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 guys，
I use the 51822's PWM recently, PWM is made by GPIOTE+PPI+TIMER, and the PWM source code as below(I use TIMER1, GPIOTE[0], PPI_CH[0], PPI_CH[1]， period and duty...
Hi all, I'm asking on both BLE specification version 4.0 (or more) and NRF51822 S130 about having support for multiple central connections at the same time while our NRF51822...
Hi,
I get RSSI values like -96 or -97 dBm before the coded PHY connection between two nRF52840 pdks drops. Are these values something expected? TI advertises sensitivity...
Hi, there~ Nordic's Mesh SDK is fascinating! I was thinking of a way how to connect the Internet with Nordic's Mesh devices.
From the web, you might have seen these...
Hello,
I'm working with the thread v0.10.0 sdk release and I would like to customize and add some new packages to the border router.
I see that there is a release tag...
On the BLE Secure DFU Bootloader page of the documentation, there is a typo. See ' Secude ' in the following text.
Configuration parameters
There are certain configuration...
We have certain boards having nRF51 onboard. We want to use them as sniffer. Unfortunately, pins that are used for UART on nrf51DK board are not accessible on our boards....
Dear Nordic Development community,
I have a very interesting project going on based on bluetooth speaker controls.
In short words, i'd like to control the sound level...
i am using uart communication between nordic and some device ,communication was fine upto some time but after some random amount of time i am getting uart_driver error...why...
Hi developer, I'm a beginner using Nordic. This happens because I assigned made connection rain gauge and nrf52 as custom programming using a rain gauge and nrf52. Can someone...
Hi Guys,
I am new in BLE world, so sorry if I ask stupid questions.
I have a Simblee RFD77101 and a nRF 51822 chip. I would like to connect from nRF51 to Simblee and...
Hi all:
I used code from Github to read 9 axis data with TWI. But the example in TWI floder doesn't work.
Does somebody have the same issue?
Chip: nRF51422
Board...
My board is NRF51, the SDK version is nRF51_SDK_9.0.0_2e23562.
If I want to update the sdk version to nRF5_SDK_12.3.0_d7731ad,
Does it difficult? Is the modification many...
Hello,
Is it possible to transfer a program using the "nRF USB" on the nRF52840 DK (the on next to the 4 push bottoms) ?
Until now, I was transferring the code with the...
