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 migrate to SDK15.0 (from 14.2) for the nRF52_DK and nRF25840_DK. Using the new nrfx_rng.c driver I'm getting a link error as a few functions can't be found:...
Hi,
I'm using nRF52840 with mesh 2.0.0 and started from the light switch example to build my own application. I have now 2 type of boards master (client+provisionner) and...
Dear Nordic Team,
Thanks for supporting.
currently i am working Single channel scanning with ble_app_uart_c example. In continuous scanning missing beacons. Please support...
Currently, in my application, any iPhone can attempt to read from one of my protected characteristics and initiate the bonding sequence. I have it set to "just works" mode...
Can anyone tell me if there is a specific problem on the nFR 51 using the 12.3 DK, where a disconnect is seen when it connects? I'm using Android Lolipop 5.0 on a BLU device...
Hi,
Im migrating from SDK8 to SDK12
app_timer crashes
Debugging at app_error.c shows m_error_data to be :
softdevice, pc 0x000104AE, fault ID 0x00000001 error_info...
Hello, trying to understand how to replace just the bootloader and s112 SD (app not installed), presently getting Insufficient resources.
First, mergehex -m softdevice.hex...
Hi,
Has anyone attempted to first transfer the entire image package to the external flash over BLE and then use a background DFU library to transfer from the external flash...
Hello,
I've got a NRF52840-DK development kit and tried to configure it with a ATT MTU size of 512 bytes (larger than 247 bytes). I've activated data length extension and...
HI all,
I'm trying to get the Thingy Mesh Demo v0.1 working on my Thingy's. I am using the same SDK version as used in the demo ( Nordic nRF5 SDK for Mesh v1.0.1) and I...
I was able to follow the "quick start" guide for Mesh DFU and got things working with 3 nodes.
1 node (the serial host hooked to the PC) was programmed with:
bin/softdevice...
Hi to all,
i am developing a device with nrf51822 soc. i am using nrf51822 custom board, my board is https://pl.aliexpress.com/item/2V-3-3V-NRF51822-Bluetooth-4-0-Wireless...
Hi, everyone.
I am currently doing research for our new project - IoT alarm system for smart home.
One of requirements is Wi-Fi / BLE combo chip / module . Multi-protocol...
Hi all,
in Central mode I would like to retrieve the list of all the devices present.
I have developped a litle USB dongle, and I need to list alls peripherals, but after...
Hello,
I am using hardware PWM on NRF52832 in order to drive a MOS. I found something unexpected with the rates. i understand the PWM rate is determined by the clock divider...
