Posts Tagged ‘2.4Ghz wireless’

App note: Noise suppression for wireless headphones

Sunday, January 13th, 2019

Wireless headphone interference investigation from muRata. Link here Recently, the popularity of wireless headsets has been growing as the number of situations where people “play sports while listening to music” increases. Bluetooth is frequently used for communication between smartphones and headsets. However, audio can skip due to communication errors, so...

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App note: nRF24L01+ 2.4GHz wireless transceiver

Sunday, November 20th, 2011

The nRF24L01+ ICs are 2.4GHz transceivers that only need a few external parts. They're controlled by a simple SPI protocol, and two extra pins. The IRQ pin signals when data is available and can be used to wake a microconroller with an interrupt.  The CE pin is an input activates/deactivates...

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