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 am wondering if there is a list of recommended chip antenna for the nRF52811 SoC?
I am designing a board that will use BT5.1 but does not need the AoA /AoD applications...
Hi,
I tried to burn the hello world sample code into thingy 91 using segger and J link Edu.
After configuring Termite it did not show anything.
And now LEDs are...
Our device is based on nrf52840 + SDK 15.0.0
We use nrfutil application for packaging sw update (application) and use DFU for uploading & verify authentication
We also...
Dear Members,
How can I use ST7735 module with I2C ?
I saw :
NRF_MODULE_ENABLED(ST7735)
at
G:\nRF5_SDK_17.0.2_d674dde\components\drivers_ext\st7735 ,
How can...
Hi, we are developing an Application with one nrf52840 acting as central, that is connected to up to three nrf52840 acting as peripheral. For our Project, latency for transmissions...
Hi we are seeing some very strange and would like some help clearing it up.
Recently we noticed a very weird hardfault issue triggered through data bus error, at first it...
Hello,
I am currently working on a project with the nRF52832. I need to get the data being provided by the Bluetooth sensor to be stored as a file in my Android device....
I am working on a project that requires some functions from nrfx_saadc.c, i have included this file in my project yet I can not access the functions in the file. The code...
Hi,
I want to add HID consumer control to the usbd_hid_composite example in SDK16. I have seen HID consumer control in the ble_app_hids_mouse example but don't know how...
The debug Log shows that
in main.c static void ble_evt_handler(ble_evt_t const * p_ble_evt, void * p_context) function
case BLE_GAP_EVT_SEC_PARAMS_REQUEST: // Pairing...
Hey all, I have been working on some custom boards using nRF52810-CAAA chips. I use SDK version 15.2. I had some previous issues with sleep currents as seen here , but I resolved...
Hello,
I setup nrfutil to use VALIDATE_ECDSA_P256_SHA256 and have this output from the pkg display output:
|- hash_type: SHA256 |- hash (little-endian): 60de8328530e5882b789259309c47d20dc1a9482f89606ad2cb70d9ad6456b1b...
Hi, Thank you for your attention to this matter.
The questions are as follows:
1. I originally used the following python script to upgrade the modem firmware, can be upgraded...