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...
Using nRF52 with SD 132 3.0.0.
Peer manager uses fstorage to store information.
I need to be able to specify the address range which fstorage can use.
Is there a configurable...
Hi,
I have problem with both functions sd_ble_gatts_value on central device.
It works on peripheral, because there is my characteristics definition.
Now I have to read...
Hello,
I'm developing a BLE Application where I use the peer manager. My Goal is to use direct advertising after disconnection if a device already has bonded. But every...
I am using the SAADC on the nRF52832, SDK12.2.0, with it set to 12 bits and low power mode. I have enabled five channels which I run blocking nrf_drv_saadc_sample_convert...
Dose this capture from the Nordic Specification means that to read bytes from SPI i need to send before. Each byte i send i get a byte!!!
MLy case i have read only sensor...
I am using the nrf52832 with the s132 for a project in which I have a frame with 24 bytes that need to be transmitted through BLE.
I have followed the tutorials and I have...
Hi,
First I'd like to salute the great work done by you Nordic people for those open source and hardware.
I just installed the SDK 10.0.0, S120, gcc-arm toolchain, configure...
Hello, I'm a beginner with the BLE technology and nRF52 is a good tool to start with it.
Currently, I have a setup that allows a Raspberry Pi and an nRF52 to communicate...
Hi. I have a problem with programming brand new chips nRF51422.
I have connected: Vcc (1, 12, 35, 36), Gnd (33,34,13), Swdio (23) Swdclk (24).
christal on the board:
...
I had downloading many versions SDK,from 10.0.0 to 12.2.0.But when I Program SoftDevice then download the examples,such as the path:
nRF5_SDK_12.0.0_12f24da\examples\ble_central_and_peripheral...
hi,all.
when i first time connect nRF52840PDK to PC, and open nRFgo Studio, but encounter this problem:
no device detected.
screenshot:
I click recover button many...
I want to send several packages in one interval from my iphone to 51822(s130).But the demo ble_app_uart can only receive 1 package per interval（ipone6，lightbule，writewithoutreponse...
I want printf the date and time when compiling code.
But I drag on this error:
SEGGER_RTT_printf("%s %s.\r\n", __DATE__,__TIME__);
compiler says:
It's strange...
Hi engineer,
I found that the SAADC current is increased after the SAADC function opened, then my processing method as below:
1,I close SAADC function after sampling...
Looking for the OpenOCD equivalent of ""nrfjprog --rbp all"
Looking at the commands for OpenOCD they have a "flash protect" command, but it doesn't appear that's quite...
