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'm following the Custom BLE Service Example , and using:
Segger Embedded Studio Release 3.34a
macOS 10.13.4 (aka High Sierra)
nRF52 DK (PCA10040, nRF52832)
nRF5_SDK_15...
Hi,
I am investigating an alternative to an implantable device that currently uses NFC.
The device range would only be about 3m and the data would only be transmitted...
this packet is capture by wireshark .I use nrf51822 and sdk12.3 connect Balance car,but the packet not have LL_VERSION_IND, LL_FEATRUE_REQ、and LL_Connect_UPDATA_REQ these...
Dear Nordic Team,
Thanks for supporting.
now i am workwith secure dfu. I followed this link https://devzone.nordicsemi.com/b/blog/posts/getting-started-with-nordics-secure...
hello
I am just starting to use the nrf52832 .
I design the PCB with nrf52832 and want to load the softdevice.The nrf go studio can not detect the nrf52832, but the keil...
I was facing some issues getting PWM peripheral work on my custom nRF52840 board. And then I tried the pwm output on P0.08 instead of P0.06 and the signal came out just fine...
We're developing a new device for a regulated market (medical). As such, we need to have control on what third-party software we're using, and how it is working. While starting...
I wanna implement this code for the app inventor, but there was several problem here. I can't use array or index for developing my trapezoidal method.. like this..
code...
Hi All,
We have build a BLE beacon device based on the nrf52 chip. The device works fine but we would like to get a finer control over the TX power since it is used for...
compiled nRF5_SDK_15.0.0_a53641a\examples\ble_peripheral\ble_app_rscs example but will fail on adding chararteristics in char_add() setup: SEGGER Embedded Studio for ARM Release...
Hi guys,
I am trying to use a TM2001 amplifier ( Taiwan Microelectronics, google returns the PDF) to amplify the signal from an nRF24L01P.
The TM2001 seems to accept a...
Hi.
I want to create Bluetooth mesh network and I need that each of device at first must be provisionee, but if in a minute it hasn't been added in a network by provisioner...
Hi
I was designing a custom board for nrf52832. The 32MHZ crsytal mentioned in the refrence design of nrf52832 is not available on digi key. So I am ordering the below given...
Hello,
I have a string data and I want to get a part of it which start for example with "hello" and I want to get 20 characters after "hello".
(for more details I'm using...
in the demo of EnOcean switch translator client,there is just enocean_switch_nrf52832_xxAA_s132_6_0_0.emProject .is it use the same demo as client in the example of light...
