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 all,
Can I do something like this:
The SPI master sets CSN line low.
The SPI master sends multiple packets. And the total number of bytes exceeds the...
I want to transfer data collected in my nrf52DK to nRF51 dongle at regular intervals. Right now I can use master control panel in PC to receive the data. Is there any way...
I am using the bootloader from github here to upload DFU over-the-air using an android phone. It works fine for bootloader and application uploads. But if I upload the softdevice...
I'm looking for a radio module for a harsh environment (steelworks furnace)
The module has to work at high temperature 80°C and must transmit 16bytes every second at a distance...
I use nRF51-DK and nRF51-Dongle for a BLE sniffer.
Always the sniffer fails and marked with an error "Encrypted packet decrypted incorrectly (bad MIC)".
It can not be...
Hi. I'm using PCA10028, SDK10.0.0, S130.
Recently I'm testing SYSTEMOFF mode.
Unfortunatly My board is not operate now.
KEIL can't connect PCA10028 baord any more.
Here...
i use a ppi channel 0 to connect timer2 and adc,when timer2 compare event happen,the adc task start begin.then,in the adc interrupt handler,i read the adc result into the...
It seems that many people use GCC toolchain (with "high" setup effort) for utilizing SDK in C++ development.
It should however be possible also on Keil with less setup effort...
I am currently using version 'NRF D 8001 1429SH' as printed on the nrf8001 IC
I have already managed to successfully bond with an android phone and completed the ReadDynamicData...
I am trying to migrate from using an earlier chip, the 8001 over to nrf52832 because we want to utilize new ble 4.1 features. The issue is we have another micro that was a...
Hello, i did not find any solves and i want to ask you are , how can i change my data in advert packet? I tried to do it from TIMER interrupt without advert time out and with...
I've been trying to import this NRF51 Eclipse project for a few days now, but no success.
github.com/.../HomeKit
I've tried to closely follow the steps outlined in this...
Hi all,
I have a PCA10040 board and want to try the BLE examples provided in nRF5_SDK_11.0.0-2.alpha folder. However, there is always a problem when flash BLE hex files...
Hello,
I have a capricious component on my TWI bus, and sometimes my nRF52 do an infinite loop in file nrf_drv_twi.c
in this loop
while (!nrf_twim_event_check(p_twim...
Trying to connect nRF52-DK with Nexus 5 (Android 6.0.1) SDK 11 NFC HRM example
But can see this device in paired devices list. Next time i do it it never attempts to...