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...
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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 working on a wireless musical instrument which requires a super low latency RF link. I previously was using NRF52810 and found that the latency was too high. The complexity...
Hello,
I'm a beginner ... I would like to connect a LoRa module (REYAX RYLR896) to send data from my nRF52840 Express to an Arduino UNO (with LoRa).
I don't know how...
Hello,
I am trying to work with the DFU examples provided with the SDK. My board is a custom USB dongle to which I need to add the bootloader. Following the steps from...
Is there a way to enable LE privacy for nRF52 DK in Bluetooth Low Energy App of nRF Connect for Desktop? I would like nRF52 DK to use resolvable private address when connecting...
hi, Im trying to read from a sensor register using TWIM peripheral on nrf52840 in blocking mode, but it wont work , doesnt freeze or anything .. just doesnt work
below you...
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I am trying to set system on mode in nrf52840 usb dongle.
This mode switched automatically by idle task, when there is no thread running.
There is no while(1...
Hello,
I m new to nordic in VS code. Bought two nRF5340 DK for ADC conversion and wireles data transfer.
Followed all Youtube install instructions "nRF Connect for VS...
Is it possible to communicate with the of nRF52840 through USB, for example using PyUSB?
If yes, is there any documentation that can help in this regard, e.g. documentation...
These are Central device 52840 settings:
These are peripheral device 52810 settings:
I use official sdk16.0. Central Project is ble_app_multilink_central...
HI,
I am designing a costume PCB of nRF52840-CKAA-R7. I used Johanson 2450AT07A0100 Chip antenna for BLE, please suggest the matching circuit for it.
Due to size concerns...
Greetings. Like some others, I recently tried to activate the iBASIS eSIM included with a nRF9160 DK and found that the SIM had expired and could no longer be activated. I...
I found that one via on nrf5340dk is different from other vias. It has an extra loop and is connected with the external copper layer. What is the purpose of this design? How...
Hi,
Firmware with changes from hci-lpuart sample code is terminating abnormally. hci-lpuart sample code is modified to call "adc_read()" method to read adc values. When...
Hi,
I am using sprintf to copy floating sensor data to a string and later copy that string in payload.
But when I do so, floating number is not copied, but rest of the...
