![Short circuit tracer uses low power Short circuit tracer uses low power](https://www.electronics-lab.com/wp-content/uploads/2016/09/DI5471sch.png)
Short circuit tracer uses low power
Dan Meeks shares his design idea on edn.com: This Design Idea presents a low power short circuit finder that capitalizes on the ear’s sensitivity to changes in frequency. The heart of the circuit is a voltage-to-frequency converter (based on Linear Tech’s AN45, Figure 13, by Jim...
Continue Reading![L293D Motor Direction Controller L293D Motor Direction Controller](https://www.electronics-lab.com/wp-content/uploads/2016/09/F0UIIDBIT9PPHRC.MEDIUM.jpg)
L293D Motor Direction Controller
baelza.bubba @ instructables.com show us how to build a DC motor direction controller using L293D. I designed this DC Motor Direction Controller so that I could give direction control to DC motors that I am building into mini tools (drill, lathe, table saw, solder smoke extractor,...
Continue Reading![Convert $2 LED Lamp to $50 Smart Lamp Convert $2 LED Lamp to $50 Smart Lamp](https://www.electronics-lab.com/wp-content/uploads/2016/09/FEAYPKCITCH2RY1.MEDIUM.jpg)
Convert $2 LED Lamp to $50 Smart Lamp
taifur @ instructables.com show us how to convert a simple LED lamp to a smart one that can be controlled using a smartphone. A smart bulb is an internet or Bluetooth-capable LED light bulb that allows lighting to be customized, scheduled and controlled remotely. Smart bulbs are...
Continue Reading![Laser for sending music over a distance Laser for sending music over a distance](https://www.electronics-lab.com/wp-content/uploads/2016/09/laser-for-sending-music-over-a-d-1024x576.jpg)
Laser for sending music over a distance
Light is a very popular means of communication. Today, optical fiber communication is the backbone of telecommunication and internet. Light is guided through a fiber optic cable in such systems to achieve low-attenuation and high speed data transmission. Question is: Is it possible to use...
Continue Reading![DIY USB 5V Solar Power Bank DIY USB 5V Solar Power Bank](https://www.electronics-lab.com/wp-content/uploads/2016/09/usb-5V-solar-power-banktop-view.jpg)
DIY USB 5V Solar Power Bank
Abdulgafur tipped us with his latest project, a 5V solar powered power bank. The circuit consists of two stages, the first stage is the battery charger stage based on MCP73831 and the second stage is the step up converter based on LT1302-5 which converts the battery voltage to...
Continue Reading![LipSync – An Assistive Device For Smartphone Use LipSync – An Assistive Device For Smartphone Use](https://www.electronics-lab.com/wp-content/uploads/2016/09/LipSync2-832x1024.jpg)
LipSync – An Assistive Device For Smartphone Use
Smartphones and mobile devices are diving deeply in our lives and make a lot of things much easier than before. So, having a smartphone or a mobile device became one of life's necessities for everybody. But unfortunately, there is still a big challenge for people with limited use of their...
Continue Reading![Save Your Food with Arduino Freezer Temperature Sensor Save Your Food with Arduino Freezer Temperature Sensor](https://www.electronics-lab.com/wp-content/uploads/2016/09/Freez_project.png)
Save Your Food with Arduino Freezer Temperature Sensor
“Arduino Freezer Temperature Sensor” is an Arduino based project which works as an indicator to notify you when the freezer isn’t work properly. This project was created by “John Saunders”. To make this project, you will need these parts: Arduino Nano, most of other...
Continue Reading![Rubidium Disciplined Atomic Clock Rubidium Disciplined Atomic Clock](https://www.electronics-lab.com/wp-content/uploads/2016/09/atomic_clock.png)
Rubidium Disciplined Atomic Clock
Cameron Meredith build a real-time-clock module controlled by a rubidium frequency standard, and since it also includes a GPS clock he can track local time dilation effects by comparing the two. An I2C multiplexer board allows for more than one RTC module (Since these have a hard...
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