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 want to use nRF52840 BLE with STM32F745ZG microcontroller and using atollic studio for coding. is it possible to use nRF52840 with the microcontroller? if it is possible...
I'm using SDK 15.1, nRF52 in custom units, toolchain GDB, addr2line
A little background -
We use System off mode and then use a button press to come out of it.
Before...
After doing a detailed review for the datasheet for nF51822, I can find no input leakage current specification for the digital inputs or ADC inputs. Where do I find this specification...
Hello,
for current consumption measurement of our PCBs, I created a special software. This software does boot up, puts SPI FLASH in power down and go to sleep forever. All...
Hi, Sir:
I am using nRF9160 for development, I would like to complete a COAP client,so I need to refer to ......./nrf/samples/nrf9160/coap_client. I installed NRF_Connect_SDK...
Hello, LTE-M modem firmware version 0.6.8-131.prealpha released which have a big advance.
Did the NB-IoT modem firmware which aligned to LTE-M 0.6.8-131 released?
Which...
Hi i am using ble_app_uart example in sdk 15.3.0 as far everything is fine even i added a app_timer for about 20 sec to advertise again but the problem is when i power up...
I'm trying to use the new ble_advertising_advdata_update from SDK 15.1 by doing
but I get NRF_ERROR_INVALID_ADDR
What do I need to do to get it to work?
Hello,
I use an nRF52840 that I program with Segger Embedded Studio. I am using J-Link driver version 6.44f.
When I want to connect to J-Link I get the following message...
Hi, all! After updating all libs can't flash. Have this error: Tested also with asset_tracker sample. Using runner: nrfjprog nrfjprog --ids Flashing file: /home/ilya/projects...
Hello Dear support,
Please help me with the error. I understand from the documentation that 0x11 err_code for nrf_drv_twi_tx() means invalid data. But I dont understand...
Development software:
1. SDK 12.3.0
2. 51822 module
3. GCC
Computer platform：
1. OSX
Hardware version:
51822AA
Description：
I used the original hex in the...
Hi,
we are developing on the nrf52840 using SES and SDK 15.0. This is a custom board. Softdevice is s140_nrf52_6.0.0_softdevice.hex
We are sampling distance with vl53l0x...
Hello,
I use the SDK15.3.0.
(nRF5_SDK_15.3.0_59ac345 -> example -> ble_peripheral -> ble_app_uart ->pca10040 -> s132 -> ses)
The default baudrate of uart is 115200bps...
I used SEGGER Embedded Studio ARM 4.16 to by mistake program a NRF52-DK PCA10040 with a PCA10056 example from your SDK collection. As a result, I now persistently get "Failed...
