Yohan

@YohanHadji • 3,844 subscribers

La vie est belle @EPFL https://t.co/DEzz0WvLSe

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finally did it!! live video transmission between two esp32 with PCB antenna at 1000m distance! 640x480 and >20fps. we have a protocol above UDP packets. It allows sending large amount of data over small packets without having to use ACK and retransmits (not FEC).

finally did it!! live video transmission between two esp32 with PCB antenna at 1000m distance! 640x480 and >20fps. we have a protocol above UDP packets. It allows sending large amount of data over small packets without having to use ACK and retransmits (not FEC).

288,669 görüntüleme

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600'000 radiosondes ($100M) are lost in nature each year after being used for only 2h. The Meteoglider returns to home after each flight to be reused.. it has been tested by national weather services in Switzerland, France, Spain and Denmark. NOAA it's your turn!

600'000 radiosondes ($100M) are lost in nature each year after being used for only 2h. The Meteoglider returns to home after each flight to be reused.. it has been tested by national weather services in Switzerland, France, Spain and Denmark. NOAA it's your turn!

316,868 görüntüleme • 1 yıl önce

Snowfalls from this week in Switzerland seen from 100'000ft. The meteoglider keeps returning radiosondes to launch site no matter the season.

Snowfalls from this week in Switzerland seen from 100'000ft. The meteoglider keeps returning radiosondes to launch site no matter the season.

219,011 görüntüleme • 10 ay önce

I made a 240g glider that returns to home from the stratosphere, it took me 5 years.

I made a 240g glider that returns to home from the stratosphere, it took me 5 years.

263,491 görüntüleme • 2 yıl önce

the white dot in the upper left corner at 1:30? that's two others Meteogliders about to fly back home too😊 Returning 2 x Vaisala RS41 and 1 x Meteomodem M20.

the white dot in the upper left corner at 1:30? that's two others Meteogliders about to fly back home too😊 Returning 2 x Vaisala RS41 and 1 x Meteomodem M20.

162,806 görüntüleme • 1 yıl önce

at Meteomatics we dare mighty things* *249g Meteoglider (including 4K camera) releasing at 30'000m before returning to weather balloon launch site with precious weather sensors. Making them reusable.

at Meteomatics we dare mighty things* *249g Meteoglider (including 4K camera) releasing at 30'000m before returning to weather balloon launch site with precious weather sensors. Making them reusable.

85,629 görüntüleme • 1 yıl önce

weekend project: get 3D position from trilateration between three LoRa ground stations! GNSS (green) vs LoRa ToF trilateration (red), as computed onboard.

weekend project: get 3D position from trilateration between three LoRa ground stations! GNSS (green) vs LoRa ToF trilateration (red), as computed onboard.

77,899 görüntüleme • 1 yıl önce

live image transmission between two esp32 with PCB antenna from ~400m distance..needs some improvement before reaching 1km!

live image transmission between two esp32 with PCB antenna from ~400m distance..needs some improvement before reaching 1km!

79,327 görüntüleme • 1 yıl önce

the world is so fucking beautiful up there

the world is so fucking beautiful up there

74,713 görüntüleme • 2 yıl önce

sunset in the stratosphere seen from a 250g weather sensor gliding back home from 30'000m altitude. The Meteoglider is making radiosondes reusable

sunset in the stratosphere seen from a 250g weather sensor gliding back home from 30'000m altitude. The Meteoglider is making radiosondes reusable

39,361 görüntüleme • 1 yıl önce

Using a Meteoglider is the easiest way to get thermal IR images from very high altitude. I believe this could be useful for wildfire monitoring when weather balloons are launched anyway for wind measurement. Reach out if you have another application in mind!

Using a Meteoglider is the easiest way to get thermal IR images from very high altitude. I believe this could be useful for wildfire monitoring when weather balloons are launched anyway for wind measurement. Reach out if you have another application in mind!

10,143 görüntüleme • 6 ay önce

Daha fazla içerik yok.