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 nRF52832 along with Softdevice 6.0.0, SDK 15.0.0, Chip Revision 2 (QFAA-EX0).
I need clarification if softdevice uses RTC and if so is the Errata 20 applicable...
Hi,
I am using nRF52832 along with Softdevice 6.0.0, SDK 15.0.0, Chip Revision 2 (QFAA-EX0)
I am looking into Erratas and working on the possible workarounds. However...
HI,ALL!
I use official routine development NRF52832,
NordicSDK\nRF52\nRF5_SDK_16\examples\ble_central_and_peripheral\experimental\ble_app_att_mtu_throughput\pca10040\s132...
Hey!
I'm using mesh sdk 4.0, nrf5-sdk 16.0 and run the serial example.
currently I successfully provision 2 light server with the ipython interface, and to configure them...
I am trying to do service discovery using the discovery manager library on any BLE device I connect to my central. I start the service with bt_gatt_dm_start(conn, NULL, &discovery_cb...
Is there any app available that can use to track lost/retransmitted packets and get some log?
I’m trying to find best position for a nRF52840 module with chip antenna without...
Hello everyone,
I work on a project with a custom board and e NRF52840 on it.
I work with the SDK15.2.0, the SoftDevice s140 and FreeRTOS.
The BLE function well but...
Hi,
We have a product in manufacture based on nRF4122, SDKv9.0.0 and using S310.
We are aware that this is nearly 5 years stable but are considering the options to upgrade...
I am currently working on a project based on the light_switch mesh example and am running into an issue where I'm receiving several of the following error throughout operation...
i am trying to customize my advertisement data, for that i am using sd_ble_gap_adv_set_configure API, and it is also returning error status 0. But the data what i am giving...
Hi
I dont know if this ever worked or stopped working after I updated SES to v4.5
The SES v.4,5 had no nrf support so I had to back down. (not sure why the update was...
Dear Sir,
To Nordic Dev kit, a sensor is interfaced via SPI lines. Using SPI in blocking mode (Polling).
After initializing SPI communication, 2 bytes are written to the...
nrf master control panel android app sent only one byte, while sending more than one byte gives Error 13 (0xd): GATT INVALID ATTR LEN
cant we send more than one byte in...
Hi,
I'm gathering assembly specifications for a custom PCB that uses nRF5340. I don't find any specific recommended reflow profile and solder paste for assembly. I stumbled...
Hi,
Bit of a newb question but I am evaluating the Thingy 91 dev board and would like to also connect some sensors via the SPI interface. I was wondering what would be the...