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...
Hello,
I've built a small BLE-device based on the nrf8001.
With my Iphone I can discover this device and I am able to connect to it and listen to notifications of the...
Our pcb is used for gps location data. We have a nrf24L01 nordic chip as the micro process or between the gps module and wireless module (2G). Our engineer needs to capture...
Hello,
I used the uart example to print text over serial communication from the SDK v11.
The problem is when I write lot of text consecutively, I don't receive all data...
i use the BLE uart example to test. I delete the UART hardware init and just use the BLE send data to phone every 500ms. I found whatever i set the MIN_CONN_INTERVAL and MAX_CONN_INTERVAL...
Hi,
Some time ago I ask a question about changing the publish address of a node in the mesh locally. I received the answer in the following threat and verified it:
https...
Hi All,
I used the app "ble_app_uart" and "ble_app_uart_c" on two custom boards mounting a n52840 QIAACO.
I know that in the app (nRF5_SDK_15.1.0_a8c0c4d\examples\ble_peripheral...
Dear Sir/Madam,
I want to measure the data speed between two BLE 4.2 based devices and two BLE 5.0 based devices.
Using nRF52 products for this purpose.
Kindly help...
I know that the nRF52832 is strictly a 3.3V device however, I was wondering whether any of the GPIO pins are 5V tolerant?
Is there any internal clamping diodes within the...
Hello,
I have noticed, that https://github.com/NordicSemiconductor/nrfx was updated with a nfct driver. I am trying to extended the nrfx port on micropython (see https:...
Hi,
I'm trying to setup the Peer Manager on a nRF51822 with installed the S130. I'm working with Eclipse where I installed the 12.3.0 SDK.
At compilation time I get the...
Hi, I have a two part question, I know the NRF51822 (and I believe all 4.0 BLE chipsets) are being sunset, when will this start taking place?
Since I'm currently using the...
HI,
i am using nrf51422 with sdk13.3.0 and soft device 130
i am receiving 69 byte of data through UART, i am compressing data in two packets. here after transmitting a...
I have an issue with BLE on Android when using low duty-cycle directed advertising and I'm asking here hoping some people have already seen that issue or something similar...
Hi,
I'm working on a custom bootloader based on the one included with SDK 15.
I have a blocking method (i.e. while loop) that runs at the end of the transmission of all...
Hi,
Some general Nordic BLE device questions:
How to add Characteristic?
How to send data to given c haracteristic?
We are using SoftDevice 132 with Segger IDE.
...
I am trying to free up some RAM on my nRF because I am getting Fatal error 0x4, NRF_ERROR_NO_MEM when I try to increase the size of a 2D array.
I do not understand how to...
