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,
Our team is considering the use of SiTime MEMS oscillators, namely a SiTime SiT1615B, to help in harsh shock and vibration conditions our product will be used in....
Hi, I am using the nRF52840 DK with SDK 17.0.2.
I am working on a project using the ESB protocol. In my design, an ACK packet is transmitted to the receiver every 5 seconds...
Hello community,
I was hoping to ask 2 questions about my design choices when designing around the nRF52840, specifically the QIAA-R branch.
First, I am confused on as...
Hi,
The Light Lightness Control (LC) Server controls a single Light Lightness Server instance on the same device with a state machine. Is there any application that demonstrate...
Hello,
I am using Bluetooth mesh for a project. I have a central device acting as a provisioner, and node devices that get provisioned as normal through this device. I am...
Hi,
My company has a product that is in production using the nRF5340 SOC. We noted this morning that the product would boot and application code even if the nRF5340's reset...
Hi there, I've a following set:
nPM1300-EK (PCA10152 / 1.3.0 / 2025.18 / Serial no. 10B3B784F5316C68)
nRF Connect v5.2.0
nPM PowerUP v2.2.3
After launching nPM...
Hello,
I’m evaluating whether simultaneous uplink from two ESB nodes is possible on the nRF54L15 DK. The documentation mentions support for up to 8 pipes in a star topology...
Hello,
I am using the ANNA-B112 module with nRF52832 to communicate to an AD5940 AFE using SPI1. I am also communicating with three other sensors using I2C0. This project...
Hi,
We enabled the DFU and sent a new application successfully using the mcumgr command line program, but now we need to do this upgrade process using the host MCU.
...
I am working through an evaluation stage for a new product using nRD52840, possibly updated to nRF54L in the next development phase. The device is based upon Zephyr and being...
I'm getting the warning about CONFIG_BT_CTLR, but I've gone through and changed to HAS_BT_CTLR. I do have the following:
# Maximum Transmission Unit config
CONFIG_BT_GATT_AUTO_UPDATE_MTU...
Hi
I have a nRF52840 setup with external 32 kHz xtal and external 32 MHz xtal, supplied by 3.3V.
I would like the system to be in as low power mode as possible.
Each...
While testing BLE and USB individualy, they seem to work well. When there is simultaneous use, there appear frequent crashes/lock-ups in varius handlers.
BLE used: ble_app_uart...
