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 am using nRF52 DK with s112 and SDK V15.2.0. I have written an application based off of the uart example, and expanded it rather substantially to use the SAADC and read...
Hi,
I'm trying to create my switch_event by using Event Manager.
And I got this issue: "undefined reference to `__event_type_switch_event' " when submitting my event:...
Windows 10, Segger V4.52c, S132, SDK 15.2.0, nRF52832
I've been through a few posts talking about needing more RAM allocated to the SoftDevice when other services are added...
Is it possible to generate a DFU package for both bootloader-only and fully-programmed (bootloader, softdevice, and app) chips? I'm unable to do so for an nrf52833 using nrfutil...
Converting old code for a nRF51822 to the new SDK(15.3.0) for an nRF52832, this error happens:
#error "Compiler generates FPU instructions for a device without an FPU (check...
Hi all,
After wasting so much time trying to set up simple peripheral device whitelisting single central device, I realised that API has been updated and those old examples...
Hi all,
Can I read the chip ID of NRF24LE1 in code? how can I get the ID?
Or is there any readable identifier that make each chip "unique" from each other? Because the...
My team is developing a bike power meter, so we are looking to shrink our PCB design as much as possible. We are directly measuring force using an array of strain gauges....
I am trying to run the example of generating a random string from MBEDTLS website , below is my code , before running this code I have done the following changes.
Set MBEDTLS_CONFIG_FILE...
I have the problem to dfu nrf52833 over usb for a long time, I first have the problem cannot flash when start from a S140 BLE DFU example code, https://devzone.nordicsemi...
I am working on usb dfu for their one of the new chipset. but there is some issue, I keep trying different things and post on the ticket, but just no one responds. the sdk...
I have a feature request for the user_definitions.json file, which can be used to name custom services and characteristics in nRF Connect.
Any plans for adding more functionality...
Hi,
How can I develop my dongle to connect to devices with the name "device X", where X is a variable that can be 1,2,3,....
For example I want the dongle to connect...
Hello All,
I was interested in exploring the nRF52833 and didn't want to spend the money on a nRF52833 DK. Well I guess most of you can guess how that goes.
I purchased...
