by Desheng Jiang

This is the place where you can engage in intersting topic and leave remarks and review


by Desheng Jiang

Metal 6DOF Mechanical Robot Arm Gripper Frame Combo w/ Servos + 32CH Control Board + PS2 Controller & Receiver

6DOF Mechanical Arm Gripper Frame
- 6DOF mechanical arm
- Flat fixture structure
- Full metal frame, 2mm aluminum alloy processing
- Light weight and high strength
- With 5mm acrylic baseplate for arm, controller, battery installation
- Arm turning angle: 180degree
- Arm turning radius up to 355mm
- Height: 460mm
- Gripper front width: 55mm
- Gripper Max.width: 98mm

32CH Servo Controller Board:
- Buzzer Low Voltage Alarm when the voltage is lower than 5V
- Suport Offline operation/PS2 Controller/Bluetooth/Mp3 Module
- Control channels: 32
- Dimensions: 65mm x 55mm
- Mounting hole size:54*44mm
- USB control: Support
- Storage :16M
- Weight: 27g
- PS2 Controller: Support
- Signal Isolation Protection: Support
- Built-in Switch: Support
- Overcurrent protection: Support
- Connect External Bluetooth module: Support
- Connect External MP3 module: Support

568pcs 30 Sizes Metric Copper Flat Ring Washers Gaskets Assortment Set Kit

- Univesal Fits
- Suitable for automotive, ships or electrical applications such as oil lines, hydraulic fittings, oil drain plugs, and gaskets
- High quality copper washer allows the maximum conductivity on electrical


Raspberry Pi 3 Model B 1GB RAM Quad Core 1.2GHz CPU Starter Kit Case+16GB+HDMI+Power

- Raspberry Pi 3 Model B 1GB RAM Quad Core 1.2GHz CPU
- Built on the latest Broadcom 2837 ARMv8 64bit processor, the new generation Raspberry Pi 3 Model B is faster and more powerful than its predecessors. With built-in wireless and Bluetooth connectivity, it becomes the ideal IoT ready solution.
- 1.2GHz QUAD Core Broadcom BCM2837 64bit ARMv8 processor
- BCM43438 WiFi on board
- Bluetooth Low Energy (BLE) on board
- 4x USB 2 ports
- 40pin extended GPIO
- HDMI and RCA video output

Key Improvements from Pi 2 Model B to Pi 3 Model B:
- Next Generation QUAD Core Broadcom BCM2837 64bit processor
- Processor speed has increased from 900MHz on Pi 2 to 1.2Ghz
- BCM43438 WiFi on board
- Bluetooth Low Energy (BLE) on board
- Upgraded switched power source up to 2.5 Amps (can now power even more powerful devices over USB ports)

Speakers & Earphones recommendation

by Desheng Jiang

Today we are exploring the speakers and earphones and gain overall view of those items!!

Bluetooth Wireless Stereo Headset Headphone with Receiver USB for PS4 PC
The Wireless Bluetooth Headset with Receiver for PS4 connects wirelessly to your PS4 console via Bluetooth connectivity, taking your gaming experience to the next level. High-grade speakers produce clear sounds with crisp highs and booming bass. Inbuilt microphone is sensitive enough to pick up your voices clearly, great for online chatting. And it comes attached with a compatible receiver. Featuring a plug-and-play design, the tiny receiver quickly pairs to the headset for high performance. So, what are you waiting for? Click and order right now!

- Connect wirelessly to your PS4 console via Bluetooth connectivity
- Take your gaming experience to the next level
- High-grade speakers produce clear sounds with crisp highs and booming bass
- Inbuilt microphone is sensitive enough to pick up your voices clearly
- Come attached with a tiny, plug-and-play receiver

Floating Magnetic Levitating Portable Wireless Bluetooth Speaker Christmas Gift

This speaker will make an amazing gift or gadget for you or your friends/family, it can be used together with base in levitating mode, or without base as a portable wireless BT speaker. Brilliant sound quality and focal point at gatherings or parties.

Here are few tips to set it up and make it levitate:
- First, turn ON speaker and pair it with your phone, ipad or player. Speaker will be discovered as "SC-25", pair with this device.
- Second, set magnetic levitating base on the horizontal surface and connect power supply to the base. You will see blue LED light all around base. This blue light indicates how good orb is stabilized.
- Third, using auxiliary stand, carefully place speaker orb precisely in the middle of the base. When speaker is stabilized in the middle in the correct position, open and remove auxiliary stand.
- If your attempt to make it levitate, was not successful, turn OFF the base and set speaker aside for few minutes. Try again after 5 minutes. Usually, if you follow instructions it will fly right from beginning, but if you accidentally will push it aside and it will fall, you will have to turn OFF the power and allow few minutes before second attempt.

UK BOYA BY-WM5 2.4GHZ Wireless Microphone MIC for DSLR Camera Camcorder Recorder
The BOYA BY-WM5 wireless microphone is designed for portable wireless operation, such as film work, podcasting, performances and other audio or video applications.

The 2.4GHZ GFSK system result in strong anti-interference, good security and stability. The operation range is 60m without obstacle, 360 degree all-round revolves workable and the maximum distance can reach up to 80m.

- Compatible with DSLR cameras, camcorders, audio recorder etc. & designed for portable wireless operation, such as film work, podcasting, performances and other audio or video applications.
- The 2.4GHZ GFSK system result in strong anti-interference, good security and stability.
- Two-way communication, but only sound from transmitter can be recorded.
- The operation range is 60m without obstacle, 360 degree all-round revolves workable and the maximum distance can reach up to 80m.
- You can adjust the volume through VOL+ and VOL- volume control.
- The lapel clip makes it easy to carry.
- The low-cut filter will prevent low end noise and record conversation clearly.
- Compact, High Performance and Lightweight
- The AAA batteries, super long 4 hours of battery life (not available);
- 5 Seconds Speed Channel Set and Easy to Operate;

Wouxun KG-UV9D Plus 2.5k U/VHF Dual Band 136-174/400-512 2000mAh Walkie Talkie
- This multi-modulation two way radio combines dual band transmission, 7 band reception and multiple feature options for multi-functional operation you won t get with a typical dual band handheld radio!
- Wide and multiple frequency range fits for various applications, 7 bands available in all
- Twin band receving simultaneously(U-U, U-V, V-U, V-V) and Seperate bands duplex(U-V, V-U)
- UHF/VHF or VHF/UHF Cross Band Repeater
- DTMF Encode and decode, all calls, group calls, and selective calls
- Stun, kill, monitor and inspection, multi singel tone pulse(1750Hz, 2100Hz, 1000Hz, 1450Hz)
- Wide and Narrow bandwidth selection, three output power levels: 4W 2W 1W at UHF; 5W 2W 1W at VHF

DJI Multicopter recommendation

by Desheng Jiang

In this blog ,some multicopter and related parts are recommended you can find which one you need !

DJI GPS Compass Module V1.0 for DJI NAZA-M LITE Flight Control System

The plug and play GPS module will greatly enhance the performance for Aerial Photography with accurate Position Hold, Return-To-Home and Intelligent Orientation Control functionalities. With the GPS Module, the multi-rotor will have position and altitude locked accurately even in windy conditions. Hovering accuracy is approximately 2.5m horizontal and 0.8m vertical.


T-Motor V2 14*4.8 Carbon Fiber Propeller Prop CW/CCW for Multicopter


- Carbon fiber material
- T-Motor Version 2 multirotor use
- Higher loaded ability, longer flight times, 100% balanced
- Middle hole diameter: 6mm
- Hole pitch: 12mm
- Side hole diamter: 3.2mm
- Size: 14*4.8
- Includes 14*4.8 CW/CCW propeller 1pair
- Accessories includes prop adapter 6mm*4mm ring 1pair, prop cover 1pair, M3 screw 4pcs


DJI Zenmuse H3-3D 3-Axis Gopro Gimbal FPV Camera Mount for Gopro 3/3+ Aerial Photography

The 3-axis H3-3D gimbal takes the unparalleled 3-axis stabilization of professional Zenmuse systems and brings them to the GoPro Hero 3 and 3+ for smoother Phantom videos than ever before. It is easy to install, lightweight and ideal for everything from extreme sport to filmmaking.

Small size, professional performance
3-axis GoPro stabilization, high precision control (within ±0.08°) and smooth tilt control.

Effortless Setup
Plug and play installation
No additional hardware or software tuning required

Smooth aerial creativity
On the Flame Wheel or the Phantom 2

Compatible with DJI flight control systems
Multirotor (currently supported) A2, WooKong-M, NAZA-M V1, NAZA-M V2, Phantom
Heli (will soon be supported) Ace One, WooKong-H, NAZA-H
NAZA-M LITE not supported

Notice: NAZA-M V1 and original Phantom users must use a NAZA-M V2 PMU

Part of the Zenmuse family

The H3-3D gimbal is powered by the same advanced algorithms, high

precision sensors and brushless motor designs used in professional

Zenmuse gimbals, making it astoundingly stable.

Independent IMU
An independent high-precision Inertial Measurement Unit (IMU) offers precise attitude information and more accurate control.

Online Upgrade
Functionalities can be easily expanded through firmware upgrades.


How to find cheap fishing supplies?

by Desheng Jiang

Fishing is one of the well-received outdoors activity ,which is entertaining and challenging.One must know how to play a waiting game ,whether you are fishing in river lake or sea you must pick the right place to cast the bait and in many cases ,experience and technique are required if you could ever catch a large fish.Quality fishing supplies ,on the other hand , is definitely prerequisite of wonderful fishing experience, when you out in the wild, while you enjoy the breathetaking landscapes a big fish just take a hard bite on the bait so you grasp your fishiing pole and make great effort to fight with it ..... . After long hours struggle, the fish is exhausted when you tryinh to pull it to land , the fishing line break.. how frustating is that !! another occasion is that you wait all day long only to find no fish interested in your bait , those situation would dramatically decrease joy of fishing .To prevent above mentioned case from happening, we should equipped with advanced fishing gear fisrt , and here some quanlity fishing supplies that would increase your success odds significantly!

JABO-5CG Carp Bait Boat Sonar GPS Runner Fishing Remote Control Fish Finder

- GPS, Eight Location memories, Sonar fish finder, Sailing forward, Turning left and right, Bait dropping, Hook-releasing, Directing light, Warter depth detecting, Sensitivity adjustment, Water temperature detecting, Low battery warning

T10 Mini Carp Bait Fishing Fish Boat Course 300M with Remote Control Green

- Bait boat can be turned left and right, forward and backward by remote controller.
- Used for bait casting ,dropping fishing line and fishing hook.
- It can be used in day and night (At night,bait boat can sail with LED navigator light)
- Built-in T18 bait boat low voltage protection Technology---- Advanced Technology.

The boat won t move forward even you press "go" button when the power is low.But the boat can return back when you press "back" button so that it can be returned back safely.

- The boat can release bait when the motors are on standy.

EYOYO 50M Infrared Underwater Ice Fishing Fish Finder Camera Video Recorder +4GB

This product you are watching now is the latest popular, fashional, good looking and convenient Underwater Video Camera System. It not only has a large and color screen, but also has a hight definition camera which has HD 1000TV lines. What s more, there are 12 high-power white lights for camera light source, and these 12 Infrared lights are separated from camera to prevent the water spray coming into the camera.the LED lights can be turned off if unnecessary.Free Removable Sunvisor included.With DVR Recording Function,Free 4GB SD Card included.

Application field: monitoring aquaculture, underwater exploration, Ocean/Ice/Lake fishing swimming/diving/snorkeling are all avialable.

To find a entertaining educational toy store online!

by Desheng Jiang

Toys ,which are entertaining and good for brain development, are indispensable items to every child during their childhood .Toys have been existing since prehistory time when toys may just be bones, stones or other simple stuffs. In contemporary world ,children can get nice toys on christmas , their birthday or simply a reward of behaving good which may become a headache to many parents:How to find toys conducive to their children's growth? How to find innovative and educational cool gadgets? How to find quality toys and how to get them fast and with lower price? Today,all the problems can be resolved wirh a new emerging online shopping website:

And here are some cool toys may cater to your children appetites:

- This is China Clone Version!
- Net weight: 0.370kg
- Size: Approx: 19cm
- Material : PVC
- Box Length*Width*Height: 15cm*8cm*22cm

Anime Body Kun & Chan DX Set PVC Action Figure Black Color Ver. S.H.Figuarts SHF Boxed 2pcs

- Material: PVC
- Size: 14.5cm/6"
- Condition: 100% new
- Manufacture: China, Chinese Factory Homegrown products for Sale
- This is great for children and collectors. Collect it now!

prerfect for hiking , camping etc

- Condition:100% brand new.
- Material: Zinc Alloy.
- Fidget Bearings:Ceramic Bearings ,The Bearings can be Removable and Replaced.Fast Rotation Hardness.
- Fidget Hand Spinner: Fidget 360° Spinner with Just One or Both Hands.It has a Variety of Playing Patterns.
- Great For Anxiety, Focusing, ADHD, Autism, Quitting Bad Habits, Staying Awake.

How much do you know about netgear extender?

by Desheng Jiang

Do you know one or two thing about netgear extender? it is amplifying device to increase your wifi signal which can be very important if you have difficulty in receving them! here is some WiFi Range Extender(netgear extender)you may know their characteristic and find which one is more suitable to you !

Netgear AC750 Dual Band Gigabit Wi-Fi Range Extender EX6100

- Extends 2.4 and 5 GHz WiFi signals from existing WiFi routers for better range
- Dual Band AC750
- 1 Gigabit Ethernet port
- Convenient wall plug design for discreet and easy placement
- Smart LED indicators help identify the ideal location for optimized performance
- FastLane™ feature provides high-speed WiFi on both wireless bands and is ideal for HD gaming and video streaming

Netgear EX7000 AC1900 Dual Band Wireless Gigabit Range Extender WiFi Booster

- 802.11ac dual band WiFi up to 1900Mbps
- 700mW amplified high-power design for ultimate range
- Dual core processor for max WiFi performance
- Next Generation WiFi:Create faster dual band WiFi access with 802.11ac technology up to 1900Mbps.
- Ultimate Range:700 mW high-power amplifiers & high-gain 5dBi antennas for maximum WiFi coverage.
- READYSHARE® USB:Wirelessly share & access USB storage connected to the USB 3.0 port.
- Blazing Fast CPU:Powerful dual core ARM A9 processor enables maximum WiFi throughput at Gigabit speed.
- Beamforming+:Focuses WiFi signals directly to wireless devices for more reliable connections.
- 5 Gigabit Ethernet Ports:Connect up to 5 wired devices like Blu-ray®players, game consoles, smart TVs or streaming players to your WiFi network.
- Wireless Printing:Print documents & photos to any USB printer connected to the WiFi Range Extender.
- FastLane™ Technology:Use both WiFi bands to establish one super high-speed connection; ideal for HD streaming & gaming.
- Brand: Netgear
- Condition:REFURBISHED(Fully tested before sending out,come with protect case,95%New)
- Product Number:EX7000
- WiFi Technology:802.11ac
- WiFi Performance:AC1900
- WiFi Band:Dual Band 2.4 & 5GHz
- Number of Ethernet Ports:Five (5) 10/100/1000 Ethernet ports with auto-sensing technology
- Number of USB Ports:One (1) USB 3.0 port

ARGtek DJI Phantom 3 Standard WiFi Signal Range Extender Antenna Kit 10dBi Omni White

- DJI Phantom 3 Standard WiFi Signal Range Extender Antenna Kit
- Two customized high-gain 2.4GHz~2.591GHz 7dBi panel & 1 dual band omni antenna with stand
- Lightweight, durable, pratical and convenient to use in compact design
- Full range coverage, strong and stable signal improves both remote control and Wifi video connection performance.
- Our antenna kits will extend the range up to 4 times the DJI rating

How to choose camera stabilizer?

by Desheng Jiang

Camera stabilizer also known as gimbal is a professional tool that help people stablize camera while shooting or making video! For those who are passionate about photography and enjoy the beauty of life, a professional, good -quality stabilizer can significantly improve their video quality and in some cases . essential tool.

here i would recommand some gimbal and their specification:

3-Axis Carbon Fiber Handheld Brushless Gimbal DSLR Camera Mount Stablizer


- Carbon fiber material, with aluminum alloy camera frame.
- For DSLR camera(such as: CANON 5DMarkII/5D Mark III,7D,SONY a900, NIKON D900/D800E/D700/D800)
- Total weight of the whole gimbal: 1790g
- Max.loading capacity 3kg.
- With Pan motor GBM5208-200T-12 sealed case.
- Pitch and roll with GBM5208-200T sealed case.

advantages: easy to operate stable durable afforable

3-Axis Handheld Brushless Gimbal Kit w/Motors & Storm 32bit Gimbal Controller for DSLR Camera Photography


- Carbon fiber material, with aluminum alloy camera frame.
- For DSLR camera(such as: CANON 5DMarkII/5D Mark III,7D,SONY a900, NIKON D900/D800E/D700/D800)
- Total weight of the whole gimbal: 1790g
- Max.loading capacity 3kg.
- With Pan motor GBM5208-200T-12 sealed case.
- Pitch and roll with GBM5208-200T sealed case.
- With 3 axis official Storm 32bit gimbal controller(sku:110143)

advantages: easy to operate high performance professional

How to find cheap gadgets?

by Desheng Jiang

Everyone needs gadgets ,parts or accessories every now and then , how to get them? Many people may tend to the nearest store or grocery shop while others ,with more experience,would choose to purchase them online well in this article, we would discuss and figure out where to find cheapest gadgets?

To begin with, is the accessories or parts in nearby shop really cheap ? The answer is no! Whether you live in big city or countryside you may see local retailers put slogan like: 30% OFF !or every thing must to go ! However even their price is significantly lower than no-sale day, they still can make a profit from them ,and one critical thing is that every store have rent to pay ,and need someone to be in the store like eight hours a day ,those payroll may seems to be paid by the shop owner, but ultimately is from their customer ,that is ,us! So .as long as the shop is at least make ends meet, all the expend is from local customer ,and that amount of money is directly included in the parts gadgets or accessories you buy!!

Then let’s talk about online shopping? It is well-accepted facts that China is the world factory and “MADE IN CHINA”is filled in our daily lives so how about famous Eaby or Amazon? There are many Chinese vendors out there.and item in there is cheaper than many nearby store? Well actually.All of platform charge around 10% fee to vendors selling products in their site, consequently,if you are looking for the cheapest gadgets ,forget about the platform ,so the most likely place to find the cheapest gadgets is independent shopping site!! You may hard to find quality site, here have some recommendation for you : if you are looking for lock stock ( significantly reduce shipping time1) free shipping ( all the local stock are free shipping) independent shopping website Loloprice would be a ideal option for you !

How much does auto parts cost ?

by Desheng Jiang

These days, a lot of friends asked me about the price of car maintenance and replacement time. Such as: when change the oil and the air conditioning filter? How much is oil and antifreeze ?...... Etc.. Here, i sorted out the car maintenance and repair prices and reference cycle, so in one minute you would become master in car maintenance , you do not want miss.this!!

Every once in a while auto malfunction occur to you, whether it happens when you are on the road to store, or pick up your friend,or sometime ,when you just start your engine!This problem absolutely cause inconvenience in our daily life ,however ,not necessarily inevitable

Here are some tips on how to prevent them from happening

Check your car regularly

Cars are similar to human body it may looks fine and healthy from outside but may lurk some fault inside! And there is a great chances that your car have flat tire or engine malfunction after rainy day or “sleepover” outside however unlike people ,cars couldnt tell you ahead of time about its problems so if you dont want to be late for your schedule,you must be proactive and that means you need to sensor the problem in advance!

In some of this case, tire pressure sensor would come in handy ,the way to use that is generally in three steps

Step 1 - Enter leaning mode
- Set the gearshift lever to "P"
- Put the ignition switch to ?ON?
- Enter the interface of tire pressure display by DIC
- DIC shows "Press Set / Ctrl to re-learn"
- Press ?Set / Ctrl?
- The turn signal is lighted for 3 seconds and the horn beep sound twice to enter the learning mode

Step 2 - Read tire pressure sensor information
- Start from the front-left wheel,
- Make the J-46079 or Diagnostic Tool EL-50448 antenna up against the valve core position & close to the rim of the tire sidewall
- El-50448 tire pressure tool starts by the start switch
- Successful to read the tire pressure sensor information when the horn bleeps once

Step 3 - Same method to read other tire pressure information
- Follow the instuction above to read tire pussure of the front-right, rear-right, rear-left wheels.
- Turn signals is lighted for 3 seconds and the horn bleeps twice when the learning is complete.

And such handy tool cost only about 38USD