N-gated Hacker NewsMay 6
Wow, a #groundbreaking revelation: #sensors that don't need batteries! Such innovation! 馃専 Next, they'll tell us they can solve world hunger by skipping meals. 馃檮馃攱
https://coe.gatech.edu/news/2026/04/batteries-not-included-or-required-these-smart-home-sensors #innovation #batteryless #technology #humor #HackerNews #ngated
Batteries Not Included, or Required, for These Smart Home Sensors

Engineering and computing researchers create simple metal tags with unique ultrasonic fingerprints to detect door openings and other movements.

Hacker NewsMay 6

Batteries Not Included, or Required, for These Smart Home Sensors

https://coe.gatech.edu/news/2026/04/batteries-not-included-or-required-these-smart-home-sensors

#HackerNews #smartHome #sensors #innovation #techNews #energyEfficiency #batteryless

Batteries Not Included, or Required, for These Smart Home Sensors

Engineering and computing researchers create simple metal tags with unique ultrasonic fingerprints to detect door openings and other movements.

Sebastian B眉ttrich @ ITUOct 2, 2025

When life gives you #lemons, power #IoT devices with it.

"Actually, the grapefruit continued to provide power, but it started to smell."

https://www.qoitech.com/blog/potato-vs-grapefruit-which-makes-the-best-battery/?mc_cid=35d72ea172

#potato #energyharvesting #batteryless #nobattery #lowpower

Potato vs Grapefruit: Which makes the best battery? - Qoitech

From lemons to ambient IoT: We test potato battery vs. grapefruit, measuring every microamp with Otii to see which can power a device.

Qoitech
Jasper VathorstDec 18, 2022
A flickering candle based on a 30F Lithium Ion Capacitor instead of a primary cell. This one never needs battery replacement. #batteryless
馃懡 Lunovox Heavenfinder馃浉Sep 28, 2021

Construa seu pr贸prio aparelho eletr么nico sem bateria

Agora qualquer interessado pode converter seus aparelhos ou construir novos dispositivos sem baterias.

No ano passado, engenheiros de computa莽茫o das universidades Northwestern (EUA) e Delft (Pa铆ses Baixos) apresentaram um antigo Game Boy que funciona sem bateria e sem conex茫o com a rede el茅trica.

https://www.inovacaotecnologica.com.br/noticias/noticia.php?artigo=faca-voce-mesmo-construa-seu-proprio-aparelho-eletronico-sem-bateria&id=010150210923

Hashtags: #Tecnologia #Eletr么nica #Invova莽茫oTecnol贸gica #DIY #GameBoy #SemBateria #Batteryless

Fa莽a voc锚 mesmo: Construa seu pr贸prio aparelho eletr么nico sem bateria

Agora qualquer interessado pode converter seus aparelhos ou construir novos dispositivos sem baterias.