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L298N Dual H Bridge Stepper Motor Driver Board
US$9.49 US$9.99

Q: The condenser on all these type boards becomes REALLY hot on any voltage between 6-12v. It seems not depending on the load current. Why could this be?

Asked by fathergorry on 2018-09-04 06:14:54

wujiahui when the driving voltage is 7v-35v, this supply is suitable for power supply, DO NOT input voltage to +5v supply interface, however ledding out 5v for external use is available.

2018-09-09 08:18:01 Helpful (2)
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Answers (4)
fathergorry 03/05/2019
Good thing. You can screw longer shaft in.
IPREE EDC Rubber Band Slingshots Outdoor Powerful Camping Hunting Shooting Bow Tool Kit
US$9.99 US$19.25
0
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fathergorry 03/05/2019
Solid made. There's a hole with screw.
Drillpro Kindling Firewood Splitter Drill Bit Firewood Split Drill Bit for Electric Drill
US$12.99 US$21.99
0
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fathergorry 30/05/2018
A bit too small for man's hand. The receiver got easily broken, but I think I can fix it.
MantisTek® VM1 1600DPI Adjustable 6 Buttons 2.4GHz Wireless Ergonomic Vertical Mouse
US$10.09 US$20.00
0
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fathergorry 30/05/2018
Just flawless.
Geekcreit® ATmega328P Nano V3 Module Improved Version No Cable Development Board Geekcreit for Arduino - products that work with official Arduino boards
US$10.99 US$14.99
0
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fathergorry 30/05/2018
Didn't use yet, hope it works!
Geekcreit® D1 Mini Single Lithium Battery Charging And Battery Boost Shield Board
US$2.62 US$5.17
0
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fathergorry 14/05/2018
It's okay, allows seeds to grow.
10000PCS/Bag Pearl Shaped Crystal Soil Growing Jelly Balls Hydrogel Gel Polymer Decorations
US$3.15 US$11.32
0
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fathergorry 22/02/2018
Crisp and clean sound. Maybe a bit too sparse. The lows are big but not formed. The highs are wide and not annoying. The mids are ok.
BlitzWolf® Graphene Earphone BW-ES1 In-ear Wired Control Earphone With Microphone
US$13.59 US$29.99
0
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16 Keys TTP229 Capacitive Touch Module I2C Bus
US$9.99 US$11.99

Q: Is there any static protection?

Asked by fathergorry on 2018-02-16 08:15:04

Bruce I received mine, it comes with a static bag

2018-02-28 12:38:28 Helpful (0)
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Answers (1)
fathergorry 12/02/2018
Strange thing: when program starts (just an unchanged adafruit sketch), there's an error on nodemcu (continuous and not every time). But when I disconnect and reconnect SDA wire on powered-up board, the board always start to work properly. Why could this happen, can anyone suggest?
MPR121-Breakout-v12 Proximity Capacitive Touch Sensor Controller Keyboard Development Board
US$5.31 US$10.99
0
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Comments (1)
fathergorry 02/02/2018
Shines exactly as expected. No additional cirquit needed to power it up, just a 12v supply.
5M White/Warm White 5630 SMD Non-waterproof 300 LED Strip Light DC12V
US$5.64 US$14.99
0
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fathergorry 29/01/2018
Very affordable thing. Remember, it has no BEC, so don't plug its VCC into tester or unsuitable flight controller.
30.5x30.5mm Racerstar REV35 35A BLheli_S 3-6S 4In1 Brushless ESC Built-in Current Sensor Support DShot600 for RC Drone FPV Racing
US$37.99
1
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fathergorry 23/01/2018
The led is off in both switch positions, and there's no output signal at 12.2 v power either from subwoofer or regular amplifiers.
2.1 TPA3116D2 50W*2 Digital Amplifier Board 12V-25V For 12V 24V Cars
US$17.89
2
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Comments (1)

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