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...
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Can any one Explain me the Following Error
GATT INVALID OFFSET in the Clinet(nrf master control panel APP)
I am getting this error when i try to send more than 23...
Hi,
we are designing a module with the nRF52832 WLCSP. As the module will be soldered on a motherboard a second soldering process respectively a thermal exposure will take...
I would like to load the blinky example on the nRF52 preview development kit. When I try to build the project I will get this error:
Error #541: 'ARM::CMSIS:CORE:3.40.0...
Hello, this question is similar to this questions (Scan request packet, answered by John DeWitt and Aryan)
I'm using
IAR EWARM 7.20
PCA10001 V 2.0.0 ...
We are using nrf51822 AB variant(16kb Ram, 128 kb flash). Due to flash size constraints we are still using s110 softdevice v5. Following is the linker script config:
FLASH...
Hi,
I have setup my system for working with nrf51822 with openOCD and STLink to program it. The blinky went well. But now when i try to program it i get the following error...
I have just concluded a three year development using TI's Tiva ARM M4 chips, writing both bootloaders and applications.
I am using an RFduino to explore BLE.
I have...
Hi all!
Today I run tests in a public place (some Art Design College) and it looks that radio environment, that exists in the place, kills nrf51 completely....
My guess...
Hello.
I want to flash DFU bootloader with keil on chip nRF51822-CEAA (256kB flash, 16kB RAM). I'm using s130
The areas i write to are:
IROM start: 0x3C000
IROM...
I was wondering if it would be possible to add an event for Service Discovery (and other similar BLE stack events) that could be detected by user applications. Per answers...
hello there i have two nrf51 dk kits. now i want that one act as central and other act as server.
i want to communicate between two. can you tell me how to do it??
i think...
hello all:
IN s310 multiprotocol--ble_ant_app_hrm example ,I open the macro BONDING_ENABLE, then i compile,there is a error
......\main.c(674): error: #136: struct ""...