Improved radio-controlled submarine, with two new features: 1) a moving weight for changing pitch, and 2) a water pump based ballast system. Lots of minor improvements too. Equipped with an Arduino Nano ESP32, a pressure sensor and a gyro/accelerometer sensor. Tested in a swimming pool and a small river. Enjoy!

0:00 building
4:10 test in a swimming pool
4:46 test in a river

SPECS
Displacement: 2.95 kg
Test depth: 1.5 m
Hull: acrylic plastic cylinder (250x120x3mm)
Round nose: plastic half ball (12 cm diameter)
Extra weight: 1.35 kg of tungsten pellets
Pump: Kamoer NKP peristaltic pump modified with Lego parts
Ballast tank: 50 ml animal IV bag
Moving weight: 400g of steel washer plates
Propellers: non-Lego 4-blade 55mm diameter PC prop, L/R handed
Magnetic coupling: K&J Magnetics D36-N52 neodymium magnet
Motors: 3x Lego PF M-motor (8883), 1x Lego PF XL-motor (8882)
Motor driver: DRV8833
Radio control: Graupner R700 40MHz receiver, Graupner X-412 40MHz controller
Pressure sensor: Honeywell SSCMANV030PA2A3
IMU sensor: MPU-6050 6-Axis Accel/Gyro sensor
Computer: Arduino Nano ESP32
Power supply: Lego Rechargeable Battery Box 9V (8878)
On-board camera: GoPro 8

C++ CODE, PART LIST, AND OTHER DETAILS
https://brickexperimentchannel.....wordpress.com/rc-su

PREVIOUS SUBS
1.0 syringe ballast https://www.youtube.com/watch?v=tGEZApd9MMk
2.0 magnetic coupling https://www.youtube.com/watch?v=MdfUSNzc0Xk
3.0 balloon and compressor https://www.youtube.com/watch?v=n83cSg3wohU
4.0 automatic depth control https://www.youtube.com/watch?v=KLEH8RJsYgI

Today in our village, we prepare SWEET KHAJA PURI, a traditional Indian dessert snack recipe known for its crispy, golden layers and sugary glaze.

Watch the entire process as we knead the dough, fold it into delicate layers, deep fry it in hot oil, and coat it with homemade sugar syrup. What makes this special is the sheer scale — we make hundreds of Khaja stacked into a giant mountain of flavor.

This sweet is often enjoyed during festivals and temple offerings across India, especially in states like Gujarat, Odisha, Andhra Pradesh, Bihar, and Tamil Nadu.

iPhone Duo / 18 Pro / 18 Pro Max Hands on!
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Music is from Epidemic sound:
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Portuguese will never forget Cristiano Ronaldo's performance in this match
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Unboxing a LEGEND in 2026: The Ultra-Rare Nokia 8910 Midnight Edition! 💎
In this video, we are stepping back in time to unbox one of the most premium, exclusive, and expensive mobile phones ever created: the legendary Nokia 8910 Midnight Edition.
Originally launched in 2002, the Nokia 8910 wasn't just a phone—it was an absolute status symbol. Crafted from pure titanium, it featured a breathtaking, motor-assisted sliding mechanism that still feels more satisfying than any modern foldable phone in 2026.
💰 The Price & Exclusivity (Then vs. Now)
Back in 2002: This masterpiece cost a fortune, retailing around €700-€800 at launch (equivalent to thousands today when adjusted for inflation and sheer prestige). It was reserved strictly for business executives and the elite.
In 2026: Finding a Nokia 8910 in mint condition—especially the highly coveted Midnight Edition with its sleek, dark titanium finish—is nearly impossible. It has become a holy grail for tech collectors, with prices skyrocketing in the retro-tech market.
Witness the satisfying mechanical "click", the premium feel of real titanium, and a pure wave of early-2000s nostalgia. Is this the most beautiful phone ever made? Let me know in the comments!
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Wild Ones - Episode 9: Perfect Camouflage | Wildlife Documentary

Watch 'Wild Ones - Episode 10' here: https://youtu.be/wB3QFOKIOHQ

The worlds most famous master of disguise, the resplendent chameleon is more than just an ever changing face. Able to change not only their colour but also their patterns the pink, blue, red, green, orange, black, yellow, turquoise and purple chameleons that we visit use these colour changes to communicate, letting others know their mood, their intention and their sexual state.

Wild Ones finds inspiration in the rhythms of nature as shown through the wonders of the animal kingdom. It explores different aspects of animal behavior, including hunting techniques and feeding habits, family elationships and defense mechanisms, courtship and mating rituals.

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Free Documentary is dedicated to bring high-class documentaries to you on youtube for free. With the latest camera equipment used by well-known filmmakers working for famous production studios. You will see fascinating shots from the deep seas and up in the air, capturing great stories and pictures from everything our beautiful and interesting planet has to offer.

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Song Line : Sneham Thenalla
Movie Name : Mayavi
Director : Shafi
Lyricst : Vayalar Sarathchandra Varma
Musician : Alex Paul
Playback Singers : M.G. Sreekumar, G. Venugopal
Starring : Mammootty,Manoj K Jayan
Release Date : 3 - 02 - 2007


|| ANTIPIRACY WARNING ||

NOTE : This content is Copyrighted to SPEED AUDIO VIDEO DUBAI . Any unauthorized reproduction, redistribution or re-upload is strictly prohibited. Legal action will be taken against those who violate the copyright of the same.

For enquiries contact: Speed Audio and Video P.O Box 67703, Sharjah, United Arab Emirates. Email: [email protected] ©Speed Audio & Video Sharjah, UAE.

The Wonderful Wildlife of Sardinia | Free Nature Documentary

Sardinia has always been the epitome of pure wilderness, an emerald of volcanic origin in the Mediterranean. 1900 meters of coastline and an infinite maze of offshore islands. But Sardinia also has other facets: green valleys, rugged mountains, murmuring brooks, mysterious ruins and a unique fauna.

Just off of Sardinia's coast is an untouched underwater paradise - uniquely beautiful, but also dangerous. Pilot whales, dolphins and mobula rays populate the waters at Capo Testa in the north of the island. In the west, the lagoons of Cabras represent a wild landscape of lakes in which thousands of flamingos live and hunt the red brine shrimps. In addition to the flamingos, grey and purple herons and little egrets breed here. Thousands of bats have found refuge in the craggy mountain world of the Supramonte and Gennargentu, with their countless grottoes and caves.

In the sea we can observe the mass mating of sea slugs, and thanks to our camera robots and submersible boats we were able to observe beard worms with luminous red gills, as well as bright yellow tree corals in the area surrounding the hypothermal lava holes.
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Enjoy stories about nature, wildlife, culture, people, history and more to come.

Song : Petha Manam
Movie : Oru Vasantha Geetham
Starring : T Rajendar, Gauthami, STR Silambarasan
Singer : SP Balasubramaniam
Director : T Rajendar
Music : T Rajendar
Duration : 00:00

Song : Thaai Maaman Kaigal Pattu
Movie : Thaai Naadu
Artists : Sathyaraj, Radhika
Singers : T. M. Soundararajan, Vani Jairam
Music : Manoj–Gyan
Lyrics : Aabavanan
Duration : 04:48

Song : Ponnumani Kannumani
Movie : En Aasai Thangach
Staring : Ramki, Balambika, Mohana
Singer : S. P. Balasubrahmanyam
Music : T. Rajendar
Lyric : T.Rajendar
Duration : 10:00

https://youtu.be/9FutelbRlzM

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https://youtu.be/IVCHTeFg55g

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@luckyaudio

✨ Thamizh (2002) is a powerful Tamil action-drama film written and directed by Hari and produced by Amudha Durairaj.

The film stars Prashanth in the lead role alongside Simran, delivering impactful performances. Known for its strong screenplay, emotional depth, and social message, Thamizh showcases Hari’s signature storytelling style with intense drama and action.

Released on 14 April 2002, the movie is remembered for its gripping narrative, realistic treatment, and engaging music composed by Bharadwaj.

A must-watch for fans of early-2000s Tamil action dramas and Hari-directed films.

⭐ Movie Details

🎬 Director & Writer: Hari
🧑‍💼 Producer: Amudha Durairaj

🌟 Starring:
Prashanth | Simran

🎥 Cinematography: Priyan
✂️ Editing: V. T. Vijayan
🎼 Music: Bharadwaj

🏢 Production Company: Deivanai Movies
📤 Distribution: Deivanai Movies
📅 Release Date: 14 April 2002
⏱ Running Time: 155 Minutes
🌐 Language: Tamil
🇮🇳 Country: India

💬 Synopsis

A socially driven action drama that follows a determined man who stands up against injustice and corruption. Blending emotion, realism, and action, Thamizh delivers a compelling story with a strong message.

📌 Hashtags (single line)

#Thamizh #TamilFullMovie #Prashanth #Simran #HariMovies #TamilAction #2000sTamilMovies #TamilCinema

Watch " Oorai Therinchikitten " HD Video Song with 5.1 Audio from the Tamil movie "Padikathavan (1985)" exclusively on @LeoMusicTamizh

Song Details :-
Song Title – Oorai Therinchikitten
Artists – Rajinikanth, ambika
Singers – K. J. Yesudas
Music - Ilaiyaraaja
Lyrics – Vairamuthu
Movie - Padikathavan (1985)

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The Day Lionel Messi Made History for Inter Miami & SHOCKED David Beckham

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In this video we will see how to make nuts jamun recipe in tamil. This is a quick and easy jamun recipe where I add some crushed nuts and make the jamuns slightly smaller and these make sure that the jamuns retain some texture and are not super soft. Compared to the traditional jamuns, these nut jamuns have a different flavor profile and are more interesting.
#JamunRecipe #MiniJamun #GulabJamun

Friends, please do try this nut jamun recipe at home and share it with your friends and family. Also please do share your feedback about the recipe in the comments below. All the best and happy cooking!

Ingredients for making Nuts Jamun:
15 Cashews
15 Pistachios
10 Almond
2 Cardamom
1 tbsp Ghee
1/2 cup Rava
1 cup Milk
makes 75 mini Jamuns

For Sugar Syrup:
1 cup Sugar
1 cup Water
1/2 tsp Lemon Juice
1/4 tsp Cardamom powder

Oil for Frying

Franklin & Shinchan Found a CURSED MONSTER CAR in GTA 5!
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the videos and graphics are in this video is not real it is from a virtual 3D game.... and it's only use for entertainment.....


In this video,

YouTube Disclaimer full information and explanation in tamil language.


Disclaimer: this channel does not promote or encourage any illegal activities, all contents provided by this channel.

Copyright disclaimer under section 107 of the copyright act 1976, allowance is made for fair use for purposes such as criticism, comment, news reporting, teaching, scholarship and research. Fair use permitted bye copyright statute that might otherwise be infringing. Non-profit, educational or personal use Tips the balance in favor of fair use

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Watch the powerful villain entry scene from Nannha Farishta featuring a dramatic introduction filled with tension, crime, and strong screen presence. This classic Bollywood clip sets the tone for conflict, danger, and emotional drama in the story.

Featuring legendary performances by Pran, Ajit Khan, and Anwar Hussain, Nannha Farishta is known for its emotional storytelling, crime drama elements, and memorable character performances. This villain introduction scene adds suspense and intensity to the narrative.

Movie Details:
Movie: Nannha Farishta
Genre: Crime, Drama
Language: Hindi

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World of the Wild - Episode 8: The Wetlands | Wildlife Documentary

Watch 'World of the Wild - Episode 9' here: https://youtu.be/SgFbEQp_muo

In this episode:
Swamps, wetlands, marshes, bogs, and fens are found all over the world, generally in more temperate regions where there is fast vegetation growth.

World of the Wild is a deeper journey into the crucial, fragile interdependence between animal life and the environment. Guided by the most up-to-date research we travel through jungles, forests, mountain ranges, deserts, and oceans to discover animals, their habitats, and the environment that sustains them. Their behavior, and ability to develop, survive and adapt to a changing environment are evident.

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Free Documentary is dedicated to bringing high-class documentaries to you on youtube for free. With the latest camera equipment used by well-known filmmakers working for famous production studios. You will see fascinating shots from the deep seas and up in the air, capturing great stories and pictures of everything our beautiful and interesting planet has to offer.

Enjoy stories about nature, wildlife, culture, people, history, and more.

The Movie Nattamai Was Directed by K.S Ravikumar in 1994 and Produced by R.B Choudary
The film stars Sarath Kumar ,Meena,Kusbhoo, Goundamani,Senthil, Sanghavi
Under the Composition Of Sirpy, Movie Came Out on 2nd November 1994

Animal's Super Sesnes - Episode 13: The Most Amazing Senses | Wildlife Documentary

Watch 'Animal's Super Senses - Episode 1' here: https://youtu.be/GOYKaACtpZI

In this last episode of animal Super Senses we take the grand final tour to see the greatest of all the special weapons that help some animals to govern the wilderness. In this episode we literally see it, hear it, touch it, smell it and taste it like animals do. Come and see the champions of the animal supremeness yourselves.

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Free Documentary is dedicated to bring high-class documentaries to you on youtube for free. With the latest camera equipment used by well-known filmmakers working for famous production studios. You will see fascinating shots from the deep seas and up in the air, capturing great stories and pictures from everything our beautiful and interesting planet has to offer.

Enjoy stories about nature, wildlife, culture, people, history and more to come.

Veena Ji's story shows how talent, when paired with determination, can leave a lasting mark.

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