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,
We are using SDK 14.2 with s132 v5.1.0. Reviewing the changelog for newer versions of the SoftDevice, we see:
"Fixed an issue where the application might not receive...
Hi guys,
I am trying to get the PWM rocking. Everything works, but as soon as I define a nrfx_pwm_handler_t in the nrfx_pwm_init, my system crashes with the following error...
Hello Nordic Team,
We are developing a wearable device. We noticed spontaneous BLE disconnections every 1-2 hours. The error code is BLE_HCI_INSTANT_PASSED. I have checked...
We are starting a new wearable device design which will be worn by the user on the chest. We are looking forward to use NRF5340/NRF52840 based modules. The final design is...
hello together,
I would like to use this chip nRF9160-SIAA-B1A-R now only as LTE modem. But the modem should be controlled by two external MCU. Please see figure.
...
Hi support team,
Our purpose is to provide the modules to our customers. We have developped the hardware module based on nrf52832. Now we want to test the BLE mesh functionalities...
I used VDD channel to detected battery voltage, and the P0.5(AIN3) connect to a LED, But I found that after initialize SAADC, P0.5 cannot control output.
Hi Nordic
I have some questions regarding switch to Application on custom address.
The memory layout in flash is like this:
0x00000000 - MBR 0x00000000 - softdevice...
Hi, I am new to the nRF Connect extension in VS Code and I am having trouble including dealy.h header file to utilize a DelayMs() function. I found the delay.h in the sdk...
I am advertising some data, my hardware is minimum and there are no external interrupts.
1. How do I wake up after entering power save mode with __WFE(); ?
2. I also want...
Hi ,
I want to use above PMIC for Gotek tracker. But I have below questions:
1. Due to the IO limitation, can I use static high or low to configure the chip with VOUTB...
Hello,
We are working on a product that has UART and SPI integrated. We initialise the UART and the SPI at the beginning of the code and everything works fine.
However...
I am using the nRF52840 and the pair of Nordic BLE UART Demo projects ble_app_uart_c_pca10056_s140 and ble_app_uart_pca10056_s140
Please can you tell me how to change the...
Hello all, Currently I am developing a code for a BLE central device that is supposed to receive data from a weight scale (peer). The peer has a service with a custom 128...
Dear friends,
My 52840 DK flashed a serial example(nrf5_SDK_for_Mesh_v5.0.0_src\examples\serial) as a provisioner.
Now, I want to factory reset my provisoner by PyACI...
