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 community ! I'm currently working on the coexistence code between uart and BLE Mesh. I realized a code on Visual studio to connect my pc with the node and then interact...
Hello,
I am trying to modify the usbd_cdc_acm_modified example project in the SDK to do the following:
Echo the received character back to the terminal.
Get rid...
I am trying to parse the contents of a JSON packet sent from the nrfCloud connect application. The asset tracker program is working fine but I want to sent a message down...
I am using the nRF9160dk evaluation board. I need to connect to the I2C bus. I thought I had configured it properly and I am sending bytes to I2c bus on pins SDA-P0.30 and...
Hi,
I flashed example thread\cli\ftd\usb\pca10056\blank\ses contained into nRF5_SDK_for_Thread_and_Zigbee_v4.0.0_dc7186b and I measured current consumption by using Power...
I know the question has been up before, but why does the data sheet say pull up/down ?
isn't the signals always pulled up? or is there a scenario where the nrf52 would switch...
i make a project
Every 5 minutes, beacon advertising should be repeated for 30 seconds.
Using the RTC example, LED lights and turns off every 3 seconds were realized....
Hi Sir,
In the datasheet, the start up time of 32K LFXO is 0.25s.
What is the start up time of 32K LFXO at Low temperature (-40/-30/-20 degree)?
Thank you.
BRs, H...
I have successfully upgrade 2 thingy 91 with the latest modem firmware 1.2 via MCUboot, and it worked.
I then tried to upgrade the existing standard application from 2019...
The nRF9160 v1.2.0 does not respond "OK" after AT+CFUN=0 !!!
2020-05-07T12:21:07.489Z DEBUG modem >> at+cfun=0\x0D\x0A 2020-05-07T12:21:08.489Z ERROR Error: 'at+cfun=0
Hi Devzone,
I am a beginner in BLE development. I have a nrf52840-dk and want to test the ble-app-uart example in SDK-16.0.0.
I firstly use NRF connect desktop programmer...
Hi,
I recently procured a nrRF52 DK board (PCA10040, v2.0.0 with nRF52832) for our new product development activity.
I tried following precompiled binaries present in...
