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,
This may be a simple question, but I've gone through the infocenter and am still a little confused. I'm designing a PCB on which I'd like to have an nrf52840 that can...
Hi,
I recently purchased the nRF9160DK but cannot connect to o2's LTE-M network using the iBasis SIM, following the instructions given here: https://www.nordicsemi.com/Software...
When I trap an error in app_error.c in app_error_save_and_stop,
I mostly get a filename, line number, and an error code that I can understand.
However, sometimes I...
We are looking for a freelancer who can help to build a simple Proof of Concept of a load cell (strain gauges) ADC (HX711?) and the nRF52 development kit (810).
Objectives...
Central and peripheral is pairing and bonded. Central scanning with whitelist, if Slave is not online, master scan with whitelist will enter error when more than 30 seconds...
I'm using whitelist when bonded, but I want delete bonded then connect to anther device,.
But when scan again, whitelist_load is error. Try delete whitelist at the same...
Extended corruption occurs if DMA transfers for commands and data originate from the same RAM bank.
It is avoided if transfer of command bytes and transfer of data bytes...
Hello,
I ran into this list recently: https://infocenter.nordicsemi.com/index.jsp?topic=%2Fcomp_matrix_nrf52840%2FCOMP%2Fnrf52840%2FnRF52840_ic_rev_sdk_sd_comp_matrix.html...
Hi,
I'm using two nrf52840 Dev Kits and am trying to test out the ATT_MTU throughput example with SDKv16. Whenever I program one of my boards I get repeated fatal error...
I am pulling my hair, literally , I just can't get this company !
I am working with 4 IDE's in parallel and none of them has this stupidity .
I right click->add a new...
Background
I intend to use an nrf52 based board in remote inaccessible locations. It is important that I can always recover from a problem. As such, I want to use the watchdog...
Hi，
In the 07-5123-07-zigbee-cluster-library-specification specification, I see clusters that support CO2 and HCHO, but I did not see any definitions of CO2 and HCHO (cluster...
Hi,
I'm working with NRF52832 which operates on battery in low-power mode.
The unit samples and transmit data (via modem) 2 times a day.
After few weeks / months of...
I have written a UART driver that is intended to receive data in a continuous stream. I know it basically works as it is able to communicate with an external device at 115...
