NikolayRadulov
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DIGOO DG-SD10 Transmitter Self-powered Waterproof Doorbell EU/US/UK Plug Unique Sliding Button 58 Melodies 4 Levels Volume Adjustment Door Bell
US$13.70 US$17.99

Q: Transmiter switch is Water proof ?

Asked by BG571713241 on 2022-07-14 01:00:17

NikolayRadulov No, it is not waterproof. Also objects like metal or water block the signal between the pusher and the ringer.

2022-07-14 11:15:12 Helpful (0)
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Answers (1)
NikolayRadulov 12/02/2018
I got one of these kits, and I gave it to my daughter to assemble it. She did so under my supervision, we were very careful about the elements orientation on the board. What surprised me is that PCB tracks would easily come off the PCB, regardless of setting the soldering iron to 200 degrees C, lowest possible. Finally, 4 of the blue LEDs came defective, I had to replace these with ones of my own. I would recommend this as a soldering and assembly practice, but the overall quality is bad :(
DIY Double Color Flashing Lights Kit Electronic Production NE555+CD4017 Practice Learning Kit
US$4.39 US$4.29
1
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NikolayRadulov 24/10/2021
Very nice sticker, allows rearranging of the branches to fit the space.
Photo Tree Wall Stickers Removable Waterproof Vinyl Art Decal Home Bedroom Decor Family Memory Wall
US$10.82 US$19.99
0
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WangDaTao HU-005 Digital Clock Production Kit 51 Single-chip Clock Training Welding Parts DIY Electronic Soldering Starter Kit
US$8.65 US$11.99

Q: Hello, can you please share what is the type of the backup battery? Thank you!

Asked by NikolayRadulov on 2021-03-03 06:49:41

BG411516414 CR1220

2021-08-19 08:32:14 Helpful (0)
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Geekcreit® Colorful Digital Clock Electronic Production Kit DIY Parts Component Kit Electronic Watch Welding Experiment
US$5.99 US$10.99

Q: the time in the clock is not increasing. it is showing same time all the day. it is stuck at the same time. please tell me how to fix this?

Asked by Partha on 2021-07-05 04:08:37

NikolayRadulov Hello, excuse me, this may be a stupid question, but have you tried to adjust the clock's time? Mine has an initial state after power-up that shows some random and static time.

2021-07-06 05:50:04 Helpful (0)
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Answers (4)
NikolayRadulov 09/06/2021
Works fine, I have the green version, can be seen well. It is easy to assemble.
Geekcreit DIY 4 Digit LED Electronic Clock Kit Temperature Light Control Version
US$9.97 US$11.99
0
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NikolayRadulov 09/06/2021
This is a must have kit, for anyone that assembles electronic/Arduino kits.
Geekcreit 310pcs 2.54mm Male Female Dupont Wire Jumper With Header Connector Housing Kit
US$2.99 US$6.47
0
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NikolayRadulov 09/06/2021
This is a must have kit, for anyone that assembles electronic/Arduino kits.
120pcs 20cm Male To Female Female To Female Male To Male Color Breadboard Jumper Cable Dupont Wire
US$4.96 US$5.99
0
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NikolayRadulov 05/06/2021
Powerful motor, works perfect. I am using it in a Useless box project, it drives the hand that switches off the main switch.
JX Digital Servo 17g Metal Gear PDI-1181MG For for WLtoys 144001 WPL RC Car B1/16 B24 C14 C24 Helicopter Airplane
US$10.55 US$12.61
0
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NikolayRadulov 09/06/2021
This is a must have kit, for anyone that assembles electronic kits.
Geekcreit® 600pcs 30 Kinds Value 1% 1/4W Metal Film Resistor Assorted Kit 20pcs Each Value
US$3.59 US$8.69
0
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NikolayRadulov 09/06/2021
Haven't tried yet, but seems solid, well made.
24BYJ48 Stepper Motor DC 5V 4 Step Motor Micro Gear Motor
US$5.30 US$10.99
0
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NikolayRadulov 09/06/2021
Good stepper motor, but mine heats up, however it works without problems.
28BYJ-48 5V 4 Phase DC Gear Stepper Motor DIY Kit
US$4.39 US$9.99
0
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NikolayRadulov 09/06/2021
Powerful DC motor, I am using it in a project - Watch winder.
65 x 26mm Plastic Tire Wheel + DC 3-6v Gear Motor For Smart Car
US$3.43 US$8.99
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NikolayRadulov 09/06/2021
Very good combination, it controls my home made Watch winder. The board works about several months now, day and night, no problems.
L293D Motor Driver Shield + Mega2560 Module Board Kit
US$24.87 US$32.64
0
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Geekcreit® DIY Radio Electronic Kit Parts 51 Single-chip FM Digital Sound Machine
US$21.99 US$23.99

Q: Will this save the station frequency even after disconnect the power?

Asked by Krishna on 2021-05-20 10:52:31

NikolayRadulov Hello Krishna, Unfortunately, by design it does not save stations. Regards, Nikolay

2021-05-22 12:25:40 Helpful (1)
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Answers (1)
NikolayRadulov 10/05/2021
The board is fully Arduino compatible, it looks and works well. I recommend it to anyone that would make a robotic project.
Geekcreit® UNO R3 ATmega16U2 AVR USB Development Main Board Geekcreit for Arduino - products that work with official Arduino boards
US$8.99 US$22.99
0
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NikolayRadulov 10/05/2021
This clock is easy to assemble, the parts are relatively large, no SMD. It has a nice housing box, looks cool on my desk. It has also a backup battery, this is a real plus.
Geekcreit® Colorful Digital Clock Electronic Production Kit DIY Parts Component Kit Electronic Watch Welding Experiment
US$5.99 US$10.99
0
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NikolayRadulov 10/05/2021
It was very hard for me to assemble this clock, the U1 chip is so small and its tiny connectors are very hard to solder, I had to modify my soldering iron in order to make it possible to mount the chip. However, the clock now works, it has a very strange setting buttons, but time can be set, the calendar option is also nice. I would recommend this one as a challenge to older people like me, the astigmatism makes soldering of this one really hard.
Geekcreit® Multifunctional LCD Music Spectrum Large Font DS3231 Clock DIY Kit
US$8.26 US$25.90
0
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Geekcreit® DIY Radio Electronic Kit Parts 51 Single-chip FM Digital Sound Machine
US$21.99 US$23.99

Q: Ho il display che non mi funziona, la radio si. Qualcuno mi può aiutare?

Asked by giovanin on 2021-05-07 12:45:10

NikolayRadulov Hello Giovanin, Please check the potentiometer that regulates the contrast of the screen. If this does not help, please check the assembly that you did. I hope this helps. Regards, Nikolay

2021-05-07 01:03:44 Helpful (0)
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Answers (4)
NikolayRadulov 01/03/2021
The clock is really great, I like it. There are couple of strange things about it - the third digit has to be head-down, its dot is used to display the blinking column of the clock. The next thing is that during the initial setup there must be set the reference value of the temperature. Finally, the day is displayed in the format "- 2 - " for Tuesday for example. The good things about this clock are: big and shiny numbers, compact, can be placed under your TV and powered by the Set-top-box to show you the time :)
WangDaTao HU-005 Digital Clock Production Kit 51 Single-chip Clock Training Welding Parts DIY Electronic Soldering Starter Kit
US$8.65 US$11.99
0
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