Hey guys
This is my built
King Kong 210 lite
King Kong 2205 2300kv motors
Littlebees 20a esc
Naze32 Rev 6
Boscam tx Rx
Ccd camera
Quanum googles
D4r receiver
Taranis transmitter


Do I need an osd with this specs ?and how do help me if yes

No one "needs" OSD. It's simply a convenient way to display parameters about your flight/quad such as battery level, time flown, signal strength, etc.

If you fly close by so going out of range isn't a problem, I don't see the need for it. You can use a lipo checker to make sure your battery voltage doesn't drop below a certain level.

OSD is not a must but convenient. Mainly used for Monitoring Lipo Voltage / Flight Time / RSSI etc...Check this Video our for setting up MinimOSD on Naze 32 Boards:


As you are doing a 210 build, you may want to go with micro minimOSD which is explained well in below video:


The above mentioned are old tech. These days you can get inbuilt OSD in PDB's / Flight Controllers and even some FPV Cameras are shipping with OSD inbuilt to save space, wiring mess and grams.

As you are using a Taranis and D4r you also can establish telemetry link and monitor voltage from Taranis itself. Setup switches on Taranis to give audible feedback for fpv sessions.

Also Don't forget to setup failsafe on d4r-ii. it is a must.

Thank you very much , guys

Since you have a Taranis, you can use the telemetry to monitor battery voltage and RSSI. However, OSDs with a current sensor let you monitor how many mAh you have consumed which is a more accurate way of keeping track of your battery. I also like having the data overlaid on the FPV feed.

The Micro MinimOSD is nice since it lets you tune your PIDs via OSD but I find that they die very easily. I now use the Matek HubOSD which is a PDB with an integrated current sensor and OSD and I like it so far. It has a nice board layout that make wiring neat and the OSD looks good as well.

SK1701 is talking about this board;
http://www.rchyper.com/matek-hubosd-eco-h-power-distributon-board.html

I am tempted , it's looks like you make a really clean built but I am going use the taranis's telemetary and mayb when I upgrade will look into it , thank you clearing my question