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 fafs example from SDK 15.0.0
It was possible to write to the SD card by SPI communication. However, using SanDisk's 32GBSDHC, it became impossible to write...
Hello
I have both mai.c and app_sdcard.c "static const nrf_drv_spi_t spi = SPI_INSTANCE (spi_instance);" Want to use .
So using "extern"
main.c
app_sdcard...
I have already developed a beacon with nrf52840, but now I need to detect it with another nrf52840, but my problem is taht I need to use less power as possible, so I need...
Hi guys, after building and running a mesh network i've been wokring on, i ended up with an error
im wondering where i'd be able to find the mesh error table.. i can't...
I have custom board with BMP280 sensor & nrf 52832.I have interfaced BMP280 using twi interface. I am using SDK 15.2.0. and soft devices s132 V6.1.0 to transmit advertising...
We would like to achieve following:
Only peripheral devices should advertise data toward only central devices in the same application.
advertising data by peripheral...
Greetings! I'm trying to set up an nRF52 board as an SPI slave so that it would receive chunks of data irregularly from the master device (a Raspberry Pi in this case, if...
Hello,
I would like to know how to implement middle button click in hid mouse, by middle button click i am referring to scroll wheel click and the function associated with...
Hello!!
Is UICR.CLENR0 register disabled on nrf52SoftDevice?(only nRF51Chip??)
When writing with nRFgoStudio("Enable SoftDeviceProtection" CheckBox is on), the firmware...
Hello,
We are trying to build asset tracker based on a modification of board nrf/boards/arm/nrf9160_pca20035.
Every is good until we tried to enable secure bootloader...
Software : C / GCC - SDK 15.0.0 - SD140 6.0.0 - building on multiple platforms. Hardware : nRF52840-DK (Q1AAC0) - and secondary testing on custom board using the Fanstel BT840...
I have been at this for a few days now, I have had a number of compilation errors that I have had to work through and find solutions for, but I am stumped on this current...
I'm trying to use the low-power comparator.
I've started up the comparator using "lpcomp_init()".
Following that, I wish to have a sample event, and then log the result...
I am trying the example here: https://infocenter.nordicsemi.com/index.jsp?topic=%2Fcom.nordic.infocenter.sdk5.v15.0.0%2Fble_sdk_app_att_mtu.html
I want to lower the sleep...
