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...
When utilizing the 2-wire FEM control within the Network core, is it possible to have a 3rd GPIO output slaved to these two FEM control outputs and preserve timing? That is...
Hi Nordic,
I want to use this example to learn bluetooth mesh, but I cannot find the bootloader source code used in this example.
I used vim to view this "serial_nrf52832_xxAA_s132_7_2_0...
Hey, Our custom board based on the reference circuitry in " Product Specification v1.2 ":
We have been using the B0 revision of nRF9160 so far. Now we are planning on switching...
app_twi_perform() returns 0x03 == NRF_ERROR_INTERNAL.
Reset board with button does not help.
After Power Cycle can update EEPROM successfully.
Accessing FTM buffer with...
Hi,
we have developed our working UART code according to Zephyr documentation, and its working fine,
we find that this code works with EasyDMA . but my question is my...
I am trying to scan for Bluetooth LE devices in Android with Java. Everything worked fine and I released an update and on fresh installs it does not work. I went through every...
I'm seeing an assertion failure at PC=0xa806 in nrf52840 + S140 7.3.0, while using L2CAP.
I know the most common cause for softdevice assertion failures is interrupt/timing...
Hi, I'm using nRF52805 and SEGGER. My BLE device disconnects with the mobile app occasionally. The disconnection happens randomly. In the debug mode, I see some messages....
hi,guys
I have a product that uses CHIP 52832qfaae0, and then I replaced chip 52832qfaae1, and there is A problem. Chip 52832qfaae0 runs normally with the same code, but...
Hello,
looking at the compatibility matrix for the 820 it seems that rev2 of the 820 can be used with softdevices and the legacy SDK v17, while rev3 can only be used with...
Dear Members,
I want to use SPI LCD and Sdcard, they have different CS, but sharing the same SPI ports, I have used different SPI instance but not giving us a good response...
On opening a sample project located at https://www.nordicsemi.com/Products/Development-software/nRF5-SDK with keil V5 , I can directly have an error message “Cannot read RTE...
Hi there, I'd like to make some FIR or IIR filter on my nRF52840 DK. I guess I'm supposed to: 1) Provide .a file into SES project's tree (or as Additional Input File): 2)...
I am working on OTA update .
Right now i am working simple
https://infocenter.nordicsemi.com/index.jsp?topic=%2Fcom.nordic.infocenter.meshsdk.v5.0.0%2Fmd_doc_user_guide_modules_dfu_configuring_performing...
