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...
Hi all,
i want to know answer related to following question
1)what is use of uicr?
2)if i place some value in uicr and then change the image,then is there will be change...
Hello to all
I'm working in an application that needs to be completely power optimized. In this program the device works as a scanner that if it finds an specific device...
Hi, I am wondering about the pre-made PCB's available on ebay, with a nRF24L01+. At a cost of $1, and with various forum stories over the Internet referencing issues such...
I am using NRF51422 S130. I have a master SPI configuration set up, and not using Nordic spi drivers provided in the examples. I think my configuration is correct.
1- I...
Hi,
We started out developing an application using the SoftDevice 1.0.0-3 (from SDK 0.9.2). We now need to upgrade to SoftDevice 4.0.2 (included in SDK 13.0.0).
We already...
Hello, I have some ideas to do for IoT and bluetooth. Already did some tests with MQTT raspberry pi and ESPs SoCs. Then I started to dive into bluetooth world and I found...
Hello,
I'm working with SDK 11 on nRF52832.
I want to get the IRK from a connection event. I need to identify the connected device.
My following code :
static...
I'm developing a multi-peripheral application on the nRF52832 that started from the SDK v13.0.0 experimental_ble_app_multiperipheral_pca10040_s132 example application (running...
I have two nRF52840-pdk's and two laptops. I was thinking to send test strings using the following Basic setup:
laptop1 - usb1 - pdk1 ....(coded PHY transmission)....pdk2...
I was able to write the code and put it to work on AN5 pin , and I found out that whenever I approach to the DK board he see it as a touch.
I connected to the pin a 10cm...
Hello all,
I am trying to make use of some Adafruit libraries for some sensors in my nrF52pca10040, the libraries are these two Adafruit_BME280.cpp , Adafruit_BME280.h...
Hello
In a schematic I saw the "SWO" connection appear on the Programming/Debug connector beside SWDIO and SWDCLK.
What's it for?
Of course it means "Single Wire...
I want to increase ble_app_uart_pca10040 app sample rate.
I have my own board with microcontroller and use nrf52832 as uart to ble.
I made pack length to 20bytes, I have...
When I start program, my program fall down to
__WEAK void app_error_fault_handler(uint32_t id, uint32_t pc, uint32_t info)
{
NRF_LOG_ERROR("Fatal\r\n");
NRF_LOG_FINAL_FLUSH...