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...
Hi,
I updated to softdevice 8.00 recently, and found something different with softdevice 6.00.
When trying to program the new softdevice hex to the chip using nrfgo studio...
Hi,
I am using nRF51822 chip.
I am using the softdevice s120_nrf51_2.1.0. On top of that i am flashing the HRM central example given in the SDK nRF51_SDK_8.1.0_b6ed55f...
Hello, I'm fairly new are Nordic and have inherited a good project from a departing coworker. We are using Keil uVision 5+nRF51822+BLES110 softdevice.
She explained her...
Hello,
As mentioned title, when using printf with softdevice, "Stopped by a vector catch" occurred.
I am using my custom board(nRF51822 and s110).
And I am using IAR...
Hello,
When i try to set value of the gpregret using sd_power_gpregret_set and clear functions in on_write callback function, cpu gets stuck (i check it in debug mode). Can...
Hello
I'm trying to communicate with an sensor over the TWI HW interface during a BLE connection with the S110 soft-device, and every time I try to use the TWI bus the...
Greetings,
There is a bit of strange operation in UARTE peripheral in nrf52832 with the DK. In the simple code below, if both of the if statements with comments 'Check 1...
Hello everyone,
I have a strange issue with s110 + whitelisting + Device Manager + nrf51822 + GCC and hopefully you can help me with a good advice. It appears that the...
hi,
I am trying to integrate buttonless switch to boot loader as explained in the documentation and the hrs experimental example.
I am working on SDK7.2.0 and using...
Hello,
I installed the new nrfjprog but it fails to write my nrf51 dongle:
ERROR: nrfjprog failed for an unknown reason. Run the same command again with
ERROR: argument...
Hi All,
I would like to design a wireless system using nRF51822 with an effective range >100m LoS and 5m under water.The system is used as a ON-OFF control device powered...
I am trying to run an Arduino sketch using the RedBearLab nRF51822. The sketch is designed to transfer data to and from a microprocessor and an Android device via bluetooth...
I'm currently want to use the NVM with ble device, when I tried to send values from the mobile app to be stored to the NVM, it doesn't work, I guessed that the problem that...
