| June 2021 |
 | Fun Stuff: A Few Facts About Deep Learning In A Web Browser |  | Simple Millivolt Meter Using Arduino |  | DC Motor RPM Display On Smartphone Using Arduino |  | LED Light For Bikes To Improve Visibility |  | Tricolour LED Nameplate With Arduino |  | Animal Classification With RPi Camera For Survey And Monitoring |  | GPS Based Dot-Matrix Display Clock |  | DC Motor Bidirectional Control With TV Remote |
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| May 2021 |
 | Simple 5W Mono Audio Amplifier |  | Milliamp Meter For 1mA To 100mA |  | On/Off Remote Control For Two Appliances |  | Arduino Album That Shows Photographs One By One Automatically |  | Simple Air-Quality And Gas Monitor With Notifications On Phone And Email |  | Crystal-Controlled Shortwave Transmitter |  | Rail Track Temperature Monitoring System |
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| April 2021 |
 | FUN STUFF: Home Automation And Security Using IoT Devices |  | FUN STUFF: Have Some Fun Doing These Useful Home IoT Projects With Raspberry Pi |  | Wireless Sensor Node(s) And Remote Data Receiver Using Arduino |  | Touchless Doorbell For The Post-Covid World |  | Power Bank Based Linear Regulated DC Power Supply |  | Simple Low-Cost White Noise Generator |  | Simple Shortwave Voice Transmitter |  | Arduino Based Wireless Visitors Counter |  | Voice Command Controlled Drone |
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| March 2021 |
 | The Forgotten Crystal Radio � Revisited |  | Fast-Moving Drone For Public Announcements |  | Dual Sharing Of Real Time Clock � An Example |  | Group Messenger |  | Simple 5W Stereo Amplifier For Noise-Free Music |  | Rotating-Wheel Led Lights For Decoration At Functions |
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| February 2021 |
 | Automated Washroom Light Using IR Sensors |  | Smart Drone With Real-Time Face Recognition |  | Android Application For Multi-Sensor Data Monitoring |  | Little LiFePO4 Battery Charger |  | Appliances Control With Yoda Module And Arduino |  | Smart Agriculture Irrigation System |  | Creating A Very Basic Chatbot In Python On Telegram Messenger |
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| December 2021 |
 | Contactless Smart Bin |  | Automatic School Bell That Also Announces Alert Messages |  | Automatic Certificate Generation Using Python |  | Control TV With Alexa IoT TV Controller |  | Taxi Fare Meter |  | Use Your Smartphone As A Smart Remote For TV And Set-top Box |
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