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,
I am using NRF52. i have custom board on that external flash and SD card is not available. i want to use msc class so that i can drag and drop file and read it in controller...
Suddenly my app, running on iOS 7, is reporting lots of spontaneous disconnects by the peripheral device, an nRF51822, indicating a timeout:
didDisconnectPeripheral: Peripheral...
Hi !
I added " Read Characteristic" in NUS.
How can I get different values every time I click "read again"? For example, read the value of a varying ADC from here. ...
I am investigating increasing throughput in our application. Upon investigation both with our software and the ble_app_att_mtu_throughput example code. I found that there...
Hello! I want to develop such a functional: nrf52840 receives a line from my application that it saves to memory, and then, when I click on the button, it returns this line...
Peripheral: nrf52832
Central: nrf52840
The communication speed after executing sd_ble_gap_conn_param_update is different in the following two cases.
case 1:
...
Hello
I am trying to do BLE communication using nRF52832. I wrote the exact same program on a module (BLENano2) with the same nRF52832 chip, but one was able to do BLE...
Hi.
- Is it the case that before every write to persistent storage via nrf_fstorage_write, the page written to has to be erased first (via nrf_fstorage_erase) since only...
I have used nrf51Dk with nrfPPK before some days now trying to flash nrf51DK but its not detecting any board I tried to recover but not recovering it I have already added...
Hello,
I am using nRF52840, SDK_16.0.0, S140 SoftDevice and Segger 4.16 for flashing the image.
1) For Secure Serial bootloader in below path, I want to change Tx...
Respected sir/mam,
Our system interfaced with nRF51422 and code is developed by S310 ( path :- nRF5 SDK 9.0.0 -> examples->multiprotocol ->ble_ant_app_hrm -> pca10028->S310...
Hi Devzone!
I'm using saadc to receive the value from analog sensor.
The power consumption is quite high so I wanna set the saadc's iteration cycle to 1 hour. Once...
Hi All,
I have a problem when enabling the NFC tag t2t with the soft device S140 with 52840.
I can run the NFC example project 'nRF5_SDK_15.3.0_59ac345\examples\nfc\record_urlrecord_url...
Hello,
I tried to build the SDK ble_app_beacon example for nRF51 using SES. SES version I used is V4.12 (for Windows 64 bit) and SDK version is 12.3.0.
I closely followed...
