An L2C Documentary: The FIRST Tech Challenge

This is our short documentary/promo video for the FIRST Tech Challenge! All video is from the FTC Alabama State Championship on January 21 2017!
The FIRST Tech Challenge – A competition for students to test their minds and robot designs!

Click here to visit FIRST’s website

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Beginner Robotics: The Avoider

This is a basic object avoiding robot.

Click here for the full build article!

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Build a touchless lightswitch : A Beginner?s guide to robotics

An arduino controlled touchless switch.

Click here for the full build article!

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Arduino Controlled Floating Magnet Switch

The Floating Magnet Switch

Another option for building the switch is to use magnets to control the switch. This is more for adding that “cool factor” to the project than function.

The Parts

A Shoe Box

Magnets

String or Wire

 

Building The Frame

Attach your magnets to your string or wire. I used wire because I didn’t have any string lying around. Poke a hole in the top and the bottom of the shoe box so you can run the strings or wires through. Tie them off on the outside of the box.

 

Make sure the magnets aren’t too far apart. If the magnets are too close, all you have to do is tie knots onto the string or wire on the inside of the box to pull the magnets further apart.

 

Once the magnets are attached to the box properly, stand the box up and hang the bottom magnet from the top one. Poke a hole in the side of the box at about the height of the top magnet. Run the wires for the ultrasonic object detector through this hole and then attach the sensor to the wires. Position the sensor so it is aiming at the bottom magnet.

Afterwards, follow the steps above to upload code to the board, but use this code instead:

int trigPin = 2; int echoPin = 3; long duration, inches; int switchState = 0; void setup() { pinMode(trigPin, OUTPUT); pinMode(echoPin, INPUT); pinMode(7, OUTPUT); pinMode(13,OUTPUT); } void loop() { digitalWrite(trigPin, LOW); delayMicroseconds(5); digitalWrite(trigPin, HIGH); delayMicroseconds(10); digitalWrite(trigPin, LOW); pinMode(echoPin, INPUT); duration = pulseIn(echoPin, HIGH); inches = (duration/2) / 74; delay(200); while(switchState==0) { if(inches>5){ break; } if(inches<=5) { switchState=1; analogWrite(6,127); digitalWrite(13,HIGH); digitalWrite(7,HIGH); delay(100); analogWrite(6,0); delay(100); break; } } while(switchState==1) { if(inches<=5) { break; } if(inches>5) { switchState=0; analogWrite(6,127); digitalWrite(13,LOW); digitalWrite(7,LOW); delay(100); analogWrite(6,0); delay(100); break; } } } 

This is a Modified version of the Touchless Lightswitch.
Click here to see the full build article!

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Xiaomi launches the Redmi Note 4.

Daaaaaaamn Xiaomi! Back at it again with budget smartphones! Yeah, because that’s what Xiaomi is doing, again.

Xiaomi launched the Redmi note 4 in India today and priced the starter model at INR 9,999. For a smartphone with the below given specs, this cell is a game changer and a serious threat to the other smartphone companies.

The note 4 comes in three variants, 2GB RAM/32GB Storage, 3GB RAM/32GB Storage and 4GB RAM/ 64GB Storage priced at Rs 9999, Rs 10,999 and Rs 12,999 respectively

The cell has a 5.5 inch screen and on screen capacitive buttons and comes built in with a 4,100 mAh battery.

The Xiaomi Redmi 4 has a 13-Megapixel primary sensor with f/2.0, PDAF, dual LED flash and a 5-Megapixel secondary sensor with beautify mode. As for the software, the Redmi Note 4 runs Android OS v6.0 layered with the MIUI 8. The device has a 4,100 mAh battery that supports fast charging. Xiaomi claims that the Snapdragon 625 will add up to power savings since they use FinFET technology minimizing current leak at the transistor level.

Connectivity features include the usual Wi-Fi 802.11, Bluetooth v4.2, GPS, GLONASS, USB 2.0, IR port and hybrid SIM slot. Xiaomi has also retained the capacitive touch buttons on the front and the fingerprint sensor sits at the back. Xiaomi Redmi Note 4 will be available starting from 24th January in Silver, Gray, Gold, Blue and Black colors.

The full phone specs:

  • 5.5-inch FHD display, 401ppi. 2.5D curved glass. Reading mode
  • Octa Core Qualcomm Snapdragon 625 at 2.0 GHz, 2GB/3GB/4GB RAM
  • Internal Storage 32GB/64GB, Expandable up to 128 GB13-Megapixel Primary sensor, PDAF, f/2.0, 5-Megapixel Secondary Sensor, beautify with smart and pro
  • Fingerprint Sensor, Metal Body, capacitive touch buttons
  • Android Marshmallow with MIUI 8.0 (upgradeable to Android Nougat Preview)4,100mAh battery, Fast Charging support
  • Wi-Fi 802.11, WiFi Direct, Bluetooth v4.2, micro USB v2.0, hybrid SIM slot

The Xiaomi Redmi 4 sports a 13-Megapixel primary sensor with f/2.0, PDAF, dual LED flash and a 5-Megapixel secondary sensor with beautify mode. As for the spftware, the Redmi Note 4 runs Android OS v6.0 layered with the MIUI 8. The device has a 4,100 mAh battery that supports fast charging. Xiaomi claims that the Snapdragon 625 will add up to power savings since they use FinFET technology minimizing current leak at the transistor level.

Connectivity features include the usual Wi-Fi 802.11, Bluetooth v4.2, GPS, GLONASS, USB 2.0, IR port and hybrid SIM slot. Xiaomi has also retained the capacitive touch buttons on the front and the fingerprint sensor sits at the back. Xiaomi Redmi Note 4 will be available starting from 24th January in Silver, Gray, Gold, Blue and Black colors.

What do you think about this smartphone? Let us know in the comments!!

 

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Micromax Vdeo 3 & Vdeo 4 4G VoLTE Smartphones Launched in India

Micromax Vdeo 3 & Vdeo 4 ?4G VoLTE Smartphones Launched in India?

Key Specifications and features of?Micromax Vdeo 3

Micromax Vdeo 3 has 5.00-inch HD Display which has elegant look. In addition it has camera- Front 2MP &?Rear Camera- 5MP also supports Resolution of ?720×1280 pixels. More Over the Micromax Vdeo 3 has in built ?RAM 1GB and which is coming up with operating system of Android 6.0 and phone storage?8GB, which has decent way to experience the smartphone from Micromax.

?Here are some Quick specs of Micromax Vdeo 3

Micromax Vdeo 3
  • Display- 5.00-inch
  • Camera- Front 2MP
  • Resolution- 720×1280 pixels
  • RAM 1GB
  • OS -Android 6.0?Marshmallow
  • Storage- 8GB
  • Rear Camera- 5MP
  • Battery Capacity- 2000mAh
  • Micromax Vdeo 3 has been priced at Rs. 5,749

Key Specifications and features of?Micromax Vdeo 4

Here are few specs of Micromax Vdeo 4 has same Display- 5.00-inch which has decent look. In addition it has camera- Front 2MP &?Rear Camera- 8MP also supports Resolution of ?720×1280 pixels. RAM 1GB and which is coming up with operating system of Android 6.0 and phone storage?8GB. Here’s the differecnce from which has decent way to experience the smartphone from Micromax. In addition Micromax Vdeo 4 &?Micromax Vdeo 3 is battery capacity which has bit More and? In terms of connectivity features, the the micromax mobile offers Wi-Fi and Bluetooth.

Micromax Vdeo 4

  • Display 5.00-inch
  • Processor 1.1GHz?Snapdragon 210 MSM8909
  • Front Camera 2-megapixel
  • Resolution 720×1280 pixels
  • RAM 1GB
  • OS Android 6.0?Marshmallow
  • Storage 8GB?microSD card (up to 32GB).
  • Rear Camera 8-megapixel
  • Battery Capacity 4000mAh
  • Micromax Vdeo 4 has been priced at Rs. 6,249

Heighlights of?Micromax Vdeo 3 & 4

  • Regarding availability alternatives, the Vdeo 4 offers a 3.5mm earphone jack
  • USB 2.0, GPS, Wi-Fi, and Bluetooth.
  • Closeness sensor, accelerometer, encompassing light sensor, and a gravity sensor.
  • Micromax Vdeo 3 & 4 preloaded with Google Duo app for video-calling.
  • Micromax?Vdeo 3 and Vdeo 4 has 4G VoLTE ?and supports?Reliance Jio SIM cards.

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Xiaomi Redmi Note 4 available in Flipkart Exclusive From January 19

About?Xiaomi Redmi Note4

Chinese smartphone maker is ready to launch the Xiaomi Redmi Note 4 is coming to India in January 2017?. In addition the dates has not yet revealed.In addition as we all know Redmi Note 4??has already been?launched in China in month of August 2016.In this year mi company has sold about 2.3 million units, as records from the?report of MakTech, Xiaomi Redmi Note 4 has?successful smartphone devices in India?s online?markets.

Xiaomi Redmi Note 4 in India on January 19 in Flipkart Excluisive

Moreover the mi Note 4 price in India has best to the customers which can be streamlined as budget smartphone in the indian online channels. The Xiaomi Redmi Note 4 is almost similar to Redmi Note 3 in maintaining of body design and features ,which includes a Type-C USB port channel. The processor Snapdragon from Qualcomm,?Xiaomi still is not allowed to sell mediatek?devices in India, due to ban order fro the court.Here is another product from Redmi Note 4 advance device in China which is designed to be budget smartphone in the?mid-range market.

xiaomi_redmi_note_4

Key Features and Specifications

  • It includes a complete metal uni body and powerful Mi 4100 mAh battery.
  • Xiaomi Redmi Note 4 has come with dual storage options ? 2GB RAM+16GB ROM & 3GB RAM+64GB ROM
  • Mi4 has? 5.5-inch full High Definition display (1920?1080 pixels) with 2.1 GHz 10-core Helio X20 processor 2.5D glass design.
  • Storage can be expandable up to 128GB via micro SD card. Redmi Note runs on latest operating system i.e, MIUI 8.
  • Mi4 has 13MP primary camera, & 5MP front camera holds a fingerprint scanner at backside, which has a advance feature to purchase the products and to view the files which are private, MI4 is coming in three color variants.

Xiaomi Redmi Note 4

Xiaomi Redmi Note 4 Price

Mi price in India starts at 899 yuan for the 2GB RAM and 1199 yuan (Rs 12,081 approx). It is still under discussion, yet the final price may vary there is no clear information. On the storage part and other accessories later on the confirmation has to come from the company officials. In addition the device?is set to launch at price of Rs 11,999 . However compete with the top devices which has best market in the India. Xiaomi Redmi Note 4 deals with the existing devices and boosts up sales in Indian markets. Check out more and get started and hold on https://www.flipkart.com/

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Top Upcoming Smartphones 2017 In India Features and Specs

Upcoming Smartphones 2017 In India

Best phones of CSE 2017 are offering fast performance with advance features and longer battery life. In addition the below devices has extra performance as per?to Qualcomm. In this below devices you can expect this processor of basic configurations as follows like 8GB of RAM, & 32GB of internal storage, big Quad-HD screens and class-leading cams.

Key Features of Upcoming Smartphones of 2017

Hey are some key Features of all below devices are common like Optical image stabilization plus, Dual LED, geo tagging, facial recognition, 3D front and back camera element, auto laser focus,wireless charging, rapid charging, waterproof, mini projector.

Now let us get into more detail of below devices

  • Apple iPhone 8
  • Samsung Galaxy S8
  • Samsung Galaxy Note 8
  • LG G6
  • HTC 11
  • OnePlus 4

Specifications & Features of Apple iPhone 8

Apple Iphone 8

  • Battery -Non-removable Li-Ion 3000 mAh battery.
  • Camera -Auto focus, Optical image stabilization, 3D-4K Resolution.
  • Camera ? Primary 16 MP & Front Facing 8 MP.
  • Colors – Three varients Silver/Space Grey/Gold/Rose Gold/Jet Black.
  • Key Signs-Display 5? ? 5.5? 4K screen OLED, Eye with Fingerprint Scanner.
  • Video- ?A2160p @ 30 fps, 1080p @ 60 fps, 720p @ 90 fps.
  • Storage – All four compatibles 32, 64, 128, 256 GB.
  • OS-?iOS 12, upgradable to iOS 12.3.2.
  • Price $1200 USD, 1069.38 Euro, 827.07 GBP.

Specifications & Features of Samsung Galaxy S8

Samsung Galaxy S8

  • Screen Display 5.2? 4K display with a 4096 x 2160 screen resolution
  • Battery -4200 mAh
  • Camera -HDR, auto laser focus- Primary?30 MP &?Front 9.0?MP
  • Colors- Black, blue, gold, and white.
  • Key Features- Supports Retina eye scanner, wireless charging and also for mini projector
  • Storage- In built 64 and 128 GB internal memory and expandable with dual micro SD cards
  • OS-?OS 2017
  • Processor -Snapdragon Qualcomm octa-core 3.2 GHz processor
  • RAM- 6 GB RAM
  • Price-$850 USD, 775 Euro
  • Release Date April 2017

Specifications & Features of Samsung Galaxy Note 8

  • Display- 8-Inch TFT LCD Display
  • OS- Android 4.1.2
  • Processor – 1.6 GHz A9 Quad-Core Processor
  • RAM- 2GB RAM
  • Connectivity – Wi-Fi &?Bluetooth 3.0
  • Camera- Primary 5MP Camera & 1.3 MP Front Facing.
  • Battery-4600 MAh Battery

Specifications & Features of LG G6

  • Display 5.6? 4K display 4096 x 2160 screen resolution
  • Camera -Primary?24 MP,?Front 7.0?MP
  • RAM- 5 GB RAM
  • Colors -Black, Blue, Copper, Gold, White
  • Processor -Snapdragon Qualcomm Octa-core 3.0 GHz processor
  • Key Features -Corning Gorilla Glass 4, 4G LTE, Bluetooth 5.0, fingerprint scanner, retina eye scanner,
  • Storage- 32, 64, and 128 GB internal memory and expandable to 128 GB with dual micro SD cards
  • OS-Android 6.0 Operating System
  • Battery -4200 mAh
  • Price- $750 USD, 688 Euro
  • Launch Date- Sep 2017

Specifications & Features of HTC 11

HTC 11

  • Display-5.5-inch QHD (2560 x 1440 pixels)
  • RAM-8 GB RAM
  • OS-Android OS, v7.0 (Nougat)
  • Processor-Qualcomm Snapdragon 835 Octa-Core Processor
  • Camera- Rear 12 MP & Front Facing 8MP
  • Battery Capacity- 3700 mAh battery with Quick Charge 4.0
  • Network Capabilit-y2G,3G,4G

Specifications & Features of OnePlus 4?

  • Display- 5.5 ? Display, Full HDBattery- 4000 mAh
  • Color-Black, blue, gold, and white
  • Camera ? Primary 16?MP & Front facing?8 Megapixels.
  • Storage-64 GB
  • OS- Android v7.0 (Nougat)
  • Processor- 3 GHz Quad Core
  • RAM- 8 GB
  • Release Date March 2017
  • Price $450 USD, 500 Euro

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Nokia 6 Android Smartphone CSE 2017 Launched Price, Specifications More

Nokia 6 Android Smartphone 2017

Nokia has revealed internal pipeline for upcoming smartphones. Yet, the greater indicate note here is that Nokia is back. Nokia is ready to create breakthrough in smartphone market. It is an awaiting moment for all the users . Nokia 6, it appears, would hit the market (yet, just in China) sooner than one would have foreseen. Firstly (HMD Global’s) has revealed first Android-based smartphone?i.e Nokia 6, and it which is readily available in the market, and market officials has announced a budget smartphone which will be in the market for purchasing , from the mid of CSE 2017. ?Moreover Nokia 6 is officially announced about the price in china and India markets and it is ready to hit Indian markets at Rs 16,739. Nokia 6 officials has confirmed to relaunch the android smartphone industry market in ?CSE 2017. Below we have listed out the key features and more.

Key Features and Specifications

  • Includes complete Metal-clad Android phone and powerful 3000 mAh battery.
  • Nokia 6 has accompanied with storage options ?4GB RAM & 64GB ROM
  • Display has? 5.5-inch full High Definition display ,Qualcomm Snapdragon 430 processor.
  • Phase Detection Auto focus and dual LED streak.
  • Storage can be expandable up to 128GB via micro SD card.
  • Camera 16MP primary camera & 8MP front holds a fingerprint scanner.
  • Nokia 6 is an all-metal cell phone – bragging of 6000 arrangement aluminum.
  • Chamfered edges and bended 2.5D Gorilla glass on the front.
  • Supports finger impression scanner, with touch-based keys.
  • Standard Micro USB 2.0 port (and no USB C-Type) furthermore bolsters USB OTG.
  • Nokia 6 runs Android Nougat programming and 4G enabled.

Nokia 6

In addition the company Finland-based HMD will make Nokia’s up and for up coming telephones for a long time consecutively and it is ready to sustain in the global market like wise other similar organization. Now HMD is ready to contribute firstly 500 million Euros in advertising for first three years and later broad casting and offering all Nokia-marked smart phones.

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