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...
I have read through the USBD section in the nRF52820 datasheet and I think I cannot do what I need, but wanted to confirm I am not missing something.
I would like to make...
Hi,Master:
See below:
BAT + = 3.88V
a).When I removed the MCU:BAT_ADC = 2.556V
b).When I soldered the MCU:BAT_ADC = 2.28V,Why is there a 270mv voltage drop?
In the...
Hi, nRF9160 modem firmware V1.0.0 avalable from nordicsemi.com.
"Please use nRF Connect Programmer to update modem firmware."
it means that open nrf connect and choose...
Hey there,
I am having a strange issue where once I connect to a PCA10031 device using the Bluetooth low energy app (v2.2.1) the entire screen turns white just after the...
I would like to setup a development environment for the Thingy. I see there is a User Guide geared towards demoing the example application, but there isn't a specific getting...
Hello,
Currently, I am using NRF52832 and nRF5_SDK_15.2.0. Also, I am using FreeRTOS.
I disabled softdevice by calling nrf_sdh_disable_request() before goes to sleep...
I have a custom nRF52840 board, very similar in basic design to the nRF52840 Dongle, but with a 9DOF sensor. The sensor asserts an output pin when data is ready. This output...
Hi
In the MESH_310 have LPN device.So,I want to integrating Friend feature for light_switch_server example.In this case,this light_switch_server device can be realised...
I want to measure the accuracy of the 32.768 kHz oscillator.
Is there a way to output it on a port-pin, even when it comes out via a divider?
I can't touch the crystal...
HI ,
I want to configure P0.02 as an adc channel .
I also want to read the adc value from P0.02 at regular intervals.
For regular intervals i will put a timer and...
I developed a FreeRTOS application which uses NRF_LOG and CLI enabled. The CLI is used to accept user input, and I used NRF_LOG for system logging. Everything works great...
hi all,
i rebuild the asset_tracker project with nrfConnect SDK (git tag, v0.4.0)
it get hardware exception. how to do it ?
***** Booting Zephyr OS build v1.14.99-ncs2...
Hi
ZED requests beacon every time when it restarts both case ERASE_PERSISTENT_CONFIG is true or false.
But
ZR does not request beacon when ERASE_PERSISTENT_CONFIG is...
Hello,
I've been using the nRF52832 with a Segger JLink Pro which works fine during execution. However during the system initialisation, this is just before getting to the...
