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LM317 1.25V-12V Continuously Adjustable Regulated Voltage Power Supply DIY Kit US 





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Features:

High quality regulated power supply whose output voltage is continuously adjustable from 1.25V to 12V.
One way adjustable signal generator output, convenient to provide pulse signal for test circuit.
With the function of logic pen, it is convenient to test logic level of test circuit.
With one way buzzer, it can test the wires on and off and low-frequency signal.
Easy to install and maintain.

Specifications:

Plug Type: EU / US (optional)
Input Voltage: 220V(EU) 110V(US)
Output Voltage: 1.25V-12V Continuously Adjustable
Power: 2W
PCB Size: 7.3 * 6.2cm / 2.8 * 2.4in
Item Weight: 340g / 12oz
Package Size: 15 * 15 * 5cm / 5.9 * 5.9 * 2in
Package Weight: 344g / 12.1oz

Package List:

1 * Regulated Power Supply Kit

- Obchod - TOMTOP
- Odkaz - 
- Odkaz pro Tapatalk - Zdroj
- Cena - zatím 244,-Kč (poštovné je zdarma z Číny)
- Doba doručení od objednání - cca 10-20 pracovních dnů
- Zajímavosti - nastavitelný zdroj
- Video

Mohu se zeptat kolik to dá A při zatížení ?

Je tam napsano 2W, takze 0,16A?

Aha díky, hledal jsem nějaký přepočet ale nenašel, jsem v tomto oboru nováček , je to taková hezká stavebnice.

Tak to je o voltech, pri 12V mas 0,16A, pri mene zase vice amper.

Stabilizátor LM317 "umí" až 1,5 A. Diody jsou určitě na 1A Takže pokud by se dalo silnější trafo a možná větší chladič, dá se z toho dostat více.

(27.3.2016, 10:37)Rossi D Napsal(a): Tak opět jedna síťová zbytečnost 

Network Tool Kit



- Obchod - Aliexpress
- Odkaz - 
- Cena - od 300,-Kč 

Pánové, máte někdo? Jaká je zkušenost s těmi kleštěmi. Dá se s tím konektor pořádně domáčknout nebo je to bláto? Na takové to občasné domácí přecvaknutí...

Pánové, co říkáte na tento Dron? X5SC

https://www.slevomat.cz/sleva/1085763-dr...-pokrocile

nebo mi doporučíte ve stejné cenové kategorii něco jiného?

Já Ti asi s nákupem neporadím, anoncovaný dron z TomTopu jsme s vnukem lehce vyzkoušeli doma, ale to se prostě nedá, chybí místo - venku je pro změnu stále mrazivo, nevlídno a tak čekáme na jaro 

Jinak na X5C je recenze zde → RECENZE SYMA X5C – OVĚŘENÁ KLASIKA
a na X5SC zde → Syma X5SC: vynikající stroj pro děti a začátečníky

nějaké to porovnání → REVIEW ON SYMA X5C-1, SYMA X5SC AND SYMA X5SW: PROMISING ADVANCES DRONES EVERYTIME

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Kua, že mne ta cena vůbec ale vůbec nepřekvapila 

Ale panove, zase ty zabery z toho!
https://www.youtube.com/watch?v=3Le9cumv8ME

Jj, hezké ....

DSO138 2.4" TFT Handheld Pocket-size Digital Oscilloscope Kit DIY Parts Electronic Learning Set 1Msps








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This DSO138 digital oscilloscope kit adopts ARM Cortex-M3 processor and with 2.4-inch TFT screen. It's easy and reliable for circuit operation. It can display frequency, period, pulse width, duty ratio, MAX./MIN./AVG./Peak-Peak/virtual values.

Features:

This kit uses ARM Cortex-M3 processor (STM32F103C8), and includes a 2.4-inch color TFT display screen, can be used as ARM test development board.
Can be secondary development on the basis of this kit, for example, it can be changed to Millivoltmeter, data loggers.
Adjustable vertical displacement, and with instructions.
With automatic, regular and one-shot modes, easy to capture the moment waveform.
Available rising or falling edge trigger.
Observable previous trigger waveform (negative delay).
Can freeze at any time waveform display (HOLD function).
Comes 1Hz /3.3V square wave test signal source.
With waveform parameter digital display, including frequency, period, pulse width, duty ratio, MAX./MIN./AVG./Peak-Peak/virtual values.

Note:

This DIY kit is not soldered yet!

Specifications:

Maximum Real-time Sampling Rate: 1Msps
Accuracy: 12Bit
Sampling Buffer Depth: 1024 bytes
Analog Bandwidth: 0-200KHz
Vertical Sensitivity: 10mV / Div - 5V / Div (1-2-5 progressive manner)
Input Impedance: 1MΩ
Maximum Input Voltage: 50Vpp (1: 1 probe), 400Vpp (10: 1 probe)
Coupling Modes: DC / AC / GND
The Horizontal Time Base Range: 10μs / Div - 50s / Div (1-2-5 progressive manner)
Supply Voltage: DC 9V
PCB Size: 117 * 76mm / 4.6 * 3in
Screen Size: 52 * 40mm / 2 * 1.57in
Package Size: 18 * 12.5 * 3cm / 7.08 * 4.92 * 1.18in
Package Weight: 119g / 4.21oz

Package List:

1 * DSO138 DIY Digital Oscilloscope Kit
1 * Probe

- Obchod - TOMTOP
- Odkaz - 
- Odkaz pro Tapatalk - Oscilloscope Kit
- Cena - zatím 416,-Kč (poštovné je zdarma z Číny, jinak + 264,- z DE)
- Doba doručení od objednání - cca 10-20 pracovních dnů, jinak 1-4 dny z DE
- Zajímavosti - Oscilloscop stavebnice
- Video

KKmoon 12000mAh Portable Car Jump Starter Power Bank with LCD Screen & Compass and LED Flashlight 3 USB Port Charging for IOS Android Smartphone Tablet Laptop








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KKmoon Car Jump Starter:

12000mAh capacity + LCD Screen + Compass + LED Flashlight + 3 USB Ports
Supposing your car can't be started because of some problems of its storage battery, this 12000mAh car jump starter can play a role of emergent power to help you out. In addition, its USB ports can charge 3 devices simultaneously such as mobile phone, tablets and other USB-enabled devices. What's more, with a high-contrast LCD display in blue backlight and a LED flashlight, it provides extra convenience in your daily life.  

Features:

Powerful & Faster Battery Charger
With 400A peak current and 12000mAh high capacity.
It equipped with 3 USB ports can charge different devices simultaneously such as mobile phone, tablets, music players and other USB-enabled devices at a fast speed.
LCD Screen & Compass
The high-contrast LCD display in blue backlight can exactly show the remaining power.
The compass on the surface helps you find your way home when get lost in the wild.
LED Flashlight
Besides a LED light with 2 modes (high and strobe). It provides extra convenience in your daily life.
The strobe mode can be used as a hazard warning light to notify a traffic accident or call for emergency services.  
Safety Protection
The high quality and spray gold clamps has over current protection, short circuit protection, overload protection, over-voltage protection and over-charge protection.
Convenient Package
Comes with heavy duty clamps and cables. Compact enough to store in your glovebox. Also support a portable storage bag for you.

Specifications:

Brand: KKmoon
Color: black
Battery capacity: 12000mAh/44.4WH
Input: DC 15V / 1A
Output: DC 12V(for car)
USB1: 5V/2.4A, USB2: 5V/1A, USB3: 5V/1A
Starting current: 200A   
Peak current: 400A
Applicable engine type: <3.0L Gasoline
LED flashlight: 86LM
AC power adapter: Input 100-240V 50-60Hz, Output 15V/1000mA
Charging time: about 4h
Cycle life: 1000 times
Operating temperature range: -10℃ to 60℃
Wall charger plug: US, UK, EU(optional)
Product dimension: 16.5 * 8 * 3.5cm
Package size: 25 * 20 * 7cm / 9.8 * 7.9 * 2.8in   
Package weight: 1030g / 36.3oz

Package List:

1 * Main Jump Starter
1 * Jump Cable
1 * Car Charger
1 * Wall Charger
1 * USB Cable
1 * User Manual
1 * Storage Bag

- Obchod - TOMTOP
- Odkaz - 
- Odkaz pro Tapatalk - Power Banka
- Cena - zatím 784,-Kč (poštovné + 264,- z DE)
- Doba doručení od objednání - 1-4 dny z DE
- Zajímavosti - možná nastartuje i auto 
- Video (ilustrativní)

DS3231 Creative DIY Dot Matrix LED Clock Kit Desktop Precise Electronic Digital Alarm Clock Temperature Display









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With this digital clock DIY kit, you can make a creative clock by yourself. It looks very simple but practical for use.

Features:

Adopts DS3231 high precision clock chip(with temperature compensation), it can still accurately travel time after powered by backup battery.
Gravity sensor function, it can show time normally when you turn over the clock.
Special dot matrix design, reminding important festivals and alarm clock function. 
Large digital LED display, can show you time/temperature/date/day clearly.
The font and the display effect can be switched freely.
Has hourly and half hour chime functions(07:00-23:00) with slight buzz alarm.  
Ideal digital clock DIY kit for electronics enthusiasts, easy to install. 
Can connect with USB interface for power supply, convenient for use.   

Specifications:

Power Supply: USB Interface / 1 * 3V Button Battery（NOT included)(ONLY for travel time, will not display)
Display: LED
Dot Matrix Size(1pc): 4.5 * 2.8cm / 1.77 * 1.1
Acrylic Board Size(1pc): 10.4 * 8.4cm / 4.1 * 3.7in
PCB Size: 10.4 * 2.8cm / 4.1 * 1.1in
Package Weight: 142g / 5.02oz

Package List:

1 * Electronic Clock DIY Kit
1 * USB Cable

- Obchod - TOMTOP
- Odkaz - 
- Odkaz pro Tapatalk - LCD Hodiny
- Cena - zatím 271,-Kč (poštovné je zdarma z Číny, jinak + 266,- z UK)
- Doba doručení od objednání - cca 10-20 pracovních dnů, jinak 1-4 dny z UK
- Zajímavosti - LCD hodinová stavebnice
- Video

Ugee M708 Ultra-thin Draw Digital Graphics Drawing Painting Tablet Pad 10" * 6" Active Area 2048 Level Pressure Sensitivity








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With Ugee M708 digital graphics drawing tablet, you can draw, paint and edit picture on your PC with a pen, not the inflexible mouse! Draw creative lines smoothly and fluidly! 10" * 6" large active area, 5080LPI high resolution, 230RPS report rate, 2048 levels pen pressure sensitivity will offer you excellent digital creating experience.

Features:

You can draw, paint, edit, sign, chat, write on your PC like using a real pencil.
10" * 6" large active area, 5080LPI high resolution, 230RPS report rate, 2048 levels pen pressure sensitivity for no delay or no chopping excellent drawing experience.
Advanced silkscreen (S2) offer smooth and fluid drawing texture, wearable, heat-resistant and corrosion-resistant for long time use.
8 shortcut key(zoom in/out, brush size +/-, undo, hand, brush, eraser), you can set default according to personal habits.
Click the pen button to switch it between drawer and eraser, comes with a pen holder, 8 refills and 1 refill remover.
Compatible for Windows XP/7/8/8.1/Vista/Mac OS X 10.6.8 or Above.
Support for Adobe Photoshop/Photoshop CC/Illustrator/LightRoom/Corel Painter/Autodesk MAYA/Pixologic ZBrush and etc drawing software.
Of size 36 * 21 * 0.8cm, super thin and lightweight, with non-slip rubber.

Specifications:

Brand: Ugee
Model: M708
Active Area: 10" * 6"
Resolution: 5080LPI
Pressure Sensitivity: 2048 Levels
Report Rate: 230RPS
Accuracy: +-0.01"
Reading Height: 8-15mm
Interface: USB Port
Pen Type:  P51
Pen Battery Compatibility: 1 * AAA Battery (Not included)
Compatible OS: For Windows XP/7/8/8.1/Vista/Mac OS X 10.6.8 or Above
Compatible Software: For Adobe Photoshop/Photoshop CC/Illustrator/LightRoom/Corel Painter/Autodesk MAYA/Pixologic ZBrush and etc.
Item Size: 36 * 21 * 0.8cm / 14.2 * 8.3 * 0.3in
Item Weight: 657.5g / 23.2oz
Package Size: 38.5 * 24 * 5cm / 15.2 * 9.4 * 2.0in
Package Weight: 1140g / 40.2oz

Download Driver: http://ugee.net/download.asp

Package List:

1 * Tablet PC
1 * Pen
1 * USB Cable
1 * Pen Holder containing 8 * Refill & 1 * Refill Remover
1 * User Manual(English)

Note:

Computer and battery are not included.

- Obchod - TOMTOP
- Odkaz - 
- Odkaz pro Tapatalk - Grafický Tablet
- Cena - zatím 955,-Kč (poštovné je zdarma)
- Doba doručení od objednání - cca 10-20 pracovních dnů
- Zajímavosti - na takové ty domácí "Picassoviny"
- Video

Mini WiFi RGB/RGBW Controller MIC Music Control for 5050 LED Strip light DC5-24V



Ovladac LED pasku pres vasi wifi sit. Pouzivam na osveteleni za TV a podhledu. Ovladacu je mozne mit vice. V android aplikaci si je pojmenujete a nastavite prislusne parametry.

Description


Product Functions

• 1. 16 Million Colors
  
• 2. Smartphone Control
  
• 3. Sync Control by Group
  
• 4. MIC & Music mode for LED Strip
  
• 5. Custom mode
  
• 6. Timer Mode
  
• 7. Kickstart your party
  
• 8. Light Dancing with Music
  
• 9. Save Favourite Colors
  
• 10. Remote control by Intenet
  

1.Working Voltage: DC5-28V
2.Output channel: Can be used 3 channel
3.Output current: RGB: 4A*3 RGBW: 4A*4
4.Connect method: Common anode
6.Dimension: L52mm*W22mm*H9mm, Remote Control Distance: 50 at Outdoor
7.Connect way: V+,R,G,B for LED Light, V+,V- for Power supply, ANT for WIFI Signal Reception.

Cena: cca 230,-Kc
Odkaz: ebay

Zajímavé 

Omezená AKCE !!!

Syma X8W 2.4G Wifi FPV RC Quadcopter - Orange - RTF




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Features:

FPV real-time video Wi-Fi transmission.
Low-voltage and over-current protection.
Headless function can recall the aircraft easily.
6-Axis gyro quad-rotorcraft flight, strong stability.
With function of 360° eversion and throwing flight.

Specifications:

Brand name: Syma
Model NO.: X8W
Item type: Quadcopter 
Material: ABS
Color: orange
Controller mode: Mode 2
Channels: 4 Channels
Function: Ascending, descending, forward, backward, accelerate, turn left, turn right, side fly, 360 degree accurate localization, hovering, 360 degree roll-over, 3D eversion and headfree.
Remote control frequency: 2.4GHz
Gyroscope: Six axis
Suitable ages: Above 14 Years old
Battery power: 7.4V 2000mAh lipo battery
Battery dimensions: 8.2 * 3.3 * 1.8cm
Battery weight: 102g
Charging time: About 200 minutes
Working time: About 7 minutes
Battery of transmitter: 4 * AA batteries (not included)
Item dimensions: 50.2 * 50.2 * 19.1cm
Item weight: 1026g

Package information:

Package size: 35.1 * 34.8 * 17.1cm / 13.8 * 13.7 * 6.7in
Package weight: 1488g / 3.3lb
Gift box package

Notice:

This RC model is not a toy and is not suitable for children under 14 years old.
Carefully read the instruction before any use, if you are a beginner, it's advisable to be assisted by an experienced adult.

Package list:

1 * X8W Quadcopter
1 * 2.4G Transmitter (mode 2)
1 * WiFi FPV Camera
2 * Propeller Set
1 * 7.4V 2000mAh Lipo Battery
1 * Phone Attaching Clamp
1 * Propeller Cover Set
4 * Propeller Protection Frame
4 * Landing Skid
1 * Balanced Charger
1 * Screwdriver Set
1 * English Manual

- Obchod - TOMTOP
- Odkaz - 
- Odkaz pro Tapatalk - Syma X8W
- Cena - zatím 1298,-Kč (poštovné 264,-Kč z DE))
- Doba doručení od objednání - cca 1-4 pracovní dny
- Zajímavosti - trošku větší Syma s velmi dobrou cenou - u nás více jak jednou tolik (přes 3.000,-Kč)
- Video