Adjustable constant current source
https://www.electronics-lab.com/adjustable-constant-current-source/
Dilshan Jayakody has published a new build: The current source introduced in this article is capable to handle current up to 6A with maximum input voltage of 50V. This is an operational amplifier based adjustable current source and it uses LM358 in a general voltage follower configuration. To handle large currents we use four 0.1Ω […]
Easy IoT Weather Station With Multiple Sensors
https://www.electronics-lab.com/easy-iot-weather-station-multiple-sensors-2/
Ingenerare @ instructables.com show us an easy to build IoT weather station able to measure temperature, dew point, humidity, pressure, light index, and rain. He writes: A weather station is a fun project that teaches you a ton about electronics with the added benefit being an actually useful little device. The project requires a bunch […]
LTC7820 – Fixed Ratio High Power Inductorless (Charge Pump) DC/DC Controller
https://www.electronics-lab.com/ltc7820-fixed-ratio-high-power-inductorless-charge-pump-dcdc-controller/
The LTC7820 is a fixed ratio high voltage high power switched capacitor/charge pump controller. The device includes four N-channel MOSFET gate drivers to drive external power MOSFETs in voltage divider, doubler or inverter configurations. The device achieves a 2:1 stepdown ratio from an input voltage as high as 72V, a 1:2 step-up ratio from an […]
SK Hynix Introduces Industry’s Highest 72-Layer 3D NAND Flash
https://www.electronics-lab.com/sk-hynix-introduces-industrys-highest-72-layer-3d-nand-flash/
SK Hynix Incorporated introduced the world’s first 72-Layer 256Gb (Gigabit) 3D (Three-Dimensional) NAND Flash based on its TLC (Triple-Level Cell) arrays and own technologies. This company also launched 6-Layer 128Gb 3D NAND chips in April 2016 and has been mass producing 48-Layer 256Gb 3D NAND chips since November 2016. Within 5 months the researchers in SK […]
PandwaRF, A Portable Radio Analysis Tool
https://www.electronics-lab.com/pandwarf-portable-radio-analysis-tool/
PandwaRF, is a portable low-power RF device that captures, analyses and re-transmits RF signals via an Android device or a Linux PC. It uses Bluetooth (BLE) or USB connection to transmit data in a simple and fast way, comes in the form of a controllable housing from a smartphone or a computer. This pocket-size device operates at sub-1 GHz […]
Affordable DNA Detection Using A Smartphone
https://www.electronics-lab.com/affordable-dna-detection-using-smartphone/
Researchers at UCLA have developed an improved method to detect the presence of DNA biomarkers of disease that is compatible with use outside of a hospital or lab setting. The new technique leverages the sensors and optics of cellphones to read light produced by a new detector dye mixture that reports the presence of DNA […]
DI2C -The Differential Version of I2C
https://www.electronics-lab.com/di2c-differential-version-i2c/
In serial interface world, there are differential and non-differential protocols. The most famous one of differential interfaces is USB besides HDMI and others, while I2C is a non-differential one. Joshua Vasquez from Hackaday decided to use DI2C (differential version of I2C) to communicate with a string of BNO055 sensor boards (a smart 9-DOF sensor with […]
Helios4 – The World’s 1st Open Source NAS
https://www.electronics-lab.com/helios4-worlds-1st-open-source-nas/
Build your own PrivateCloud: Store music & movies, share photo albums with friends, protect your files and never fear losing data again. Helios4 is a Network Attached Storage or NAS – a smart box with up to 4 hard drives designed to store Family Photos, Music playlists, and Movie collections by connecting to your Home […]
Data-rich 3.5mm jack vies with USB-C for headsets
https://www.electronics-lab.com/data-rich-3-5mm-jack-vies-usb-c-headsets/
Horst Gether @ edn.com writes about how the simple and well established 3.5mm jack can be used for data-rich communication between headset and mobile device. The 3.5mm phone jack is a well-established standard in the audio industry and continues to get strong support from users in the market. Originally invented in the 19th century for […]
6V Lead Acid Battery Charger using BQ24450
https://www.electronics-lab.com/6v-lead-acid-battery-charger-using-bq24450/
6V Lead acid (SLA) battery charger project is based on BQ24450 IC from Texas instruments. This charger project takes all the guesswork out of charging and maintaining your battery, no matter what season it is. Whether you have a Bike, Robot, RC Car, Truck, Boat, RV, Emergency Light, or any other vehicle with a 6v […]