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 Have attached my project which is an SDK 15. project, starting with the simple twi sensor project and including some functions calls from gpio from SDK 14.0, porting gpio...
Hi,
The following is the guide under this ticket: devzone.nordicsemi.com/.../where-i-can-find-the-example-of-usbd-dfu-for-pc-side
Terje said "you can use nrfjprog with...
Hello everyone
The following warnings and errors occurred
Warning[Pe223]: function "sd_flash_write" declared implicitly D:\ZIP\nRF5_SDK_14.2.0_17b948a\nRF5_SDK_14.2.0_17b948a...
Hi I am developing on Adafruit LE UART Friend ( https://www.adafruit.com/product/2479 ) platform. Compiler: GCC 7.2.1 IDE: NetBeans NRF SDK: 12.3, SoftDevice S130 Debugger...
Hi,
I am trying to interface ESP8266 WiFi Module: https://www.amazon.in/OLatus-ESP8266-Wireless-Transceiver-Raspberry/dp/B072BG8LW1/ref=sr_1_1_sspa?ie=UTF8&qid=1531738374&sr...
Hello-
I am working with the nRF52840 with the 14.1 SDK.
I am using the 15.4 UART example and currently only data_ack is enabled. I am hoping to add poll_data and poll_ack...
I would like further clarification on nRF52840 Errata 179: RTC: COMPARE event is generated twice from a single RTC compare match.
I am creating a sensor system that needs...
Hello,
We designed an antenna for our new product and we would like to have your feedback on it before making the prototypes. Below is the design
The dxf file...
Hello everyone! I'm new to bluetooth mesh or even to C programming and i don't understand the following: I want to send messages over Bluetooth Mesh from an nRF52840 to another...
I tried to install the CDC driver using nordic_cdc_acm.inf in the DSK15/examples/usb_drivers directory but the installation does not work and I get an error message when selecting...
Hi,
I tried several examples on nrf52840 dongle. Each one works well except usbd example. It hangs at the following code:
After investigation, the following simple...
Hi to all,
i am developing a device with nrf51822 and i want use it as a peripheral device, i want to write 4 packet per connection interval on noti char. i am ok with one...
