This tutorial will show you how to make a dark activated led night light using a operational amplifier.
Click on video below for full tutorial.
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- Arduino mad scientist laboratory EP #3 kitty cat laser tower toy
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- Arduino Mad Scientist Laboratory EP #5 Bluetooth Controlled 110V AC Power Outlet
- Arduino Mad Scientist Laboratory EP#8 TEA5767 FM radio with LCD, Rotary Encoder, Presets & 30w AMP
- Arduino Mad Scientist Laboratory EP #7 RFID keyless entry
- Arduino Mad Scientist Laboratory EP #9 Bluetooth controlled pan and tilt platform
- Arduino Mad Scientist Laboratory EP#10: GAS leak finder (MQ-6 flammable gas sensor)
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- How to use ARRAYS in your Arduino sketches
- How to use Rotary Encoders with your Arduino
- Learn to Build Android apps
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- Learning Arduino for beginners EP #35 keypads and the password Library
- Learning Arduino for beginners EP#13 wired serial communication between two Arduino boards
- Learning Arduino for beginners EP#20 Android Bluetooth control
- learning Arduino for beginners EP#21 DHT11 and DHT22 temp and humidity sensor
- learning Arduino for beginners EP#22 DHT11 temp and humidity on LCD display
- Learning Arduino for beginners EP#23 send multiple sensor readings to Android device
- Learning Arduino for beginners EP#25 laser trip wire alarm
- Learning Arduino for beginners EP#26 controlling DC motors with a H-Bridge
- Learning Arduino for beginners EP#27 using rotary encoders
- Learning Arduino for beginners EP#28 stepper Motors
- Learning Arduino for beginners EP#30 RFID readers
- Learning Arduino for beginners EP#31 PIR sensors
- Learning Arduino for beginners EP#32 soil moisture sensors
- Learning Arduino for beginners EP#33 max7219 LED Matrix display
- Learning Arduino for beginners EP#34 using processing with your PC to control your Arduino
- Learning Arduino for beginners EP#37 photo interrupters
- Learning Arduino for beginners EP#38 ultrasonic sensors (HC-SR04)
- Learning Arduino for beginners EP#39 logic lvl converters (using 3.3V logic devices with 5V Arduino)
- Learning ARDUINO for Beginners EP#4 Analog Inputs
- Learning ARDUINO for Beginners EP#5 Analog Outputs (PWM)
- Learning ARDUINO for Beginners EP#8 while loop and pull up resistors
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- Pembrook cross cut paper shredder unboxing, review and test
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- ARDUINO projects
- ANDROID Bluetooth controlled ARDUINO universal infrared Remote control
- ARDUINO Beginners Project : Sound Activated Alarm
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- ARDUINO Bluetooth Servo Control With My New ANDROID APP
- ARDUINO Clapper, sound activated light or relay
- ARDUINO Countdown Timer with alarm (kitchen timer)
- ARDUINO Flame Detector Fire Alarm
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- ARDUINO laser tripwire burglar alarm
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- ARDUINO Ultrasonic Distance or burglar alarm Trip Wire tutorial (HC-SR04)
- ARDUINO use DS3231 clock’s Alarm to activate any infrared controllable devise
- ARDUINO, How to blink a LED without using delays in your sketch
- ARDUINO, How To Bluetooth Control Up To 12 Relays With My Free APP
- Bipolar stepper motor controlled with rotary encoder
- Convert a old scanner into a Camera Slider..
- DFPlayer Mini MP3 ARDUINO Bluetooth controlled Fart Machine
- High Low temputure and humidity controll box build tutorial
- How to amplify your ARDUINO tone’s the easy way
- How to Bluetooth Control ARDUINO PWM Pins (pulse with modulation)
- How to Bluetooth Control your Garage Door with a ARDUINO and Smart Phone
- How to Bluetooth control your garden hose
- How To Build A ARDUINO Bluetooth Joystick to control your robot Part 1
- How to build a ARDUINO controlled low temperature alarm with optional relay control
- How to build a ARDUINO controlled window or door alarm
- How To Build A Bluetooth Camera Shutter Release Trigger Controlled by your Smart Phone or Tablet
- How to build a Bluetooth controlled Photogate for high Speed photography
- How to build a flame sensor for your ARDUINO, Raspberry PI or other Microcontroller
- How to build a wireless Bluetooth weather station (Arduino)
- How To Control 2 ARDUINO Boards At The Same Time With MIT App Inventor
- How to extend your USB cable up to a 100ft +
- How To Get Your ARDUINO Boards And Parts For FREE
- How to make a ARDUINO controlled RFID keyless entry door lock
- How to make a basic 2 wheel drive Arduino Bluetooth controlled robot
- How to make a capacitive touch sensor switch out of anything metal using an Arduino
- How to make a LED simulate candle light
- How to make custom parts in Fritzing the quick and easy way
- How to make professional looking schematics of your electronics project for free
- How To Make Two ARDUINO Boards Bluetooth Communicate With Each Other
- How To Make Two ARDUINO Microcontrollers Talk To Each Other
- How to MIT APP INVENTOR 2 Make a Bluetooth Connection Screen
- How to power your ARDUINO project with a L7805 voltage regulator
- How to properly connect your HC-05 and HC-06 bluetooth board to your ARDUINO
- How To Receive Multiple Sensor Readings From Your ARDUINO Into Your MIT APP INVENTOR 2 APP
- How To send Text from android to a ARDUINO lcd screen
- How to set up and use a 1602 I2C serial LCD with your ARDUINO.
- How to set up and use a DHT11 or DHT22 with a ARDUINO board & LCD screen
- How To Set Up And Use The DFPlayer Mini MP3 Player
- How to use a RC transmitter and receiver with your arduino (Robot, Drone)
- How to use A transistior with your ARDUINO Board as a switch
- How to use a USB mouse to contol servos with a ARDUINO board
- How to use analog meter gauges with your ARDUINO project
- How to use any relay with your arduino the safe way
- How to use photo interrupters with your ARDUINO
- Isolating circuits from your arduino with optocouplers
- MIT App Inventor 2 How to AUTO Connect a Bluetooth Devise
- NRF24L01 ARDUINO RC Joystick
- The correct way to connect a RC522 (MFRC522) RFID reader to your ARDUINO
- The super easy and simple way to rename your HC-06 Bluetooth Board
- USB Digital Microscope for circuit board inspection and coin roll hunting Review and test
- Use any OLD Infrared Remote control With Your arduino
- Using Logic Gates with ARDUINO pt1. The NOT Gate
- Will adding a external antenna to your HC-05 and HC-06 increase its range
- Yelling and screaming OPERATION game modification
- ARDUINO parts
- Other Projects
- DIY adapter to run 9 – 18 volt cordless power tools off a car battery, power Supply or charger
- How to add a 12 volt car accessory plug to your battery charger
- How to Build a Motion Activated Night Light
- How to control a relay with a PIR motion sensor
- How to make a handheld USB powered foam cutter out of PVC tubing for under $5
- How to make a PVC tablet or smartphone holder for a tripod or light stand
- How to make simple and easy to use photography backdrop clips for under $0.05 each
- How To Use A OP Amp to Make A Dark Activated Night Light
- JQ6500 MP3 player basic setup and how to upload MP3’s to it
- Rotary Encoder controlled Digital Potentiometer (X9C103)
- Simple FOX hunting HT Attenuator
- simple ham radio mic preamp for a HT
- tape measure fox hunting beam antenna for HAM radio
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