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...
Hi ,I am using nrf52 DK with mpu9255.I am using source code given here here .of this link,I have taken 'nrf5-ble-data-ready-interrupts' example .code builts fine in keil v5...
Using nrf51422 in KEIL. I am verrrryyyy new to this type of programming. I have been looking at multiple examples within the nortic github to find how to input analog reading...
I started Heart Rate Monitor app "ble_app_hrs_pca10040_s132" on nRF52 evaluation kit (nRF52832). Everything work well when I connect with nRF evaluation kit from Android devices...
Hi!
I just got my PCB with a Telit BlueMod+S42 Module on it (nRF52832).
I' using the LESC feature and ist works properly on the PCA1004 and on the Telit DevKit (same Module...
Hello,
I'm working on a bootloader based on the example of SDK13.1. I want to add two more characteristics to the DFU service, but after I add them, the nRF Connect app...
When I use sdk14.2 nRF52810 ble_nus_string_send to send data to a mobile phone android, the first connection is no problem, but disconnected again after connecting problems...
Dear friends,
If i set the conection interval=100ms and the slave latency=1, the slave will wake up every 200ms. If the slave has data to send, it will still wake up every...
I haven't been able to find a drawing file for the nRF51 Development Kit. Is there one out there?
Ideally, I'd like to get the drawing and a *.STP file for SolidWorks.
I'm looking for a good firmware engineer that can take my current firmware and add the buttonless DFU to it. I currently use the Keil environment but am open to switching...
The file nRF5_SDK_1 4.2.0_17b948a/components/libraries/util/app_error_weak.c requires the following modification to correctly compile: Add: #include "app_util_platform.h"...
Hi,
I'm currently using SDK v14.2.0 and I'm attempting to merge the buttonless DFU bluetooth example into the bluetooth template project within the Eclipse Oxygen environment...
Hey Guys,
I have 3 tasks running on FreeRTOS, SDK v14.0.0. In each task, I want to use SEGGER_RTT_printf() to debug.
I currently just call SEGGER_RTT_printf() without...
I have two nrf devices nrf51822 and nrf52DK, In nrf51822 i'm using S110 and i had created a custom service with 10 characteristics. If i connected to nrf connect i can able...
Hi,
Is it possible to make realization of this protocol ( wiki link ) with softdevice? After reading forum I think "more no than yes" because softdevice blocks CPU and this...
Hello
I am still relatively new to microcontroller development with the NRF52 DK. I am currently running a modified version of ble_app_uart__saadc_timer_driven__scan_mode...
