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, everyone.
I've developed a custom board using nrf52832. I tested it and found that CPU core, GPIO and other peripherals work well, but BLE doesn't work at all.
I ran...
Hi,
Raspberry (SPI Master) -> NRF52832 (SPI Slave)
The code below execute event_handler of SPI with NRF_DRV_SPIS_XFER_DONE type. But RX buffer is empty. All bytes are...
Greetings,
I'm in the process of choosing a nRF52 module. I know of this link for the various modules www.nordicsemi.com/.../3rd-Party-Bluetooth-low-energy-Modules.
I...
Hello, I've been trying to get directed advertising and auto-connection working on an NRF51822 peripheral.
I'm using SDK V11.0 with SD130 v2.0.1
This is the scenario...
Hi,
I used the code ble_app_uart_c on board 10028 as a base for my custom board.
My board is nrf51822 QFAA based so I changed all occurances of nrf51422 to nrf51822...
Hello,
We are trying to communicate to this board ( www.adafruit.com/.../1697 ) that has nRF8001 at its core.
Unfortunately, our TX is only able to output BLE 4.2
...
I'm running on nRF51822, SDK 8 (not totally sure, I inherited the project), SD130 and mbed.
I've tried and failed with my own code to use pstorage.
I'm now trying a...
Hi. I'm using nRF51822AC, SDK12.2.0, S130.
The size of "s130_nrf51_2.0.1_softdevice.hex" in SDK is almost 300KB.
But chip's flash mem size is just 256KB. It's bigger than...
How is it used? And why to use it?
static nrf_saadc_value_t m_buffer_pool[2][SAMPLES_IN_BUFFER];
instead of
static nrf_saadc_value_t m_buffer[SAMPLES_IN_BUFFER];
Hi team,
we are doing project called indoor navigation using beacons.To get the good RSSI signal strength,in which position should i need to place the beacon. Can any one...
Hello,
I tried to flash an application to the nRF52832. First I flashed the softdevice, after that I flashed the bootloader and next the application.
The application...
We were doing various tests using PCA10040.
Then suddenly I can not connect to the PCA10040 board.
In the boot loader mode of PCA10040 board, connection is made.
What is...
