Portable DS211 Mini LCD Digital Oscilloscope

List price: $69.00
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Portable DS211 Mini LCD Digital Oscilloscope

DS211 is an update style of DSO201, a pocket size digital storage oscilloscope fulfills basic electronic engineering requirements. It is equipped with 320*240 color display, Weighs only 65g! Portable Digital Oscilloscope DIY Kit provides waveform viewing.


ADC: MCU internal ADC
Number of channels: 1 Analog channel + 1 internal channel
Analog bandwidth: 200KHz
The maximum sampling rate: 1MSa/s
Maximum storage depth: 8K
Horizontal scanning speed: 1uS / Div ~ 2S / Div (1-2-5 step)
Vertical Sensitivity: 20mv / Div ~ 10V / Div (1-2-5 step)
Input impedance: 1MΩ
Coupling: DC / AC
Trigger mode: Rising / falling edge trigger
Auto adjustment mode: AUTO_FIT
Operation waveform: -A, RecA, A + RecA
Signal output: Square wave, sine wave, triangular wave, sawtooth wave
Trigger mode: Auto, Normal, Single, None, Scan
Measured values: Signal frequency / period / duty cycle, Voltage peak-to-peak value / effective value / maximum value / minimum value / average value
Storage: 8MB built-in USB flash disk
Can be installed 1 PC APP
Operation: Press the key
USB interface: Micro USB
Battery: 550mAh
Screen size: about 2.8 inches
Screen resolution: 320*240
Size: about 106.5*55.7*11.5 mm/ 41.93*21.93*4.53 in
Weight (with battery): about 65g
Open source: application layer open source
Certification: CE / FCC


1. Based on STM32 do open source products. Oscilloscope and a multimeter.
2. The good helper in measurement and maintenance work.
3. Can be used as a good tool for STM32 series MCU programming.

Packing list:

1 * DS211 host
1 * DS211 dedicated MCX probe
1 * 800mah built-in lithium battery
1 * Mini USB cable
1 * Manual
1 * Cloth velvet protective bag

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LCD Screen Grades

ConditionDescriptionLCDGlassFlex CableFrameAppearance Intactness
Aftermarket BasicChina LCDJKAftermarketAftermarketAftermarketNew
Aftermarket StandardFlex Cable ReplacedOriginalAftermarketOriginalAftermarketNew
Aftermarket SelectedGlass ReplacedOriginalAftermarketOriginalAftermarketNew
Original PullsPull From Used DevicesOriginalOriginalOriginalOriginalNew Alike
OriginalOriginal Equipment ManufacturerOriginalOriginalOriginalOriginalNew

In Union Repair store, we grade our iPhone screen into 5 different types of quality on the basis of different material assembled. The following is the full details of each condition.


After Market Basic

It is with widely accept major complaint replacements for original parts, which keeps a right balance between price and quality. It has sustainable supplying chain in China, and all the components of the screen are copy quality. Typically, the LCD screen is from several different factories, the most popular 4 on China market are JK,AUO, LongTeng, and ShenChao. By comparing the brightness and sharpness of the LCD, we found JK is the best quality among them and the second best is AUO. No doubt, the other components on the screen are all copy.


After Market Standard

It is better than After Market Basic cause it comes with original laminated flexes and the LCD panel. Other components like touch panel, frame(hot pressed), backlight, polarize lens, and OCA is all copy from different factories.


After Market Selected

The core components (like LCD and flexes) is 100% original pulled from used iPhone while the frame and touch panel is copy. The touch panel and frame come together with cold pressed glue and assembled together with the LCD by the capable third-party factory which keeps its excellent quality. 


Original Pulls

No doubt, it is tear down from used iPhone with all the parts 100% original and working perfectly just like an original new screen, it has whatever the original new screen has. The only complaint about this quality is that some of the displays are with 1 or 2 scratches but still be welcome by our critical customers who are requiring good quality.


Original New

It is 100% original from Apple-authorized factories like Toshiba, Sharp, and LG. We get this kind of screen from the first level dealer. The touch panel of the screen is oleophobic coated which prevents from fingerprints when using your iPhone. And starting with iPhone 7g, the backlight from different authorized factories comes with a different code. Backlight from Sharp has the code begins with DKH/CON, from Toshiba begins with C11/F7C/FZQ, from LG begins with DTP/C3F. 



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