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...
Hi,
Is it possible for an 3 party BLE device like an mobile device like an Android/IOS Phones or ESP etc to participate in mesh notwork if so is there any documentation...
I have been unable to perform a DFU over BLE using the bootloader_secure_ble example.
I am using SDK 14.0, nRF52832, S132 with a custom board, along with the nRF51 Development...
Hello,
I want to factory pair nRF52 to nRF52 connections (NUS) with a factory set key but i'am lost.
I digged in NFC pairing but it's too complicated for my understanding...
Hello,
i use IAR EWARM 8.20.2 and SDK 12.3.
I compiled the blank Blinky example from the SKD for the pca10040 without any Errors or Warnings. When i load the .hex to the...
I use IAR EWARM 8.20.2 and the SDK 12.3 because i want to use the S130 for the nRF51.
I installed the provided MDK_8_11_1_IAR and now there are two options for Nordic Semiconductor...
Hi,
Note: i have already posted this topic , but no one helped me , stay hopeless about the solution, so i try again with this new topic.
my problem is :
I tried to...
The comments (and the name of the function) say it returns an address, of an event register. So the return type should be a pointer type? This causes compile errors on stricter...
Hi,
I have two problems with pc-ble-driver, I've tested hrc_v5 example program on my Linux machine, along with connectivity_2.0.1_115k2_with_s132_5.0.hex firmware (using...
We have set the peripheral ADV interval & central SCAN interval as below configs, we found that the connection time is unstable, from 125ms to 980ms, we expect to get a stable...
nRF51822, SD 130 v2.0.1, SDK 11.
Dear community,
I am experiencing an issue with disconnection on iPhone (iOS 11.2.5). After connecting and bonding with device (in iOS...
Hi,
I am using SDK 14.2.0 and SD 132 v 5.
When trying to combine ble_app_beacon with twi_sensor, I get the following error:
..\..\..\main.c(89): error: #253: expected...
I'm developing a project where the device wakes from system_off using a button. I've noticed that it takes about half a second from the time the bootloader starts until the...
I updated the original question
Hi, I am working with two nRF52 SDK13 central and peripheral, with no display, each is connected thought UART to a software interface,...