Hi,my friend,
Now,I use nrf905.Situation is as follows:
I use the NRF PCB circuit of data manual.Nrf905 work, often loss of data.
1.The Product host is to use the stick...
Hi,
I want to use the Blend Micro with more security. I want use a passkey for the Bluetooth connection. For example through the iOS Device.
Is it possible? Static passkey...
How do I receive multiple signals simultaneously at a single receiver (433MHz) with multiple transmitters ?
I am working on a polling system. This one is similar to the audience...
Hello,
I established a connection between my central and peripheral module. Now i want to write characteristic value on peripheral. I tried with sd_ble_gattc_write function...
I am using the NRF24l01 for my products and looking to buy in bulk(100-1000). Now I know where to buy the just the IC but antenna design is a hard point to break right now...
Hi, my friend,
I've been with nrf905. I use a 16-bit CRC check.
But I encountered problems in use:
1.Nrf905 16-bit CRC check format is CRC-16(IBM):X16+X15+X2+1 or other...
I have two custom PCBs, each of which has a microcontroller and an nrf24L01+. Everything related to the transceiver in the designs are complete duplicates (with the exception...
I try to use SDK8.1.1 example connect ubuntu14.4 with CSR dongle. Seems it create connection fail.
I downgrade to SDK7.1, it connection pair correctly. But it'll terminate...
We would like to use the nRF52 in a bachelors thesis for at least one of our students projects. The project is scheduled to take about 2-3 months and in this time they shall...
Since it does not have DMA or FPU, are there power or processing issues for using an accelerometer to do step counting, sleep tracking, and other fitness features? I do not...
I am a total "Newbie" to RF communication so I would welcome some guidance WRT to how multiple PTX/RTX
devices in a given locale are commonly handled. I intend to employ...
Is there a linux version of this tool? Seeing as it is just a wrapper for a bunch of python scripts, is there a way to forego it and call the scripts directly?
Hello,
I have configured a 1 ms timer (Timer 2) interrupt. I am just updating some static variables for reference in the 1 ms interrupt. Everything seems to be working...
Hello, I am designing a PCB with nRF51822 and I would like to know which is the best option to add battery charging to my PCB.
I think the most common options are these...
Dear All,
uVision debugger seems to execute code randomly. Picture shows stepping through the code. Codeline marking in grey also seems odd.
I would have expected to...
Hi,
I suffer from the phenomenon which can't sometimes maintain communication between the 32.8ms at Gazell communication at present.
When not writing in SoftDevice, this...
Hi,
I am using " BLE-Gateway " example from nRF51-ble-bcast-mesh to advertise my custom "Manufacturer Data" from 1 nRF51422 device to another nRF51422.
I've made the...
I have been able to implement the PER test (on nRF51822) using the direct_test_mode_s110 and code based off the example python code from the nAN34 zip file. I adjusted to...
Hi,
I want write a demon running on linux to control the 51822 dongle to connect or disconnect with mobile phones.
Now I have one idea, which is using string as command...
Hello,
I need to send packets that are larger than 20 bytes to once characteristic with a variable length. When I set the variable length to 100 bytes, the Attribute table...
