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...
I'm trying to have an nrf51422 using S210 go to sleep and wait until it gets a signal from another ANT device to wake up. The other ANT device (master) will not always be...
Howdy,
We're gearing up to program about 4,000 nRF51822s. They'll get the BLE version of DFU plus a stable version of our own code. For future production runs, we'll likely...
I have a fairly mature product based on the nrf51422_aa with soft device s310 version one using the GCC toolchain. I recently ported the design to the latest SDK (9.0)and...
My application currently uses 2 nRF24LE1 for communication. I am porting over one side to the nRF51822. My first step is just trying to send out packets from the nRF51822...
Hi,
Is there any documentation where I can see the exact meaning of the following properties related to Bluetooth Smart support on Android?
-Native HID supported
...
I am trying to communicate with a SPI peripheral acting slave to the nRF52 master. I am using v0.9.1 of the SDK, the example is called spi_master, with the uVision project...
Hello,
I have modified the nRFUART App for Android in order to connect and receive notifications from two different radinos nRF8001.
There is no problem to establish the...
Hello everyone,
I am encountering an issue that i have downloaded the ble_app_gls example after that it asks me ato enter password i have entered the passkey: as a password...
I'm working with a BLE central device using S120 which is base on ble_app_multilink_central source code.
My problem is that I cannot connect to the peripheral ble tag device...
Hello all,
Before making deal with advertising in my project I read the tutorial and it helped alot.
I need to develop application with 2 cases.
In some way I prepare...
Hi,
I've finally managed to create a functional app for nrf51822 dongle which sends and receives data via BT and UART.
But, I have low transfer speed over Bluetooth...
hi all:
Recently, I develop with nrf52832, the softdevice is nRF52_SDK_0.9.0_0c82e3e.
We want modify the example \nRF52_SDK_0.9.0_0c82e3e\examples\ble_peripheral\ble_app_hrs...
This should be simple, but I just can't get it working.
Many examples show setting a flag before calling the pstorage clear/store/load functions and then looping, waiting...
I use spi_slave with SDK 9.0.0. SPI slave is working, but there is some current leak when it become system off mode. I think the reason is that MISO is HI-Z at that time....
