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 all,
i want to know answer related to following question
1)what is use of uicr?
2)if i place some value in uicr and then change the image,then is there will be change...
Hi,i m working in uav project with nr52 and GY-87 that contains mpu6050 and hmc8553 as sensor. i use i2clib to do connexion with twi created by jeff rowberg, then i wrote...
Hi,
I'm trying to add Openthread support to my project, which is based on ATT_MTU_Throughput example. I followed the tutorial in infocenter, but I still have some problems...
Hi,
I am attempting to run the various USB example programs on the nRF52840-PDK USB, but my nRF usb device is not being recognized (in windows OR linux device tree). Is...
Hi.
I just spend 2 days debugging problem with dfu. In the function nrf_dfu_app_continue the function nrf_dfu_flash_store is called with len parmeter as bytes and should...
Hi, I would like to control 2 LEDs independantly with the same server node. Should I try to [1] add a element with the same simple on/off model in that server node OR [2]...
Hi,
I'm running an ADC sampling every 8msec, sampling the output value of an op-amp as well as a reference voltage. I subtract the two in firmware. I was implementing the...
Hello,
I am using SPI interface to communicate with a sensor BMI160, looking into the driver for BMI160 I can see how the low level functions for reading/writting are used...
Hi,
i am trying to upload the code to BLE 400 from waveshare from nrfGo by getting the hex file from this library
While Trying to upload the code i am getting the following...
onkey_full_20170814.hex
onkey_0000.hex
onkey_boot_s132.hex
This time 14.0 sdk was updated.
There was a problem after the update
Problems when uploading bootloader...
Hi,
I am using SDK v12.2 and gcc compiler. S132 softdevice for nrf51 controller.
I am using muliple nrf51 devices to connect each other and share sensor data with each...
I'm using a pin for trigger switch input with the following codes
nrf_drv_gpiote_in_config_t in_config = GPIOTE_CONFIG_IN_SENSE_HITOLO(true);
in_config.pull = NRF_GPIO_PIN_PULLUP;...
Hi,
I would like send serial data in both directions (like by RS-232) between BMD-300 Evaluation Kit and BLED112 dongle.
I'm a beginner on this subject, so I'll ask...
Hi,
i am working on custom nrf52 board which is operating by Li battery of 3.7v 27mAh battery. now the battery is dead i didnt find 27mAh batteries in the market near to...
Hello there,
I am working with a peripheral device that we are testing with many different devices, and have run into a very unusual issue. With a brand new Android tablet...
