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 have written a simple program to calculate the number of retries with nRF24L01+.
On transmitter side, maximum number of allowed retries is set at 1. The transmitter...
Hi all,
I am a beginner with nRF24LE1, when I want to code some examples using GPIOs, I find that it's difficult to understand the PxCON register function. Whether I configure...
I am using the usb port to download an example project to the NRF development kit board, with Keil4. Somehow it keep telling that "No jlink device found", in Keil, the project...
I'm designing my own pcb with a IMU and nRF51422 but i confused,
What's the best choice, LDO, DC-DC or external regulator configuration if I'll use a cell coin?
Someone...
Hi,
We bought new some new nrf51822 beacon boards to get latest revision HW. Then upgraded Keil uVision to latest 5.13 and installed SDK 7.2. However I can't get anything...
I would like to use a network of nine nRF24L01+ nodes {n0, n1, ... n8} in following topology:
n0 has bi-directional links with n1, n2, n3 and n4;
n1 receives from...
Hello,
i'm using nrf51422 with gazell protocol.
Here is my interrupt on success code
void nrf_gzll_device_tx_success(uint32_t pipe, nrf_gzll_device_tx_info_t tx_info...
Hi,
I'm using two STM32F407 discovery kits with one nrf24L01+ module attached to each kit.
Here is my common init code (common for both Tx and Rx):
RF_Init(); /*...
hi:
On ios8 system, sometimes after iphone switch Bluetooth, ancs does not work,
because apple_notification_setup() is not work, but try calling apple_notification_setup...
Hi Nordic DevZone User,
i want to ask if there is a limit of devices which can be found within one scan process?
And how many connections can one master have at the...
We have two nRF51822 chips ("A" and "B") connected via GPIO pins on our board, communicating via UART using the app_uart SDK module (in APP_UART_FLOW_CONTROL_ENABLED mode...
Hi,
I found this (PCA63506) Nordic Board, which I suppose is some kind of audio interface for the Smart Remote 2. However, I am unable to find more information on this...
Q: Is qualification process simplified by some sort of NRF81522+ S110 stack BLE pre-qualification (up to GATT level, what BT SIG ask for BLE devices)?
We use NRF81522 with...
After SD initialization and turning on advertising i have to send large amount of data via SPI continuously. SPI driver code initializes SPI module after SD init and advertising...
Hi,
I have an ISP130301C chip based on the nRF51822 chip.
I'm using the jLink Segger EDU to flash the chip without any problems.
But it seems like nothing is running...
