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 trying to program this nrf51822 module. I am using J link Cortex M9 . I want burn multilink peripheral in it.
I have followed this link.
I have connected everything...
I would like my device to advertise for 10s and then begin advertising again only on an external interrupt.
What steps are required to restart advertising without restarting...
I am trying to reprogram a usb dongle device from AdaFruit (Bluefruit LE Sniffer), which uses the nrF51822 SoC, using nrFGo Studio. In the device manager I'm innRF5x Bootloader...
Hello everyone
i am trying to set the password for connection whenever its start advertsing but the static passkey option will set the pssword only for bonding not for...
Hi.
I am using nRF24, nRF51, and nRF52 chips.
Today I saw nRF31562A on some device(wireless mouse of Logitech)
However I can't find any information about this chip,
even...
Hello,
I would appreciate if you could help me solve what i am trying to do. I have nrf51DK board with nrf51422 on it, PCA10028, S130 and i want to use to scan for another...
Hello,
I am working on SDK 9.0 and softdevice 8.0 and the requirement for my application is the device has to advertise till it gets connected and even after disconnection...
Dear all,
I get a new nRF51-DK and I am trying to download an hex file into it.
I downloaded and installed nRFgo studio.
I connected my nRF51-DK to my...
Hi. I've gone through a lot of documentation and can't seem to find if this is documented by Nordic semi.. please answer if you know, or can point me to experiments/documentations...
I soldered 5 pieces of PCBA with nRF51822, but I got only one PCBA which can connect to J-LINK. I checked the bad four and found that SWDIO of nRF51822 on the four board is...
I'm having a weird hardfault and, I can't make sense of it.
Here's what I do know:
nrf sdk 9.0.0;
nrf51422 on a dk;
I have RTC1, SPI0, and TWI1 enabled (also a uart for...
Hello,
call of app_pwm_init() function forces logic 1 on PWM enabled pin after advertising timeout expires. Why? It causes my LED to turn completely on after advertising...
Hello,
In my code I would like to switch between BLE advertising and listening nearby devices (and save their RSSI) in the same code. After each advertising period, I would...