ThiEYE Dr.X Quadrocopter Review.

Greet­ings! Today we will review the debut quad­copter from the man­u­fac­tur­er Thi­EYE — Dr.X. The quadric comes in a tight box, the lid fits snug­ly thanks to the built-in mag­nets.

Equipment

Instruc­tions in sev­er­al lan­guages, includ­ing clum­sy Russ­ian:

Characteristics

• Con­trol: via WiFi, via the Thi­EYE Dr.X app on a smart­phone
• Bat­tery: 3.7V 650mAh LiPo
• Work­ing time: 7–8 min­utes
• Con­trol radius: height — no more than 20m, dis­tance — no more than 50m
• Quadric dimen­sions: diag­o­nal­ly — 15.5 cm, height — 2.7 cm.
• Fea­tures: cam­era with Sony sen­sor, 8mp pho­to shoot­ing and Full­HD 30fps video; FPV over WiFi in 720P;
• sur­face recog­ni­tion sys­tem + barom­e­ter + 6‑axis gyro­scope for alti­tude hold;
• auto­mat­ic land­ing when the bat­tery is low.
• The weight of the quadric is 82 grams.

Performance comparison with Xiaomi MITU and DJI Ryze Tello

The body of the quadric is made of durable, almost rigid plas­tic. The build qual­i­ty is good. The on/off but­ton is on the bot­tom.

viscera

A microSD card for sav­ing pho­tos and videos is insert­ed into the slot locat­ed in the bat­tery com­part­ment. I liked the fact that the bat­tery does not need to be con­nect­ed with wires, as is usu­al­ly the case in inex­pen­sive quadrics, but sim­ply stuck it in and flew. More­over, you can not take it out for charg­ing, you just need to con­nect the MicroUSB cable to the quad­copter.

General information and features

• The quadric is con­trolled via WiFi through the Thi­EYE Dr.X appli­ca­tion. The appli­ca­tion is sim­ple and clear.
• The main screen dis­plays the drone’s bat­tery per­cent­age, free space on the quadric’s mem­o­ry card, vir­tu­al joy­sticks, and oth­er con­trol but­tons.

There are 2 flight modes: smooth and sharp (slow and fast). In the first mode, it is quite smooth and mod­er­ate­ly slow (bet­ter suit­ed for fly­ing indoors), while in the sec­ond it is much more “dar­ing” and fast (bet­ter suit­ed for fly­ing out­doors, with wind). It is worth not­ing that in any of the modes the quadric is sen­si­tive and respon­sive, there are no delays in con­trol, the quadric reacts instant­ly. The only thing that has a delay is the video trans­mis­sion. And even despite the fact that the delay is small, it will not work com­fort­ably to fly on the so-called FPV over WiFi. In addi­tion, the cam­era can­not be turned off to save bat­tery pow­er and fly longer.

The quadric itself ris­es to a height of one and a half to two meters. In order for it to start and rise to a height, you must press the “TAKE OFF” but­ton and slide. The same process is in order to land a quadric.

The quad­copter can be con­trolled both with the help of vir­tu­al but­tons on the smart­phone screen and with the help of a gyro­scope. The sec­ond type of con­trol works, but is not as con­ve­nient as the first. In addi­tion, I did not under­stand how to adjust the height in this mode.

There is a pos­si­bil­i­ty of auto-cal­i­bra­tion, which takes about 2 sec­onds.

There is a func­tion to instant­ly turn off the drone (at the same time, it does not lose con­nec­tion with the phone and you can take off again at any time).

There are two modes that deter­mine which side of the quadric will be front. The mode in which the front is the back side is main­ly intend­ed for self­ies.

There is an option to con­fig­ure the joy­stick depend­ing on Amer­i­can or Japan­ese habits (I did not under­stand what the dif­fer­ence is).

The app also allows you to update the drone’s firmware.

A quadric can’t do flips and rolls. It has a 360° swiv­el fea­ture.

When the bat­tery is low, the quad will auto­mat­i­cal­ly land.

If the con­nec­tion between the quadric and the smart­phone is lost, it will hang in the cur­rent posi­tion in the air until the con­nec­tion is restored. I tried to turn off WiFi on the phone so that the con­nec­tion was cut off — the quadric real­ly freezes in the cur­rent posi­tion. When WiFi was turned on, the con­nec­tion was restored instant­ly.

The quad cam­era can shoot Full­HD 30fps video and take pho­tos in 3264x2448 res­o­lu­tion. Due to the lack of sta­bi­liza­tion, the video qual­i­ty leaves much to be desired.

Photo examples:

Quadric con­trol video + video from the quadric itself:

autonomy

The quad comes with one 600mAh bat­tery, which lasts for 7–8 min­utes of flight. It takes an hour and a half to charge. When charg­ing, the LEDs flash blue, when com­plet­ed, they are lit steadi­ly.

Results

Pros:

• good qual­i­ty and pre­sentable pack­ag­ing (suit­able as a gift)
• qual­i­ty assem­bly;
• many use­ful fea­tures;
• good han­dling and height reten­tion;
• thought­ful and opti­mized appli­ca­tion;

Minuses:

• delay in video trans­mis­sion over WiFi;
• use­less video due to lack of sta­bi­liza­tion;
• You can’t turn off the cam­era (so that the video isn’t streamed to your phone).

Quad­copter can be pur­chased here:

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