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...
Hello,
I'm using mesh 2.0.1 to test message sending between 2 nRF52840 DK boards.
I'm using a task from FreeRTOS kernel to send messages from the node to the provisionner...
I was hoping someone could clarify what support the nRF52840 has for USB power source detection. Our design uses a 150mAh LiPo battery, with a dedicated PMIC. We have the...
I have a hardware with NRF52832 module and successfully used the example twi-scanner to locate my I2C peripheral. I copied these parts over:
My own code produces this...
I am extending the Glucose sensor app in nRF Toolbox (Develop thread). I had logic error which I have corrected, but while debugging I encountered a strange effect that could...
Hi, I have been developing on the nRF52832. I am now in the process of moving to the nRF52810.
I am using the SDK v15.
I have commented out the DEVELOP_IN_NRF52832 define...
The last warning log i had was
E 14:06:57.204 Error 129 (0x81): GATT INTERNAL ERROR D 14:06:57.229 [Server callback] Connection state changed with status: 0 and new state...
Hi Sir
How to config channel and AINx to specific gpio for SAADC ?
For example, if I want read adc voltage from NRF_GPIO_PIN_MAP(0,5), how to set the channel and AIN ...
Hi ,
SDK : nRF5_SDK_15.0.0_a53641a
Chip : nFR52810 【1】Is nRF52810 only use pca10040e (nRF52832 = pca10040 , nRF52840 = pca10056) ? And can't use wrong (nRF52810 use pca10040...
Hello, Nordic
I have to immigrate from SDK14.2 to SDK15. I know that many things have changed in the process.
I'm referring to the Immigration guide but, There is UART...
I am using a PPI to implement a READY line for my SPI slave.
PPI's EEP is set to my SPI slave's EVENT_END
PPI's TEP is set to my GPIOTE's TASK_SET to deassert my READY_n...
Hello,
My previous question is this.
I try to implement sample application with Radio Driver 1.1.0 to SDK15.0.0 ble peripheral uart example.
Symptom
For few micro...
Hi:
I am fairly new to Nordic so please excuse my ignorance. I recently took over a project which used sdk 11 and I am in the process of updating it to 15 and want to see...
Hello,
We are developing a wearable device with NRF52 as a Beacon with CR2032 coin cell battery. We need to measure current profile for the beacon and calculate corresponding...
My environment is:
SDK14.1 + SD132 V5.0 + NRF52832
2 sensors(MPU9250 + LPS22HB) 1 battery gas meter (LTC2942) are mounted on TWI ( +1mA)
SPI to spi flash. (+1mA) and...
Hi,
I use SDK is nRF5_SDK_15.0.0_a53641a
【1】In examples proprietary_rf , Here is only the example of pca10040 , So I have to download a lower version of the SDK ?
(...