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 have a BLE peripheral, that should receive larger amounts of data using a l2cap channel. The central (a MacBook) creates the L2CAP channel, the channel is purely...
Hello,
we develop an open source framework that we are currently extending to also support the BLE Mesh Access Layer Models. We are currently implementing the foundation...
I am using nrf52810, using sdk15.2, softdevice6.1.0, my application flash takes up 56KB (I used fds), softdevice: 100KB and bootloader: 24KB, resulting in insufficient flash...
Hi,
I'm try to test my nRF52833DK using the nRF connect Direst Test Mode. Even if I flash the DTM binaries in nRF5 SDK 16, the Direct Test Mode app says something like ...
Dear Sir.
I am using SPI as follows.
gpio_pin_write(dev_io, LIS2DH12_CS_PIN, false); err = spi_transceive(spi_dev1, &spi_cfg1, &tx, &rx); gpio_pin_write(dev_io, LIS2DH12_CS_PIN...
The firmware is based on the BLE UART example running on an nRF52832 with the S132 softdevice. The first batch of boards were build with the QFABB0 chip revision of the nRF52832...
I have set up APP_BLE_CONN_CFG_TAG with
#define APP_BLE_CONN_CFG_TAG 1
Setting things up in ble_stack_init exacly the way it is done in the example, but when I run sd_ble_gap_connect...
Hi,
I am using nRF52840 S140 V7.0.1. I have few queries on GPIO configurations.
Below are my PULLUP/PULLDOWN macros.
As per my understanding
1) In below settings...
/**@brief 128-bit service UUID for the Apple Notification Center Service. */ ble_uuid128_t const ble_hrs_base_uuid128 = { { // 7905F431-B5CE-4E99-A40F-4B1E122D00D0 0xd0, 0x00...
Hi,
I am using nRF52840, S140 7.0.1. I am using ble_app_blinky application.
Till now I was configuring one board as Connectable Advertiser and other device as Central...
Hello Nordic support,
I am using the usb_msc example with an SD card. When I check this example on a Windows 10 machine, I observe data transfer rate of 355 Kbps. Is it...
What are my options with nRF52840 to get from the built in USB and available SDK feedback regarding connected device in order to adjust charging power?
There are plenty...