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...
When calling nrf_drv_twi_tx() once like in the snippet below it works, but when the function is called two or more times sequentially, it fails. However running a nrf_delay_ms...
With respect to Softdevice versions SDK_14.2.0_17b948a and SDK_15.0.0_a53641a
I have a question about softdevice function:
sd_ble_gap_lesc_dhkey_reply()
and its parameter...
Hi Sir,
In this project, we design w/ nRF51802-QFAA (Flash: 256KB, RAM: 16KB) and developed the application and bootloader through the nRF51-DK (pca10028).
We can test...
Apologies if this is a duplicate post:
I am successfully making nRF example apps in nRF5_SDK_12.3.0_d7731ad using GNU Tools Arm Embedded version 7 2018-q2-update in Windows...
Hi,
I want to use both UART0 and UART1 at the same time, and run the testing example from https://devzone.nordicsemi.com/f/nordic-q-a/25173/nrf52840-uart1-not-working-in...
Hello,
Using two nrf52 Dev Kit boards for Central / Peripheral. Using Softdevice S132, , peer manager and Segger on Win7.
I have modified ble_uart_and ble_uart_c using...
Hi,
I have downloaded the nRF5_SDK_for_Thread_and_Zigbee_2.0.0_29775ac and try to compile the zigbee_light_switch_pca10056 example under segger embedded studio and I have...
We are developing a standalone application. The bulk power is provided by LiPo battery, which can vary from 4.2V to 3.0V as the battery discharges. I have the system connected...
I recently added bonding and authentication to my application. I have two characteristics with CCCDs and they are both broken. One characteristic is "protected" (requires...
Is there a standard/spec for the UUID used for provisionee devices?
I don't see anything in the mesh examples that indicates a standard UUID format is used.
It allows...
I am using an nRF52 DK with Soft Device 6.1.0 on a Windows platform.
I am trying to add a new BLE Service and calling function sd_ble_uuid_vs_add() but get NO_MEM error...
I am developing three different projects for the nRF51822 using SDK 12.3 and the app_uart_fifo code module. Details of the projects are as follows:
Project 1 - implemented...
I am attempting to run the mesh Light Switch example with a provisioner, client and a server in debug mode using the Segger SES. I am attempting to debug the server code on...
Hello everyone, the sdk version that I use is 15.0.
I'm trying to connect my nRF52832 (master) to an external SPI slave memory (N25Q) to write and read data. The problem...
Hi Everyone,
RFX2411N is used to extend signal coverage of NRF51822. Here are the configuration below:
Use radio notification to generate an interrupt
Use this interrupt...
