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 am using Nordic nRF52840 SoC with nRF5_SDK_15.2.0_9412b96 (SDK) and S140 softdevice. I tried to set Tx power to +8dbm using
rc = sd_ble_gap_tx_power_set (BLE_GAP_TX_POWER_ROLE_ADV...
I am currently involved in developing a product that is using the nrf52840. The product needs to keep precise time across a wide range of temperatures, which is why a 32Mhz...
Hi,
When I try spi commnucation with sensor on nrf52840 (using Mbed OS with SDK14.2), it stuck to nrf_spim_task_trigger (p_spim, NRF_SPIM_TASK_START); while spim_xfer is...
Hi,
I am trying to increase the sampling rate of the motion sensor on a Thingy:52. I managed to update the firmware and increase the BLE_GAP_ADV_INTERVAL_MAX from 200 to...
I am using softdevice s132, nRF52832 and SDK 15.3
This happens every time I connect the RX line.
This is an application where I implement UART with the HRS application...
Hi,
I am interested to know how to make a mesh node (for example, a light server) compatible to perform a DFU.
I have gone through the DFU page and I noticed that the...
Hello.
I am about to receive the Uart service for the Nordic SDK Central and peripheral.
I Use nrf 52832.
In the peripheral example, we used 'ble_nus_data_send'...
Hi,
I am using nRF52840 Enineering C chip on a custom board using SDK v15.3.0 with SoftDevice v6.1.1
I have modified the Blinky Central code and the Blinky Peripheral...
Hi. After my nRF52832 peripheral connects to an android / iOS, I am trying to read the MTU size that has been negotiated with the following code;
current_mtu is being...
The NVMC writting functions hasn't return values,
void nrf_nvmc_write_bytes(uint32_t address, const uint8_t * src, uint32_t num_bytes)
Does it mean that all internal...
When nRF52840 P0.09 / P0.10 are used as GPIOs, the datasheet indicates they can be used for "low frequency I/O only". What is the frequency limit on these pins? Would it be...
Hello everyone, I come from taiwan.
I modify ble_app_multilink_central connect 8 heart rate watch to nordic nRF52832 board.
but i don't no how to create whitelist ,causes...
Hello, I am writing code for Nrf52832 using Segger Embedded studio. I want to store the data received from BLU NUS into a variable for further processing. So how can I store...
