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...
Hey folks,
I'm trying to modify the SPI Master loop back example into a 4 line SPI Master_Slave program. Whenever I change the Tx_Buffer_lenght from 10 to lsome other numbers...
Hello,
I am currently using SEGGER studio with SDK11 and the MPU9255 repository from github.com/.../nrf5-mpu-examples . I followed the installation instructions in the...
Hi all,
I have a question that whether it can be set to an equal value with CONN_MNGR_SCAN_INTERVAL and CONN_MNGR_SCAN_WINDOW or not in a S120 application. If I do this,...
I am using the RTC to generate a square wave signal.
I have two issues. One is that nothing I do on the prescaler or the Count Compare is having an influence on the frequency...
When we develop Bluetooth products, we find that in Android 6 APP, Bluetooth devices can connect normally, but at Android 7 or above, sometimes it doesn't connect to Bluetooth...
Just had a contractor update our project (simple device is peripheral and server for some GATT data) from SDK v12.x with S132 4.0.5 to v14.2 with S132 5.1.0.
All works...
nRF52, SDK12.1, Eclipse, gcc 5.4.1, FreeRTOS, no soft-device.
I am having a problem with GPIOTE. I have six interrupts programmed on six different pins. As long as the...
hi everybody
SDK:14.2
Chip:52832AA
NRF GOSTUDIO:12.2.10
JLINK:V9.4
I use NRF GOSTUDIO to write sofedevice or app,it note:
unable to find or open the...
Hi,
I am a beginner with NRF chips, just wanted to know that Can I use different package size for Capacitors/Inductors like 603 instead of 402?
Thanks.
Hello,
Our production systems run on Raspberry Pi, which is running on ARM. Currently the nRF5x command line tools are only available on x86, which means that we need to...
After working with NRF51822, I decided to go for NRF52832, and I bought some modules that have NRF52. I am using GCC and SDK13. I installed the S132 soft device which is in...
Hi - I am using NUS (Nordic UART Service) to send raw sensors data over BLE to my PC for later processing. However, I found that I can not get a more-than-20-packets-per-second...
Hello,
I am preparing a driver for the SAADC of nRF52832; I have to acquire data from five channels; consequently - in a scanning mode.
However, what I observed is that...
Hello,
I need to read SAADC input pin of nRF52832 that is multiplexed and wonder what the optimal strategy is to implement that.
Especially: setting a ppi channel so that...
Target - NRF52832 populated on a custom PCB using SDK 14.0.0 and s132 5.0
Background - end device will be used to send logged IMU data to the cloud via a smart device,...
