 LED Geekcreit for Arduino - products that work with official Arduino boards
US$11.49 US$13.99
0
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eddee54455 19/02/2021
Neat little educational toy! The "pump" while submersible in operation, is not sealed to any great degree - This is a handy unit to teach a junior how a basic monitored irrigation system could work. Do not leave the pump immersed for any length of time in fresh water and certainly don't even remotely consider using it for any fluid that is even mildly conductive such as a saline...
Automatic Irrigation Module DIY Set for Soil Moisture Detection and Automatic Water Pumping Garden Irrigation Tools
US$8.04 US$7.99
1
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eddee54455 06/03/2020
Seems ok, hooked it up this morning on 500W worth of panels.... Only was getting around 300W boost from it though, although the sun was 90 degree on and the panels are top notch.... Methinks the conversion performance/efficiency is a little on the optimistic side.....
600W Solar Grid Tie Inverter DC18V / 22V-60V to AC110V/220V MPPT Pure Sine Wave Inverter 50Hz/60Hz
US$123.04 US$166.99
2
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Comments (2)
eddee54455 24/03/2021
These work well!! This is a well priced unit with reasonable features... What would be nice would be an analog/IIC output or similar to monitor it remotely....
PowMr MPPT 60A Solar Charge and Discharge Controller 12V 24V 36V 48V Auto for Max PV 190VDC Lead Acid Lithium Battery
US$149.49 US$195.36
0
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eddee54455 24/03/2021
The 50A shunt comes with a mounting base, the 100A does not... Accuracy is reasonable, not lab quality, but usable as is for general solar and battery charging needs...
External Shunt FL-2 100A/75mV 50A/75mV Current Meter Shunt Current Shunt Resistor For Digital Amp Meter Analog Meter
US$3.44 US$8.99
0
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eddee54455 24/03/2021
Handy pack, arrived as expected in good order....
164Pcs Polyolefin Shrinking Assorted Heat Shrink Tube Wire Cable Insulated Sleeving Tubing Set
US$6.99 US$9.99
0
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