I am working on the proj that needed 2 MCU and nrf51822 work as slave.
I would like to know any ref on how to firmware upgrade on board without external tool?
We're looking for a Nordic nRF51822 based low profile/small USB dongle that we can use for our iBeacon software.
It would need to come complete with casing and the ability...
Hi all,
i want to establish connection between two threads in cmsis-rtos, can i use
1) semaphore to do this?
2)message queue should be used or any other ipcs can be...
Hi,
I have two CPU in our product. (STM32F2 and Nordic nrf51422).
I use serialization function to link those two CPU(refer to ble_s110_serialization sample)
But I find...
Hi,
My behavior is as follows
Turn on my device(use 51422) and advertising(2 Service and 3 Characteristic)
Turn on my cell phone(Samsung Note3),scan my device...
Hello:
I used analog IIC write MPU6050. Again after power download programs, mpu6050 can run up there ACK response. But the debug will not run. Simulation IIC because no...
Hello!
How can I communicate with my nRF24L01+ and nRF51822 at the same time. I can set up same channel, CRC-mode and I don't use ESB. But what about address? How do I set...
Hello,
Is there a BLE only DFU application like that available on Android? The Android application works fine. The windows version needs a serial port to perform the same...
For synchronizing an external sensor i need to output a 32768Hz clock at a GPIO pin. For this case i want to use LFCLK from the external cyrstal.
My setup:
I use RTC0...
Hello,guys
I have build one application, in which I want to transmit the Image from Mobile BLE to nrf51822 and than after display on display like E-paper.
The use case...
Hi,
I use it as a translator for Google, so it may be strange in context. please understand.
I was in big trouble.
I used the nRF51822, S110, and SDK9 in my previous...
Hi. We are attempting to use the Infineon XMC1202 LED shield with our NRF52 device. The XMC1202 has an I2C address of 0x15E, instead of the traditional 7 bit address. We have...
I've tried linking the ESB library (esb_arm.lib) in Eclipse by adding it to my nRF51822 project's Makefile, but I am still getting undefined reference errors during build...
Hi
We are going to use the Taiyo Yuden Evaluation Board - EBSHJNZWZ.
As i understand, the board firmware used the Nortic SoftDevice S132
The question is :
May i...
Hello,
I'm trying to compile an example of nRF52_SDK_1 but I get this error:
make
Makefile:150: Cannot find include folder: ../../../config/receiver_pca10040
Makefile...
Hello,
I've been reading over different examples and questions on the Nordic Developer Zone but still have some questions about multiple SAADC channels.
1 - If I initialized...
I've been developing an application on the nrf51 DK based on the ble uart application and it's been working fine. I've ported it to a custom board running at 1.8V and attached...
Greetings -
I am using (the slightly out-dated) 12.3 SDK with a nRF52840. I'm also using s132 as my softdevice.
As I've been slowly reducing my RTC interrupt frequency...
Hi,
I want to activate readback protection on nRF51822, in a simple project without bootloader without softdevice.
My compiler is GCC and the const uint32_t UICR_RBPCONF...
Hi. I don't understand how to build nrf_drv_saadc.c with gcc. I'm getting this error in the EVT_TO_STR() macro:
Compiling file: nrf_drv_saadc.c
In file included from ...