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...
I control a module over UART using app_uart_fifo. This module is controlled from nRF host by commands to perform things. This generally works fine but however, sometimes when...
Hi,
I write a code for the max6657 temperture via modifying the SPI MASTER Example. The function for reading max6675 via SPI is shown as follow
uint16_t readCelsius(void...
Dear Nordic Team,
Thanks for supporting.
How to calculate the battery voltage level from Eddystone TLM. Its always transmit 240mV.
I am using CR2302 3V battery.
...
Hi all !
Can you tell me if it is possible to flash a single nrf51822 ship directly or if it requires at least the minimum oscillator X1 in order to be flashed?
The...
Hello. I want only 1 to 1 bluetooth matching about nrf51822.
I want only 1EA central with 1EA peripheral matching.
I set as below.
1EA - Bluetooth Central - UUID...
Yesterday, I asked a question (so far, no one has answered) about how an OS upgrade on my desktop computer might have broken my ability to flash and run BLE apps on the nRF52...
Hi there,
I have two nRF52 Preview DK boards, SDK 0.9.1 and 0.9.2, and SoftDevice S132 1.0.0-3 alpha. Several months back I got the Bluetooth heart rate demo from SDK 0...
Hi,
i am trying to wake up the nrf52832 from system off with a gpio interrupt.
When the signal on my gpio pin 28 goes from Hi to Lo, i trigger a callback function in...
Hello all,
I'm building a project on the nRF52382 with the S132 (v2.0.0-4.alpha). The project includes a Central device (GATT Clients) that read and write to 2 peripheral...
Are there any specs available regarding the performance of the nRF52 ADC's internal voltage reference? Accuracy (%) and temperature drift (ppm/degC) would be good. I couldn...
Hello,
I'm developing proprietary radio protocol using nRF52 (not using softdevice) and would like to know if it is allowed to write NRF_RADIO->FREQUENCY register while...
Hello, I've got a problem with an app_timer
starting from the BLE_UART example, I've set
#define APP_TIMER_PRESCALER 4
#define CLOCK_CONFIG_LF_SRC NRF_CLOCK_LF_SRC_Xtal...
