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...
Can somebody help me out the reason behind below failure on thingy 91. I am building asset tracker example using west on command line. Following is the logs that i got after...
Hi,
I am working on the Thingy91 and trying to set up an event when the USB power state changes (USB cable w/power is plugged or unplugged). For now I will just blink...
Hi,
I changed the softdevice on the nRF52833 light client example from the S113 to the S140, but the program
hangs at startup before even enter the main loop (catched...
Hi ,
During the review, I came across the certification question. After some reading, I found some details.
This got me worried because it looks like it is a difficult...
I have found the example using nRF52833 in the latest SDK (ble_app_att_mtu_through....)
I am using Keil uVision 5.29.0 and I have downloaded the software packs 8.27.1, 8...
Hii,
Our input voltage to nrf52840 is 2 volt, we want to know whether 2 volt will be detected has low(0) or high(1) or undetermined state.we are using gpio pins (1,10) and...
Hello,
I'm considering writing BLE relay application, where central side should bond and encrypt connections (cause sensor device requires it and will not function without...
I'm trying to get the most performance per mA out of my nRF52, for test purposes I've used the nrfx libraries to communicate to the peripherals but I want to make my own....
I want to add a global variable that would increase every time the timer handler is called. I can't get it to work with static, volatile, or even pass on as variable. the...
Dear all,
I am very new to BLE developments and Nordic product, I have purchased the nRF52840 dongle to have a feeling on the product ( I understand I should get the nRF52840...
I have below queries Regarding Secure Boot and DFU:
1) Is the secure boot functionality available in nRF52840, if available please provide the procedure for doing it?
...
Hello, guys!
We are excited to start a new product prototyping by using Thingy:91 board. Consequently, I would have a few questions related to Thingy:91 configuration...
Based on sdk15.3, adding the 0x2902 descriptor to the rx characteristic of the ble_nus service resulted in an NRF_ERROR_FORBIDDEN error.
My code is as follows:
ble_add_descr_params_t...
Hi,
I'm using S112 v6.1.1 with SDK 15.3.0 on nRF52810.( I don't use bootloader )
I tried to search examples for using fstorage api on it.
But I couldn't get anything...
