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,
I would like to understand the reason behind getting a error,(0x04) NRF_ERROR_NO_MEM , when calling the function
sd_ble_gatts_characteristic_add(p_service->service_handle...
I'am realy new to nRF52 development. I want to start with a simple demo as shown on www.nordicsemi.com/.../Getting-started-with-the-nRF52-Development-Kit.
What HW do I...
Every time I change a common source file within Kiel, the source file is changed for every project because (obviously) is a file common to all example projects.
Is there...
Is there a nordic guide which lists out the steps taken by the chip when going though a bonding process? I am trying to add as many RTT printouts as possible to know where...
finally I have done to implement that ADXL345 can throw data over BLE using nRF UART app service with this code . now my problem is how to change 2's complement ADXL345 data...
Hi,
We are using a nrf52832 in a serialized application with a STM32F4 and standard SPI as the transport layer. We are using the SDK V12 on the STM32 and softdevice S132...
Hello,
I want to add DFU fonction on my custom application. The final goal is to update my firmware from my custom app (not just once).
My setup is : SDK11 - nRF52832...
Hello All,
I am using the HRS example as reference from Nordic SDK14.1.
I have one central and 4 peripheral devices.
I have the MAC ID's for all the four peripherals...
Hello Nordic Experts,
I have One central device and and 4 peripheral devices.
At this point of time I am trying HRS example on it, the example is running fine with single...
Hi everyone,
We are trying to choose which protocol use for connecting devices based on Nordic SoCs.
We use devices in following way:
about 300 - 500 devices (wearable...
Hi there,
The dfu secure bootloader example is working fine with my nrf52832 sdk14.2 s132. but the experimental buttonless dfu in the example is not working for me. I was...
Hello,
I have nrf51 beacon that is protected from read. I want to recover it (erase and disable protection) but I only have st-link programmer. How can I do that? Maybe...
Hi,
I have been developing with nRF51 for some time and already implemented a nice 13.56MHz wireless charging circuit. Now that I'm moving to nRF52 I would like to keep...
Hello,
I have bought a bunch of nRF24L01+ chips online and just received them. How can I tell if they're genuine or fake? The markings are 24L01+ and 1712AB.
The boards...
Without making use of white list approach, can a BLE peripheral reject connection request sent by a BLE central?
I want my application layer to be notified when the BLE peripheral...
