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!
Is there a way to send gps nmea data through ble connection? Almost all gps bluetooth devices use bluetooth classic to send data. The mobile app where I need to get...
Hi,
I need to read the data from the sensor MAXCESS Digital load cell amplifier in which the output we are getting in the form of current ( 4 to 8 mamp) not voltage. can...
Hey guys,
I've been troubled by the this 0x3E issue for almost disappointed to Nordic.
I'm working on a CENTRAL,which is going to connect a headphone with to read some...
Hi i am checking for the Rssi value of the low power node,when i am placing the device in certain feet, it is giving the rssi reading which is approximately matches with others...
Hello,
I am using nRF52840, SDK_16.0.0, S140 SoftDevice and Segger 4.16 for flashing the image. I am using ‘ble_app_blinky’.
As per below mail I changed settings for...
Dear all,
I'm using an nRF51822 chip for implementing a BLE HID device (mouse) (SDK ver. 12.3.0, SD ver. s130_2.0.1)
I have problems when connecting via BLE with laptops...
Hi..
I want to implement a application ,i want to make a connection one central to multiple peripherals and to transfer the data from the one central to particular peripheral...
Hello All,
I am working on the NRF52810 with sdk 15.3 softdevice 6.1.1
I have added the 3 service like TX power, Battery Service, Immediate alert in my program.
I wanted...
We have possibly discovered a serious loophole that can brick a nRF9160 and will require JTAG to recover it.
We were loading a full set of certificates (CA, private, and...
Hi, I need your help.
I use NRF51822QFAA, SDK nRF51_SDK_9.0.0 and iPhone 11 ( IOS 13.2)
I use a project is ble_app_ancs_c at nRF51_SDK_9.0.0\examples\ble_peripheral\ble_app_ancs_c...
Hello,
We are experiencing an issue when putting the nRF52840 back to a low-power state after having had UART configured for double buffering. For context we are using nRF5...
Hello support Team,An unclear point came out when driving nRF52810 with Keil uVision5. I have a soft device(S112) write error. Can you help me with the following information...
Hello, Nordic!
I'm developing with nrf52840, s340, sdk 15.3.0
I made my app_error_fault_handler. It is very good for me.
I sometimes got an error. So I saw that log...
I didn't change the sample code. Why does the build fail?
1> Compiling ‘main.c’ 1> ../src/main.c:60:28: error: 'DT_ALIAS_LED0_GPIOS_PIN' undeclared here (not in a function...