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...
I got an error while building the direction finding demo In nRF Connect:
../src/main.c:254:10: error: 'const struct bt_conn_cb' has no member named 'cte_report_cb' 254 ...
Im running the DMIC example on a NRF5340 custom board - uses an ISP2053 module (it's a high-quality module). Can confirm the pcb/ parts are ok. I successfully got audio a...
52833: After shutting down with nrfpower_system_off: 1. It is not possible to immediately power off and restart, and it will take a few minutes to enter the working state;...
Hi, I am working on trying to add read and write functionalities on a ble microcontroller so I can read data from the FLASH. In the process of importing some code to the project...
Hi,
The product burning function code can be connected to a cellular base station。Because we need to test the RF, burn the at client software, weld the RF transmission wire...
Hello all smart people.
Currently I am working with SMS sample and I want to toggle LED with pwm after receiving message, but I can not get sms on the "live" only after...
I am evaluating the nRF53 for an application that requires streaming audio bidirectionally between the nRF and an iPhone. Right now it seems like that is not possible, and...
Currently I am working on sleep on mode on nrf52833. The current when I measured it while sleeping was ~2u. Let me ask what the time circled in red means
Hi, I try to update firmware with nbiot. I flush
Exercise 4 – FOTA over LTE-M/NB-IoT sample in devacademy
this is my output. actually when I flush asset trcker v2 ,...
Hi.
Can you please tell me if I need to install capacitor C8 (820 pF) in my case?
My chip is written “N52820 QDAAC0 2134DE”.
I hope for your help.
Thanks.
Hi support team
Our company is processing BLE OTA through APP by ourself developing, here list some question:
1. is matter.ota be encrypt file?
2. could we process BLE...
Hello,
So I have a system that waits for an interrupt on UART, collects data in the message queue. Also waits for GNSS to get a fix and also collects data in the message...
Hello,
I am trying to connect to the MQTT broker that uses a TLS certificate and user/password. I have set the user and password fields of these structs.
struct mqtt_utf8...
I am creating a program using the nRF5340 Audio sample source. I am debugging using VSCODE instead of a script.
The bt_mgmt_init function returns error code -11.
Tracing...
Hello,
I am trying to flash the nRF9160 application(merge.hex) which is created after build in an external board. The external board is from fanstel - BLG840F.
Couple...