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 am just curious, do the numbers 51 and the 52 have any meaning? Does the base of 50 imply anything? Are these just arbitrary numbers for the sake of good marketing?
Hello All
i flashed one of the example in following mesh SDK "ble_mesh_v0.9.1-Alpha_2" SDK , I testing light control example code while testing i have got some doubt in...
Hi all,
I'm trying to write a custom bootloader that must works in this way:
The new image to flash is received by a uBlox GPRS modem that communicates with the nRF52832...
Hello All
I have some doubt in Meshing Protocol Could please help me .
Example
I have 3 BLE module Like A,B,C i want connect all 3 three device in one mesh...
Good morning.
The sentence may not be smooth due to Google translation.
please understand.
I tried to apply the hid-mouse example in SDK 9.0.0_2e23562 to nRF51822-QFAB...
im very new to ble, i wanna use the notification feature but i cant tell how to do that.
i searched some question but havnt found anything straight forward. maybe idk what...
I have a question most like devzone.nordicsemi.com/.../
And my configure is
FS_REGISTER_CFG(fs_config_t fs_config) =
{
.callback = fs_evt_handler, // Function for...
I'm still learning about whitelisting, advertising, ect. My project originated as a copy of the ble_hrs example provided by nordic. I wanted to add the ble_cts_c service client...
Hello all,
I am getting the error while programming soft device on nrf52840 dk using nrfgo studio it says "no device detected or readback protection may be set" please...
Hello,
I need some clarifications about external crystals for nRF52832.
We are evaluating a prototype system with two units A and B each containing an nRF52832.
A and...
Hi,
I'm having some trouble using the UART protocol (4800 8N1) communicating with a GPS device.
It happen that the nRF51 device is not getting an interrupt (nothing...
So I've got the DFU on SDK 12.3 working and it transfers my application .zip package. I see from the RTT logs that it validates the image, but its not starting up the Application...
I am using a nrf52 DK and running the IOT Cloud CoAP Client example in the SDK. I need to run multiple functions periodically, and I need to be able to change the periods...