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 new to learning Nordic SDKs and I am working on adding custom commands to a BLE example using Nordic UART Service ( here ). I tried to apply this concept over to the...
I sent the AT instruction back correctly with the serial tool sscom5.13.1
I sent the AT instruction error with the secondary function: at_cmd_write ("AT-CGDCONT?," buf,...
1. When using SEGGER Embedded to use Chinese comments, the cursor display will appear abnormal lying each time Chinese characters will move the cursor only half a character...
This is a voltage drop of 3.3V to ~450mV before decaying.
I'm using P0.02 (AIN0) on the nRF52840 on a custom board. This is my config:
My handler function is never being...
Hi,
I am working on handling multi-radio protocols like only 1 radio at a time. ( https://devzone.nordicsemi.com/f/nordic-q-a/63194/when-the-timeslot-extension-could-be...
Hi,
I am trying to disable writes to certain regions of flash memory. But different from the nRF52840 Product Specification, NRF_ACL is missing the DISABLEINDEBUG register...
Hello,
I'm trying to connect a bluetooth device (peripheral) with Web Bluetooth (central). I send an addvertising packet and I can see the device in Web Bluetooth but I...
Hi,
I just bought an NRF51-DK which I want to use with MBED. I need to download the CMSIS-DAP firmware for this board but cannot find it on the downloads page for this DK...
Hi,
i am trying to create a new model for mesh SDK 4.2.0 i am using nrf52832 please provide link or any document for creating new model, i found a link which is for SDK...
I have been using the nRF5 Mesh SDK for development and am in need of implementing single press, double press and long press on the nRF52832. I have seen the nRF5 SDK for...
Hi,
I get the error "[DFU] Remote DFU error: INVALID OBJECT. SD busy? Retrying...." when attempting a firmware update over Bluetooth.
The bootloader, application and the...
Hello,
I'm working on nRF52811, SDK16.0, Softdevice 7.0.1.
Using the pwm_driver example in the SDK, I'm trying to run a simple PWM for an RGB LED. Following is my simplified...
Hello,
I am trying to develop a product on a large scale. I need the last 4 digits of DEVICEADDR[0] as the advertising name for uniqueness. But I am not able to get it working...
I started working on power saving. I tried running the power_off sample from zephyr but there was no change in the current. The current holds the range 30mA to 32mA even after...
