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...
Dear Sir.
Some problem with the PWM .
Pwm output on pin 12 is connected to a buzzer.
When pwm_pin_set_usec(pwm_dev,PWM_IO, 260, 130,0) is set through the pwm_init...
I'm trying to achieve half-duplex UART communication between two nRF52840-DK:s (master/slave) using no external circuitry. I was looking at the thread https://devzone.nordicsemi...
Hello
I am using SDK16, and using BLE sample project (central app_ble_blinky)
when I am taking sample project without BLE , I am able to add UART secure bootloader...
Hi,
I am using NCS v1.3.0 for nRF9160. How to enable both scanner and advertiser roles simultaneously?
Currently even I enable both, HCI LE set random address failing...
Hi,
We are developing the BLE product based based on the nrf52840 Chipset and we are facing below problem while testing in the field.
During our development we have come...
Hi,
Based on other discussions of encryption etc , I created a function to encrypt all the data, so that whenever I call the function It encrypts.
But I am not able...
Hello,
I’m struggling with a problem and need your help. I have an application where a nrf52840 communicates with another nrf52840 over BLE using nus and some services....
I am about to follow the steps here https://wiki.segger.com/Open_Flashloader to be able to program an external flash. However if there is an easier method I would prefer to...
Hello, i would know about the IDE avaiable to develop codes for SoC Nordic nRF52840 and where i can find/download it
Moreover, where can i see examples code about BLE Client...
Hi
I'm working with FreeRTOS with Tickless (RTC) and I was wondering what one should do in order to avoid the FreeRTOS Idle Task to be waken up every time an Interrupt Service...
I have installed SES 5.10a and imported ouf Keil project. There are several issues when I try to compile. This is interesting since I am using the "external" build which should...
Hello,
I have products based on NRF51822, that are central and peripheral.
These products use Softdevice S310, bootloader and application code. It use peer manager, fs...
Hello,
I'm pretty to new to developing with the NRF52 and the NRF52-DK and have a couple of questions.
I have a custom board which has an integrated NRF52832 chip. Now...
Hi,
Recently, I've found a reset issue with my device by ble_nus_data_send error when ble is working.
But the error code is 0x3401(Please, refer the picture). What does...
I'm working on augmenting an existing product that is based in the nRF52832. We've been using a handful of timers for some time without apparent issue. I added another timer...