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
We are using the nRF52832 chip in a design and try to reduce the cost for the product. I have some ideas to simplify the circuits but have some questions about the capabilities...
After clicking on Raw Data in Nrf connect App I am getting this 0x0201041AFF590000150112233445566778899AABBCCDDEEFF0FFFFFFFFC3. what are 0201041AFF these bytes ? can I remove...
Hi
There is a lot of sleep mode at 5.2.1.1
Could you explain what the different between "ION_RAMON_EVENT", "ION_RAMON_POF", "ION_RAMON_GPIOTE", and "ION_RAMON_GPIOTEPORT...
Hi,
I just added some more data to my iBasis SIM card, but I can't seem to find the receipt for the purchase. Where would I find the receipt for this purchase?
Thank...
Hi there,
I have a few questions regarding the Development Kit hardware design. I just bought up the polygon pour manager. I noticed that all layers except Mid-Layer 2 are...
In the documentation, its suggested that the antenna should have a matching network between the WLCSP NRF52832 and the 50 ohm transmission line that looks like this:
...
Hi Team,
I am working on SYSTEM ON mode with Low power mode also called Idle mode in nRF9160 module.
I was able to go to Idle mode with current consumption of 6uA with...
Hello there,
I created a project a while ago with the SES and the SDK 15.x. For a new Project, we would like to move to PlatformIO. Right now I am evaluating where we will...
Hi Guys
I recently made my own PCB for a project. On the PCB I am using a Laird BL654PA Module with external antenna. All the I/O's work great but im struggling with the...
Hi,
We had met problem at buttonless DFU with bonded information at Andriod set-top-box.
The problem we saw is we can not know when the ATT table is different at andriod...
I'm trying to wait on a single POLLIN event on a net socket, but I'm finding that poll() will still return immediately with the POLLIN event even if it's not set in the struct...
Hi , I am developing a zigbee project using nrf52840 using NRF52 zigbee sdk . I had to do some changes in zboss header files ( zb_config_common.h and zb_config.h ) to change...
I'm using the NRF52840-DK with the SB40 jumper cut, then powering through P21 and measuring with an ammeter across P22. USB is unplugged during measurement. I'm using zephyr...
Hi,
Eventhough I am able to communicate with my I2C slave, this message appear for every transmision.
[00:00:00.709,350]
[1;31m<err> i2c_nrfx_twim: Error 195952641...
