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...
Dear Nordic experts,
After experiencing a lot of random issues when retaining bond information during a DFU on some mobile devices, we've decided to choose the safest route...
Dear friends,
I'm developing a prototype which use two NRF24L01+ and the auto ack and Enhanced ShockBurst only works with symmetrical data pipe address numbers.
Per...
Hello,
I want to try out the FDS according to this article .
My base project is the ble_app_uart (periph) from the SDK13 and I am using PCA10040 DK.
I enabled the...
The NDEF message is slightly different between Type 2 and Type 4. Type 4 has a 2 byte length field at the very beginning of the file, called NLEN. The NFC Type 4 example code...
Hello,
I saw that there is now serial dfu option enabled and Id like to make a serial DFU bootloader, however its a bit hard to read this Python code. Would be amazing...
If I want to use official devkits (like nRF51/2-DK) for a project do I need to test and certify them for FCC/CE?
Does FCC apply even on the software running on the device...
I just got nRF52 DEVELOPMENT KIT and NRF51822 BEACON KIT.
Can you tell me that where I can find the reference design for them and what could be the good starting point...
Hello, I am trying to program an BMD-300 using the NRF52-DK on a custom board,
The BMD300 is powered by the NRF52DK
BMD300 -> NRF52DK
SWDIO -> SH_SWDIO (pin 4) on...
Hi,
I just read IoT-MQTT example and have almost exactly the same problem but with the Publisher.
I am running a PI with Raspberian 4.4.34-v7+. I have installed mosquitto...
I am running the SDK12.2.0 ble_app_template peripheral example with RTT Logging enabled. The example seems to be running OK, but it logs: APP_ERROR:ERROR:Fatal with the ID...
Hi,
I am using NRF51822 to complete an application of multilink on one central . I tried to modify the central_link_count definition to 9 instead of 8, then I stuck on the...
Hello,
I am new on nRF51 and i would like to have a function to read the rotary position of motor in any rotary direction by adding a codewheel and a two channel reflective...
