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'm new to sniffing BLE. I'd like to determine the min and max connection interval and other connection parameters (MTU, slave latency, supervisory timeout, etc....
I am just starting development of a BLE mesh product on the nRF52840 using the serial demo on the nRF52840DK. By default PERSISTENT_STORAGE=0 in the demo so the nodes forget...
Hi,
I have a Unix time stamp value stored on the Nordic board that comes from a GATT connection.
I am using SDK 15 s140 pca10056 NRF52840-dk.
I need to update this value...
I am using nrf52840 dk for zigbee project with two xbee modules. One xbee is configured as coordinator and other as end device and nrf board is supposed to act as router....
I use nRF52810 + 15.3.0 s112 to develop. After the equipment upgrade is successful, I power up the equipment again, and the equipment is always in DFU mode.
For some reason it seems that the TWI master does not generate a NACK. As a consequence, the TWI slave keeps sending data. I have managed to create a very simple function...
Hi
I have a really strange issue with an NRF52840. I'm using it with an MPU-9250 connected via TWI. I've modifed the excellent library:
https://github.com/Martinsbl/nrf5...
I want to use RTC handler , so I used NRF_DRV_RTC_INSTANCE.
I use SDK 16.0.
" 'NRFX_RTC"_INST_IDX' undeclared here (not in a function) ; did you mean 'NRFX_RTC_INT_TICK...
I've been reading into the "nRF5 SDK for Thread and Zigbee v4.0.0", and I wondered about the limitations , in specific
is that a hardcoded limitation, or does it require...
Hi I programmed the nRF mesh experimental dimming example on the nRF52832 chip. I noticed that, when using Bluetooth Mesh provisioning apps (I've tried several to verify this...
I am trying to setup a PPI channel to trigger the SAADC in simple mode. However, it appears as though the SAADC module is disabled after every read. I.e. if I write:
...
I am unable to flash the DK board facing issue " Failed to Connect to Target. No idcode detected. Please check connections and Target interface Type."
DK Board Details:...
I am using LSM9DS1 IMU, nRF52840 with SDK v16.0.0. I configured the IMU to raise an interrupt when the FIFO buffer be full by writing to register INT2_CTRL the value '0b00011000...
I can't see it!
https://www.nordicsemi.com/Software-and-Tools/Development-Tools/nRF-Connect-for-desktop
The 'Downloads' section contains only the "host" native app - doesn...
I am trying to interface the BMM150 magnetometer with the nRF58240 MICRCONTROLLER, Iam able to establish the I2C connection and get the return value from the reg 0x40 and...
