FPV Question - Page 1
Forum section: electronics / projects

author: vargoal
author_rank: Regular Contributor
timestamp: October 17, 2015, 06:51:49 pm
content: Hi,I am making an electronic payload board for my High Power Rocket and I need to add video streaming. I think the best way to do this is to add a commercial FPV system because it will be easier and more reliable. Does anyone have suggestions for an FPV system with a range of approx. 1500 ft or a suggestion for a better way to add video to the payload?

author: zapta
author_rank: Super Contributor
timestamp: October 17, 2015, 07:06:21 pm
content: Quote from: vargoal on October 17, 2015, 06:51:49 pmI am using the Fat Shark HD2 camera + TX + RX + goggles. The goggles are optional if you want to display the video on a monitor. The HD2 camera also has a micros slot and records the images in higher resolution. (if you want recording only you don't need the TX/RX boards). For the TX board they have two versions, one with higher power for hams. Probably this is the one you want.You will need to figure out how to install the camera to get a good view and will need a small battery.Hope it helps.

author: Mechatrommer
author_rank: Super Contributor
timestamp: October 17, 2015, 07:42:51 pm
content: Quote from: vargoal on October 17, 2015, 06:51:49 pmfatshark is too expensive for me and the video system is kinda fixed. so i bought Wireless Audio Video Transmitter TS352 + Receiver RC305 (FPV 5.8GHz 500mW) due to some positive online reviews. some people claimed even the little brother 200mW TS351 transmitter capable of sending up to 38km thats the record i dont know how he did it maybe a very well tuned antenna but i'm still searching the clue in the rcgroup forum... the TS35X brotherhood are speced within 2-5km but i havent make a field test since i no have my drone completed yet, and i'm too scared to fly as a pilot and losing all my stuffs and all... planning to diy the 2-3 axis fpv using oshw arduino mini + 6dof module + zoomable camera... just in case if you prefer the diy stuff instead of expensive readymade.. well, i hope you are not going to kill people with your high powered rocket...

author: hendorog
author_rank: Super Contributor
timestamp: October 18, 2015, 03:57:47 am
content: These little pcb's are the cheapest and lightest option I know of:http://www.aliexpress.com/item/rc-receiver-and-transmitter-5-8Ghz-200MW-Video-Audio-A-V-Transmitter-TX-and-5-8GHz/32293419672.html?spm=2114.01020208.3.158.floPYJ&ws_ab_test=searchweb201556_1,searchweb201527_4_71_72_73_74_75,searchweb201560_4This one has switches for channel selection added, and has the SMA adapter soldered on:http://www.ebay.com/itm/NEW-TS5823-5-8Ghz-32CH-200mW-Wireless-Microwave-Mini-Transmitter-Module-for-FPV-/121708672100?hash=item1c5666f464:g:fL4AAOSwMmBVrJ3PThey are also available in 2.4ghz which might be affected less by the rocket body, but 2.4ghz needs larger antennas.These things output ordinary composite video, and the quality is SD not HD. There are some HD systems available if you need that, for $$$The range you are after is not very far by fpv standards. If you have range issues then the key place to start is with the antennas.You will need something that will transmit the signal downwards without being adversely affected by the body of the rocket itself. This will need a bit of testing and trial and error I expect. Perhaps a dipole mounted horizontally across the rocket or a short helical pointing downwards.

author: Psi
author_rank: Super Contributor
timestamp: October 18, 2015, 07:14:46 am
content: Cheapest way to get live video over 500m is- 400mW 5.8ghz video transmitter, cost ~$25 (200mW would also be fine for 500m but 400mW would be best and cost diff is tiny)- 5.8ghz video receiver, cost ~$15- Antenna, cost 2x $5- Camera $30 (but $60 will get you a much better one. I'm thinking a surveilzone board camera)- Screen $20 ebay 5" lcdNote that you want to pay attention to the antenna type and mounting position so you don't end up in the nulls.You also might be able to find a LCD screen with built in 5.8ghz receiver that would save a little money, however the built in receivers aren't as good

author: vargoal
author_rank: Regular Contributor
timestamp: October 29, 2015, 04:37:59 pm
content: Thanks everyone!