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'm trying to print a 20 byte array over uart before sending it on BLE. My array contains:
{0x34, 0x12, 0x00, 0xFF, 0x00, 0xFF, ..., 0x00, 0xFF}
However when I try...
Hi, i am actually working on a smart lock and i want to implement an Automatic Unlock.
This functionnality can be really useful, because the door unlock even if your smartphone...
Does the ACL peripheral protect flash from Read/Write/Erase of CPU and all peripherals? or just CPU? or do some peripherals have a privileged access? (such as the CryptoCell...
Hello,
I'm working on a project that needs sha1 hash functionality and I found this thread about the integration of openssl hmac lib:
devzone.nordicsemi.com/.../
...
Hi,
I have been working with Bluetooth mesh. The test I have been performing repeatedly polls a single node and measures the RSSI (as measured from p_message->meta_data...
Hi,
I purchased Thingy:52 I want to develop ble mesh n/w application on Thingy:52.is it possible that I get any sort of support from you in this context.
I'm trying to run the Thread DFU examples on nRF52840, unfortunately I can't get them to work. On the client, I got the bootloader set up and ready, with the client application...
Hello!
I don't quite understand how to properly link NFC tag library (nfc_t2t_lib_gcc.a) to Segger Embedded Studio Project.
Steps I did:
Add nfc_t2t_lib_gcc.a...
Hi Nordic
Do you have a message sequence chart for how to do a Gatt Client Write with response? I can only find a GATTC Characteristic Value Write Without Response in the...
We are using the nRF6707 power profiler kit to measure our EVB’s current consumption in advertising mode. We use the example app ble_app_pwr_profiling. The only change is...
Hi,
Is there any example of adc (saadc) and uart throw ble?
I want to take same measurements from fotoresistor and send data via ble_uart i found same example but no...
I have a problem in selecting inductor(L1). In NRF52832 IC datasheet, mentioned specifications of inductor L1 are: 3.9nH, 0402 high-frequency chip inductor. What should be...
I am writing a bluetooth mesh application with a server and client.
Provisioning is working, but the configuration of the server is giving me problems.
I have based my...
Above image is our design for nRF51822. Design also contains Accelerometer and WiFi (ESP8266).
My problem is, I am not able to see nRF BLE advertisement while scanning...
