![Disco Lights with IC555 Disco Lights with IC555](https://www.electronics-lab.com/wp-content/uploads/2015/11/Disco-light-555.gif.pagespeed.ce_.qV6MdjBOkF-e1446802575634.gif)
Disco Lights with IC555
This is a simple 555 timer IC circuit that is able to power two strings of LEDs alternative. Disco lights are mostly used in decoration made with colourful LEDs. For begginners, this is a compact circuit using a single chip IC. IC555 is connected here to form a multivibrator. The...
Continue Reading![Choosing $1 sound card for DC-capable low speed oscilloscope Choosing $1 sound card for DC-capable low speed oscilloscope](https://www.electronics-lab.com/wp-content/uploads/2015/11/miniscope_v4.png)
Choosing $1 sound card for DC-capable low speed oscilloscope
Tomasz Ostrowski has tested some cheap USB sound cards as low speed oscilloscope interfaces/recorders. He writes: I've tested some cheap ($1) USB sound cards for DC sampling capability, in particular for using as low speed oscilloscope/signal recorder. Some...
Continue Reading![CCS811 – Digital CMOS gas sensors for wearables & IoT CCS811 – Digital CMOS gas sensors for wearables & IoT](https://www.electronics-lab.com/wp-content/uploads/2015/11/151105edne-cambridgecmos.png)
CCS811 – Digital CMOS gas sensors for wearables & IoT
by Graham Prophet @ edn-europe.com: Cambridge CMOS Sensors is a semiconductor company that designs gas sensor solutions to monitor the local environment; its CCS811 is the first digital product in its CCS800 product family of ultra-low power miniature gas sensors. The CCS811...
Continue Reading![Using The Arduino Serial Plotter Using The Arduino Serial Plotter](https://www.electronics-lab.com/wp-content/uploads/2015/11/using-the-arduino-serial-plotter-1024x576.jpg)
Using The Arduino Serial Plotter
idogendel.com introduces us the new serial plotter feature of Aruino IDE 1.6.6: A little unofficial introduction to the Serial Plotter, introduced in the Arduino IDE version 1.6.6. This is a very basic and easy-to-use tool, that allows us to set up quick visualizations of numeric...
Continue Reading![Ovenized crystal oscillator frequency stability Ovenized crystal oscillator frequency stability](https://www.electronics-lab.com/wp-content/uploads/2015/11/alldata_20062015.png)
Ovenized crystal oscillator frequency stability
E. Schrama @ ejo60.wordpress.com uses an Arduino and a DCF77 time signal receiver to test the stability of an ovenized crystal oscillator running at 1 MHz. In this experiment I will use an Arduino and a DCF77 time signal radio receiver to measure the stability of an ovenized crystal...
Continue Reading![Non-Contact Body Temperature Meter Non-Contact Body Temperature Meter](https://www.electronics-lab.com/wp-content/uploads/2015/11/body_temperature.png)
Non-Contact Body Temperature Meter
One of the most commonly used medical instruments nowadays is the thermometer. The thermometer is used to monitor or measure the body temperature of a sick person. The idea of creating a thermometer started from a device called thermoscope, a thermometer without a scale. Several...
Continue Reading![ARPM: Another Raspberry Pi Microscope ARPM: Another Raspberry Pi Microscope](https://www.electronics-lab.com/wp-content/uploads/2015/11/FPS7O93IGIBLVZ8.MEDIUM.jpg)
ARPM: Another Raspberry Pi Microscope
Dr H @ instructables.com build a Raspberry Pi based microscope using a WaveShare B-camera and plexiglass parts. He writes: Based on the RPI camera and LEGO brick-based microscope I presented earlier ( A-Raspberry-Pi-camera-based-microscope-built-from- LEGO ) I have constructed a...
Continue Reading![DIY Sunlight Simulator – Light Therapy Light DIY Sunlight Simulator – Light Therapy Light](https://www.electronics-lab.com/wp-content/uploads/2015/11/DIY-Sunlight-Simulator-Light-Therapy-Light-banner-1038x570-1024x562.jpg)
DIY Sunlight Simulator – Light Therapy Light
Luke Skaff @ lukeskaff.com decided to build a DIY Sunlight Simulator using wide spectrum filament lamp to be used as light therapy for Seasonal Affective Disorder. During the process he checks for various kinds of lamps and examines their light spectrum. He writes: Sunlight...
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