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 am using the NRF52840-DK and using the Zigbee light bulb example.
1. The DK board successfully connects to the zigbee network - Z2M in this case.
2. I have added an...
Hi everyone, my colleague developed a firmware using Arduino Nano 33 BLE and PlatformIO. Now I have to rewrite the code using Segger Embedded Studio. The problem is in the...
Hi there, I am developing a peripheral to central system with nrf52840 base on NUS service. Now I tried to increase the MTU of the peripheral to 247 to increase the transfer...
Hi,
I am using NCS for development and configuring GPIO pin as input, but I found the GPIO can't configuring as NO-PULL mode. There are only two options: Pull up and Pull...
Hi,
I am working on ble_bms_app template. While the nrf52840dk is connected to laptop, I don't get JLINK connected notification on the desktop. Sometimes i get the connected...
Hello.
I'm using nrf52832 (S132 v7.0.1, SDK v17.0.0) to develop peripheral roles.
Setting UUIDs for advertisements, services, and characteristics. At that time, sd_ble_uuid_vs_add...
Hello.
I am developing using nrf52832 (S132 v7.0.1, SDK v16.0.0) as central and Android device (Bluetooth 4.2) as advertise. Android devices use nRF Connect.
I can set...
We are aiming at a low pin count interface between modules. Ideally we would like to use the programming pins for both programming and as an I2C interface. Is this possible...
Hello,
I am new to Nordic, Zephyr and Linux. I have been going through the "getting started guide" on the zephyr docs website and ran into this problem not being able to...
I heard that nrf52832 rev3 has been released. Our product is using nrf52832 rev2, nrf SDK 15.3. If we change the chip to rev3, can we use the firmware without modification...
Using windows 10 OS, and SES v5.40.
I am using nRF52833 device in my project along with nRF5_SDK_for_Thread_and Zigbee_v4.1.0_32ce5f8 SDK.
As we can see that there is...
Hi,
I am trying out the smp server example with mcuboot and encounter this error when building for the nrf52840 dongle.
I read that it has something to do with the usb...
1. Erratum #7 counsels to add a DSB if reading sequentially from UICR and program flash, as below. But what constitues sequential? If my program reads from UICR on a thread...