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...
Hi everyone,
I'm working with a nRF52840 dongle. I need to add to the CDC ACM example two bulk endpoint IN. My purpose is to realize a firmware that allow real time data...
I have built several examples in nRF Connect SDK on MacOS and they seem to work OK.
Now trying to build the udp example
I have left the configuration as it was.
I build...
For our user experience, we would like to get rid of the "Bluetooth Paring Request" pop up in iOS.
The device just needs to connect with the iOS device, and should not be...
Hello, I've been tinkering around with the BLE Advertising tutorial on my nRF52840 Dongle (using SoftDevice 140) and I have a question:
How do I configure the dongle's user...
Hi
I have some question about ESB
1. If the noack bit of dynamic payload is set to 0 and transmitted.
Ptx doesn't switch from tx to rx to receive ack?
And prx doesn...
Hello
I use nrf52832 and lithium battery (3.7v, 140 mAh).
I can read the adc value of this battery through the charge IC. I monitored the adc value while charging the...
I find that the nrf52840DK offers two UART function, and when I running the nrf5_SDK/example/peripheral/uart program, there has only one UART configuration example. Can I...
Hello List,
I have a use case where i need to control 2 DC-motors using a PID-controller. The system is to be controlled via BLE, using a nrf52840 with softdevice S140....
Hi all, I am trying to use the nrf52840 dongle with wireshark, I was having permission errors trying to open the device in the program section of the nrf desktop suite running...
Hello,
we think about using an nrf52820 for a multi role solution. I know from the Compatibility Matrix that the S140 is supported and qualified for the nrf52820. What...
hi,
we are trying to add third sensor to the multi sensor example , new sensor is of type binary_input (0x000F) ZB_ZCL_CLUSTER_ID_BINARY_INPUT.
We are unable to subscribe...
I use nRF Connect for desktop / Bluetooth Low Enery Apps + nRF52840-DK.
When run 'start scan', In rare cases, very small RSSI values (-103dbm, -104dbm ...) may be reported...
I have brought nrf52840 preview dk ,it is not getting detected by the computer nor its power led getting light up. Last code i tested on its was blinky.
I doubt it has any...
I have a custom board that I have programmed using the UART_BLE example. The code executes and I know I am advertising since LED1 blinks meaning it is advertising but for...
