Abstract: In this letter, a wideband dual-beam patch antenna and its array with compact size and high efficiency are proposed, analyzed, and measured. The antenna geometry and operational principle ...

Abstract: In this communication, a dual-beam substrate-integrated waveguide (SIW) leaky wave antenna (LWA) with stopband suppression based on radiation of −1st and −2nd spatial harmonics (SHs) is ...

Read, Write and Delete Messages (with I2C Keyboard or Phone). Asking Weather Report. Listening to other Trackers arround. Changing Display Eco Mode (turn off after 4 seg) and Screen Brightness.

The LilyGo T-Display P4 is a pocket-sized device with a 4.1 inch display that looks like a smartphone from the front. But turn it sideways and it’s clear that this chunky handheld is more of a dev kit ...

Overview Energy emerged from stealth today with a plan to use the world’s solar panels as nighttime collectors of power beamed down from space. The startup plans to use large solar arrays in ...