DIY Home Energy Meter


https://www.electronics-lab.com/diy-home-energy-meter/

A new tutorial by The DIY Life is for building a home energy meter that provides information about power consumption and cost estimates for the month. Using Arduino and some other components you can build your own energy meter that measure the supply current to your home through a CT (current transformer), current, power, maximum […]

Arduino Installing and Using Libraries


https://www.electronics-lab.com/arduino-installing-using-libraries/

runtimeprojects.com has a tutorial on how to install and use Arduino libraries. Libraries are an essential part in the Arduino world. They are what makes Arduino so easy to use. Libraries are written to encapsulate complex functions and expose them as simple function calls to the user. For example to switch a pixel on and […]

ESP8266 sending data to Google spreadsheets


https://www.electronics-lab.com/esp8266-sending-data-google-spreadsheets/

Although there are so many cloud IoT platforms (ThingSpeak, thinger.io, TESPA.io, Xively, … ) available in the market, each offering APIs and tools to allow the Arduino and ESP8266 users to directly upload their sensor readings online for real-time visualization and global access, Google Drive is still my favorite choice for posting sensor data online as […]

DIY Pixel Art Frame Using Raspberry Pi Zero


https://www.electronics-lab.com/diy-pixel-art-frame-using-raspberry-pi-zero/

Have you ever wanted to get an interesting art frame? That can display and flip photos, scroll text, show the weather or display social media notifications? Frederick Vandenbosch’s new tutorial is for building an art frame using 32×32 LED matrix and Raspberry Pi Zero. Electronics used in this project Raspberry Pi Zero 32×32 RGB LED […]

Temperature sensors accurate to -40°C


https://www.electronics-lab.com/temperature-sensors-accurate-40c/

by Denis Meyer @ elektormagazine.com: With a local (on chip) precision of ±1°C over a range of temperature from –40°C to +65°C, and a remote (up to 3 external sensors) precision of ±1°C extended up to +125°C, the MCP990X digital temperature sensor offers an economic and flexible solution for external of industrial environments. Temperature sensors […]

A health patch a day keeps the doctor away


https://www.electronics-lab.com/health-patch-day-keeps-doctor-away/

Belgian Imec and its subsidiary Holst Centre have developed a health patch which tracks physical and cardiac activity while monitoring bioelectrical impedance. The technology is up for licensing. by Jan Buiting @ elektormagazine.com The health industry has recognized the challenges and solutions, with analysts predicting that the value of the global mobile health market is […]

Ambient light sensor for heart rate sensing in wearables


https://www.electronics-lab.com/ambient-light-sensor-heart-rate-sensing-wearables/

Everlight (New Taipei City, Taiwan) has introduced an ambient light sensor that operates at 550nm with a very low signal calculation failure rate and a high current efficiency. An anticipated application for this device is heart rate signal detection in wearable electronics for the health and fitness sector. by Graham Prophet @ edn-europe.com: Based on […]

Chemical Wireless Communication Without Electronics


https://www.electronics-lab.com/chemical-wireless-communication-without-electronics/

Researchers at Stanford University have just invented a revolutionary way of communication. They are replacing the conventional way of wiring, wireless, radio and Bluetooth connectivity using chemicals that can be found in every house. Nariman Farsad, now a postdoctoral fellow at Stanford, had built the first ever experimental chemical texting system in York University, which […]

Arduino-Based VU Meter


https://www.electronics-lab.com/arduino-based-vu-meter/

The voice unit (VU) meter is a device that displays a representation of the signal level in audio equipment. It is used in some consumer audio equipment for utilitarian purposes such as in recording devices or for aesthetics like playback devices. The original VU meter is a passive electromechanical device, but using a few LEDs […]

Atmel ATtiny417/814/816/817 Include Core Independent Peripherals (CIPs)


https://www.electronics-lab.com/atmel-attiny-include-cips/

Atmel tinyAVR microcontrollers are optimized for applications that require performance, power efficiency and ease of use in a small package. All tinyAVR devices are based on the same architecture with other AVR devices. The integrated ADC, DAC, EEPROM memory and brown-out detector let you build applications without adding external components. The tinyAVR also offers Flash Memory for […]