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Last activity 2017-12-28 14:21:41 +0200 by Mateusz Gancarczyk

[nRF52] ESB: one PTX, many PRX + frequency hopping. How to increase probability to of recived data?

In traditional approach to ESB communication we have many PTX device and one PRX device: image description

In my application, situation is inverted: I have only one PTX device and many PRX devices:

image description

Each PRX device have implemented Bluetooth and timeslot ESB ... (more)

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Last activity 2017-03-21 14:42:40 +0100 by Hung Bui

Frequency hopping with S132 v3

Hello! I'd like to know if S132 v3 implements the frequency hopping scheme defined by BLE.

I've read some documentation on Gazell, but from what I understood, that is a completely different protocol, not a superset of BLE ... (more)

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Last activity 2016-11-21 13:38:08 +0200 by Kristin flag of Norway

nRF52 Bluetooth Certification, Hopping mode

I'm in a situation similar to the one described in this question:

https://devzone.nordicsemi.com/questi...

The company performing the test ask me to provide a device that can switch in between the lowest, middle and highest frequency ... (more)

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Last activity 2016-06-27 12:48:28 +0100 by Hung Bui

Can gazel keep communicate and frequency hopping without ACK

I was able to setup gazell frequency hopping communication between a device and a host. Device:nrf51822+PA/LNA(RFX2401);Host:nrf51822+PA/LNA; They can communicate at a long distance about 300m+. In order to simplify the design and ... (more)

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Last activity 2015-09-11 10:36:16 +0100 by Hung Bui

Does anyone has "frequency hopping" code example for NRF24L01/NRF24LE1?

Hi all,

I'm new to RF coding, currently my developing product has encountered some critical problems, that it is heavily influenced by the household appliances, such as the Wireless Router. From the searching internet, that I need do something ... (more)

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Last activity 2015-07-31 15:25:55 +0100 by Petter Myhre flag of Norway

Change Gazell channel manually on the fly [closed]

I'm trying to implement ANT+ style frequency hopping, where it would change channel whenever it detects a raise in packet loss. For that I need to be able to switch channel on the fly, without disabling Gazell. Is there ... (more)

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