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2023-11-30

Installing the NTFY Push Notification Server on the Raspberry Pi

Originally published on pimylifeup.com by Emmet on 1 November 2023 NTFY is a self-hosted push notification server that enables users to send notifications to their phones or through its web app. This tutorial guides users through the process of setting up NTFY on a Raspberry Pi, providing both ARM7 and […]

2023-11-28

Tiny Speaker Busts Past Sound Limits with Ultrasound

Feeds sensors, Tech 0

Originally published on hackaday.com by Donald Papp on 27 November 2023 A groundbreaking development in speaker technology introduces the Cypress, heralded as the first-ever 140 dB, full-range MEMS (Micro-Electro-Mechanical Systems) speaker. Unlike conventional speakers that rely on moving air to generate sound, the Cypress employs ultrasonic frequencies to create pressure, […]