DIY Sound Laser : Big Speakers Aren’t Required for Pinpoint Sound

Create a focused speaker so your music targets only the listener. That demodulates at 40 kilohertz, with an H-bridge and ...
CNX Software

Hiwonder WonderLLM – An ESP32-S3 smart chat module with 2-inch touch display, 2MP camera, and dedicated voice chip

Hiwonder has introduced the WonderLLM, an ESP32-S3-based smart chat module that combines a 2MP camera, a 2.0-inch touch ...
IEEE

Ultrasonic Bonding of AlCu Wire – An Advance to Reliable Interconnects for Power Modules

Abstract: Aluminum cladded copper core (AlCu) composite wire is investigated as an advanced interconnect material for power modules, which combines aluminium’s bonding compatibility with copper’s ...
SciELO

DESIGN OF A SINGLE SOWING DEPTH MEASUREMENT SYSTEM FOR AN AIR SUCTION CORN PLANTER

Precision sowing requires that the seeds be sown to a sowing depth suitable for seed germination according to the accurate sowing amount and appropriate seed spacing ( Zhai et al., 2014). The ...
Frontiers

Virtual reality–based assessment of visuo-vestibular integration in vestibular migraine and migraine: static and dynamic visual vertical and rod-and-frame tests

Background: Vestibular migraine (VM) is the most common cause of episodic vertigo, yet its diagnostic markers remain limited. Perception of verticality, measured via static subjective visual vertical ...
IEEE

Development of copper-copper bonding by ultrasonic welding for IGBT modules

Abstract: In this paper, we present the copper-copper bonding technique by ultrasonic welding for the copper terminals of large current, high reliability IGBT modules. Investigated topics are joint ...