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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 Receptor sintonizador de rádio USB RTL2832U + R820T2
US$38.99 US$44.99
1
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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!
Conector MC4 macho e fêmea de 10 pares Conector MC4 para Painel Solar 30A 1000V para cabo PV 2,5/4/6mm Conexão de Painel Solar
US$12.99 US$13.99
1
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Geekcreit® Voltímetro digital mini de 0,28 polegadas 2,5V-30V Testador de tensão Voltímetro de duas linhas
US$6.29 US$8.99

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

perguntado por Gilbert Parmentier sobre 2018-11-14 02:43:51

eddee54455 12VNominal, up to 16V for short periods

2021-11-06 02:12:39 Útil (0)
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Módulo de fonte de alimentação ajustável Winners® 7A DC 60V Step Down regula a corrente Medidor de corrente e tensão Módulo Buck
US$16.99 US$20.99

Q: does this item able to adjust the ampere?

perguntado por BG101618134 sobre 2021-06-21 11:25:45

eddee54455 No

2021-11-06 02:11:24 Útil (0)
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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!!
10 peças de clipe de teste SDK08 SMD Grampos de teste Clipe ultra pequeno Clipe de pé Clipe de microchip online
US$11.59 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 Agulha Curva Banhada a Ouro, Conector de Pino Curvado Único de 2.54MM
US$5.99 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!!
5 pcs USB Para RS485 Módulo Conversor USB Para TTL / RS485 Dual Function Dual Protection
US$6.66 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!
Cabo adaptador translúcido USB para RS232 Serial 9 Pin Conversor 3Pcs
US$6.18 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 Desenvolvedor de Teste DIY 830 Furo Breadboard sem Solda
US$14.99 US$19.99
0
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eddee54455 20/09/2021
Nicely made, perfectly adequate for the task at hand!!
Módulo de sensor de tensão de saída ativa monofásica de CA de 5 peças
US$16.99 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!
Controlador de carga e descarga solar PowMr MPPT 60A 12V 24V 36V 48V Auto para bateria chumbo-ácido e lítio Max PV 190VDC
US$129.99 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!
Fotoelétrico Único IR Detector de Feixe Active Infravermelho Intrusão Movimento Sensor Alarme Infravermelho À Prova D 'Água Ao Ar Livre Assaltante
US$7.74 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.
Módulo de alimentação dedicado à breadboard MB102 de 2 canais 3.3V 5V, Cor branca
US$5.99 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?
Módulo de fonte de alimentação ajustável Winners® 7A DC 60V Step Down regula a corrente Medidor de corrente e tensão Módulo Buck
US$16.99 US$20.99
1
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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!!
Módulo de Display OLED Geekcreit® 0.96 Polegadas 4 Pinos IIC I2C 12864 LED Geekcreit para Arduino - produtos que funcionam com placas oficiais Arduino
US$9.99 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...
Conjunto de módulo de irrigação automática DIY para detecção de umidade do solo e bombeamento automático de água para ferramentas de irrigação de jardim
US$6.99 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 Inversor DC18V / 22V-60V para AC110V/220V MPPT Inversor de Onda Senoidal Puro 50Hz/60Hz
US$98.99 US$166.99
2
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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....
Controlador de carga e descarga solar PowMr MPPT 60A 12V 24V 36V 48V Auto para bateria chumbo-ácido e lítio Max PV 190VDC
US$129.99 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...
Shunt externo FL-2 100A / 75mV 50A / 75mV Medidor de corrente Shunt Resistor para medidor de ampères digital Medidor analógico
US$7.69 US$8.99
0
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eddee54455 24/03/2021
Handy pack, arrived as expected in good order....
Conjunto de 164 tubos termorretráteis de poliolefina de diferentes tamanhos para cabos e fios com isolamento
US$6.99 US$9.99
0
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