Firmware - Luglio/Agosto 2013 / N°90-91 - (Page 58)

+Tools ENERGIE RINNOVABILI PER UN NODO “SENSORE” Progettare un sensore touch L’obbiettivo di questo articolo è introdurre le tecniche che permettono di realizzare un’applicazione touch di tipo capacitivo, che risulti robusta e il più possibile insensibile al rumore di LUCA STANZANI sensori capacitivi non sono altro che I delle aree sul PCB riempite di rame e collegate tramite una pista ad un dispositivo in grado di rilevare piccole differenze di capacità che possono essere causate da un dito dell’utilizzatore che sfiora il sensore. Il dispositivo di rilevazione effettua periodicamente e continuativamente la lettura della capacità del sensore e quando individua una variazione è in grado di interpretarla Figura 1: Schema del sensore capacitivo touch. FOCUS ON SKILLS INSIDE TOOLS ANALOG TIPS’N TRICKS MARKET NEWS SPOTLIGHT EVENTS ZAPPING MEMBERSHIP http://www.elettroshop.com/smart

Tabella dei contenuti per la edizione digitale del Firmware - Luglio/Agosto 2013 / N°90-91

News
TIPS'n tricks
FOCUS on Board High-Brightness
SKILLs
E-Field Lighting Controller
Microntrollori low power: come scegliere
Soluzioni USB power per batterie ai polimeri di litio (LiPo)
SPOTlight
Freescale punta all’utilizzo del radar nelle auto di fascia medio-bassa
LYTSwitch-0: la nuova famiglia di driver LED di Power Integrations
INside Motori Brushless DC
TOOLS
Progettare un sensore touch capacitivo
Energie rinnovabili per un nodo “sensore
ANALOG Mixer passivi a due canali
EVENTS zapping
Guida
Anteprima farelettronica

Firmware - Luglio/Agosto 2013 / N°90-91

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