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...
Hi, now I'm developing my projects with SDK 15.2. and Thingy:52.
The projects are bt-audio-advertiser and bt-audio-receiver.
I adapted extended advertising to a Thingy...
Hi,
I have a problem making NFC (with a simple text record) work when I enable SoftDevice: I do not receive any NFC event and NFC communication does not work.
I have a...
Hello,
I would like to get the value of a temperature sensor, convert it from A -> D, send it to a server and then get it with a client (mobile application)
I need a sensor...
Is there any way to perform multiple DFU simultaneously using the single nRF51 dongle. I have to perform DFU from a custom application developed on windows PC. As I need to...
Hi ,
I am running example in nrf52840 using segger embedded studio .
And i am trying to define __no_init variant ,
May be sameone know what is the syntax . in IAR __no_init...
Hi all,
I am building a demo for Bluetooth mesh networking with thingy. I had followed the instructions under this link:
https://github.com/NordicPlayground/thingy52-mesh...
Hi,
I am using the twi_sensor example in the board PCA10056 with SDK v15.2.0. I am trying to disable the internal pull-up resistors of SDA and SCL lines to use external...
There appears to be a design flaw in the nrf_sdk_freertos code that produces a race condition. The race condition can result in a delay in processing a SoftDevice event, or...
When setting up Heartbeat Subscription for a node, a single unicast address is specified as the source. Does this mean that a node can only subscribe to heartbeat messages...
Hello, I am using nrf52 with sdk 13.0.0. Bootloader_secure_ble gives error while compiling. What should I do ?
Error[Lt009]: Inconsistent wchar_t size
micro_ecc_lib_uECC...
Hi,
I have been trying to use the FATFS example (SDK 15.2) to work with an SD card on the NRF52840 DK, with an Adafruit SD card breakout (I removed the 5V level shifter...
I'm working on a medical device that is using the NRF52832 chipset for communication. One of the tests that I'm required to perform on startup is a RAM check.
On the other...
where is the declaration of board number in ses project? I want to change from pca10056 to pca10059 a project but I did not find where i have to change it in the script. ...
Hi all,
Does anyone know what are the TRC-43 classification of emission section 4th and 5th symbols (see below list for options) for device which is based on nRF52832 and...
Is it possible to connect four peripherals to one central and send 300 bytes of data to the central from each peripheral every 100 msec? If so, which sample program should...