by Marian Stofka @ www.edn.com: The bq25504 from Texas Instruments is a good candidate to become a milestone on the road to micro-power management and energy harvesting. A prominent feature of this IC is its ability to start up at a supply voltage as low as 330 mV typically, and 450...

Melexis' next-generation monolithic magnetic sensor family, consisting of the MLX90371 and MLX90372, provides robust absolute position sensing for various applications. By Julien Happich @ eenewseurope.com: Both devices consist of a Triaxis Hall magnetic front end, an analog to digital...

Optocouplers – Industrial Fiber – Encoders New Packages/ More Features/ Better Performance Get the benefit of enhanced system design through the newest features at the same or lower price with a longer-term assurance of supply. ACPL-352J: This 5A gate drive optocoupler is a...

Hi guys, welcome to this tutorial. Today, we will build an mp3 player using an Arduino and the DFPlayer mini MP3 module. The DFplayer mini is a small, low-cost mp3 module with a simplified audio output that can be connected directly to a speaker or an earphone jack. The module can...

The RK3399 processor from Rockchip has seen adoption in some boards in recent times. The Rockchip RK3399 processor has been deployed on boards like the Odroid-N1 board, Firefly's Firefly-RK3399, the Theobroma RK3399-Q7 SoM, and more recently the Shenzhen Xunlong's Orange Pi...

Our friends on educ8s.tv uploaded a new version of their FM Radio on breadboard based on TEA5767 module. I have built a new, improved version of the FM radio project, which resolves the issues we had in the previous version of the project. The sound quality the project now offers is...

Check out this DIY 200Khz oscilloscope sell on Tindie.com If you’d rather spend even less money—but more time—then there are DIY kits that cost even less. One example is the DSO Shell Oscilloscope kit, listed for around $35. The device features a 12-bit sampling resolution, and a...

Simplified Arduino board targets Education. The project is live at kickstarter and has 22 days to go. Students can skip the hassle of constructing the basic electronic circuit which is boring and time consuming. Although it is equally important for them to learn about basic...