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iQ_kz 28/05/2018
Speed is NOT "Class 10" - a bit slower. But overcome mark is A+ (cheap, real capacity, good package etc)
MIXZA Shark Edición Tarjeta de Memoria 16GB Micro Tarjeta SD Clase10 para Smartphone Cámara MP3
US$9.99 US$11.99
0
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iQ_kz 28/05/2018
Bought one before - it didn't work. Bought again - it works. So, i found the reason: don't beleive "IO", that are written on this board - use any port scanner. Ports are different. And note: this device is the same size as WEMOS small square "internet of things" wifi board and WEMOS battery charging board and WEMOS TF card board. The only thing to do for using less size - is to un-solder the 4 pins and use cable directly.
Módulo de visualización OLED Geekcreit® 0.96 pulgadas con 4 pines IIC I2C blanco 12864 LED Geekcreit para Arduino - productos compatibles con las placas oficiales de Arduino
US$11.99 US$13.99
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iQ_kz 28/05/2018
Used for my different android devices. Works fine. But there's no connector included, that connects to battery. And i couldn't find an appropriate, so i un-solded this connector and solded battery case direclty.
WeMos® D1 Mini Carga de Batería de Litio Individual Y Escudo de Refuerzo de la Batería
US$4.31 US$5.17
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iQ_kz 28/05/2018
This s the third time i bought these boards. Excellent quality. Enough pins. No "contras" - only "pros". A++
Tablero de Control Geekcreit® ATmega328P Nano V3 Mejorada, Versión Mejorada, Módulo de Desarrollo
US$3.99 US$25.99
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iQ_kz 28/05/2018
Works well. Plug can be easily un-solded - if you don't have enough space for it, and use cable directly instead of plugging. First, i thought, that the display resolution is too small for output of all needed data - but it's enough. A+
Geekcreit 0.91 pulgadas 128x32 IIC I2C pantalla OLED LCD azul módulo de bricolaje controlador SSD1306 IC DC 3.3V 5V
US$2.99 US$8.99
0
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iQ_kz 28/05/2018
Used in my android devices. Work well. A+
3Pcs Mini Tarjeta Micro SD Shield Para Módulo Inalámbrico WiFi ESP8266 SD D1
US$4.99 US$8.99
0
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iQ_kz 28/05/2018
Good quality. Enough in/out pins. Wifi works not excellent - sometimes something happens - but usually fime. Wifi range is acceptable. Good for different DIY.
WeMos® D1 Mini V2 NodeMcu 4M Bytes Lua WIFI Internet de Las Cosas Tablero base de Desarrollo ESP8266
US$9.99 US$11.99
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iQ_kz 28/05/2018
VERY interesting device. Used as a keyboardless input for some of my android devices. Works fine. Works through walls also. A++
5Pcs RCWL-0516 Sensor de Radar de Microondas Sensor Humano Módulo de Sensor de Cuerpo Módulo de Interruptor de Inducción Salida 3.3V
US$2.99 US$10.99
0
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iQ_kz 28/05/2018
Cheap. Temperature can be adjusted. Max temperature is enough for everything. The only "minus" is that some soldering endings are a bit shorter, than the lock - so they dangle a bit.
Mustool® MT223 60W Soldador Eléctrico de Temperatura Ajustable con 5 puntas de soldadura
US$16.11 US$24.99
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iQ_kz 28/05/2018
50 small and 25 large of each color. BUT. All sizes of all colors use different voltage, so i damaged many LEDs prior to finding the correct voltage for each color/size. Some are pulse-only, some can use constant voltage. Some use 1.8v, some can work even at 5v. Dear manufacturer! A short piece of paper with characteristics of each type is STRICTLY needed.
Geekcreit® 375pcs 3MM 5MM LED Light Emitting Diode Beads Resistance Lights Kits Bulb Lamp
US$5.99 US$7.99
0
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iQ_kz 28/05/2018
Bought it for a theater play. Fits any arm. Seems scary enough. Cheap.
diablo halloween horror baila máscara de lobo completo o guantes de lobo
US$3.99 US$10.22
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iQ_kz 28/05/2018
Bought a pair of remotes. Fits my DIGOO system. Fits my KERUI system (two different KERUIs). Fits some more equipment, that uses 433mhz. Nice design. If to compare these remotes with the original remotes, that came with alarm systems some years ago - it's like to compare a new BMW with an old crawler. I'd recommend everyone to buy a pair as "a preserve" (when another digoo sale appears) - because sometimes remotes stop working.
Sensor de Puerta y Ventana DG HOSA 433MHz Sensor PIR Controlador Remoto Inalámbrico Sistema de Alarma
US$8.99 US$10.99
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iQ_kz 28/05/2018
Really nice item. Ordered a pair with different colors. Used one for two months. Now i know, that it's washable. And that my arms are VERY dirty... :) Nice feelings. Rudder is not cold in winter and not hot when car was under direct sunlight for a long time. A++
Cálido invierno de felpa Coche anillo de acero cubierta de la rueda Soft accesorios de automóviles
US$3.33
0
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iQ_kz 28/05/2018
I tried to do everything. I obtained two different how-to's for seeding these bamboo. One - with pre-germinate procedures, another - without. Temperature, soil type, watering - everything was fine. Two months passed - no result.
Egrow 100Unids Semillas de Bambú de Jardín Arbor Moso de Hoja Perenne Plantas de Patio Phyllostachys Pubescens
US$3.99 US$4.99
0
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iQ_kz 28/05/2018
Received this "DIY" powerbank. Ordered lot of two. The only two things, that i am to "DIY" - to insert batteries, stick black detail to the case cover (note, left-right side matters) and "click" the case. Red LED shows capacity percentage etc. A sticker, that covers these LEDs on the mainboard was clued a bit wry. I unsticked it and clued back correctly. there's a note at the case, that both input and output voltages can be either 5V or 8V. I tried most my devices - but all of them were charged enough, so i couldn't test. Case is not easy to "click", to close. It's not a common "two small latches lock", as usual - but a VERY strong lock, fastening case top 360, from all sides. White "searchlight" LED is omnilight. Turning it on/off be long pressing PWR button. Design is perfect. Very stylish. I'd recommend it as a primary powerbank for a 3-5 days hikes/campings/trips. I don't recommend it to be used as a charger for 18650 batteries - it's hard to disassemble the case for changing batteries.
Bakeey Type C 7x18650 Batería Dual USB DIY Banco de energía Caso Kit Caja para Smartphone
US$16.99 US$20.99
0
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3UDS Batería de Li-ion Recargable Elfeland 3.7v 4200mAh 18650 Azul
US$9.26

Q: how did the manufacturer "rated" these 4200mA? was it a charging test, or a discharging test?

Preguntado por iQ_kz sobre 2018-02-04 12:46:18

Buechsenoeffner The real capacity is between 420 mAh and 1300 mAh. The seller will NEVER correct his wrong claims or do a measurement. Why? First reason: In China most of the people don't believe that truth is important. Selling by setting wrong expectations is important! Second reason: The KP of China has set a climate where nobody cares about the truth. Nobody speaks out. Nobody likes it.

2018-02-20 05:45:23 Servicial (1)
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iQ_kz 21/01/2018
"blue/brown" output (as written) are red (+) and black (-). but both input and output are ~AWG24. and according to AWG chart, at least AWG21 or AWG22 is needed for 50W DC output. no tech specs included. disassembled one - very good quality and components. tested voltage and amperage: no load: 11.66V 1.5A load: 11.56V 2.5A load: 11.56V 3.5A load: 11.54V 3.5A for 10 minutes: temperature increased very slightly. so, i don't think ho overheat would happen if wattage is less than 50W. cheap, good quality bought lot of 3, all work fine, and voltage is the same +/-3%
AC90-240C a DC12V 28W 48W Controlador de Transformadores de Iluminación de Fuente de Alimentación para Tira LED
US$11.99 US$14.99
1
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iQ_kz 21/01/2018
5V is enough for transmitter (1 wall and ~15m) has "ant" hookup, so i think, external antenna can also be soldered very low power consumption. good quality. correct frequency. cheap.
Decodificador de transmisor RF Geekcreit® 433Mhz con módulo receptor para ARM MCU inalámbrico Geekcreit para Arduino: productos que funcionan con placas oficiales de Arduino
US$1.99 US$7.99
0
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iQ_kz 02/01/2018
nice device. but note! there were only two magnets in my device. not three, as shown on picture. quality is good.
Banda magnética para herramientas HILDA para sostener herramientas, soporte para herramientas en la muñeca
US$7.69 US$13.99
0
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Dc 3v al módulo de potencia 7000V 7kV alta tensión de impulso generador de step-up
US$4.12

Q: Min/max input voltage? 2x AA accu is ~2.4V, 1x 18650 accu is ~3.7V. Would both work, or exactly 3.0V needed?

Preguntado por iQ_kz sobre 2017-11-19 12:06:31

lizgo is exactly 3.0V needed

2017-12-03 08:55:57 Servicial (0)
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