Hi, my friend,
I've been with nrf905. I use a 16-bit CRC check.
But I encountered problems in use:
1.Nrf905 16-bit CRC check format is CRC-16(IBM):X16+X15+X2+1 or other...
I have two custom PCBs, each of which has a microcontroller and an nrf24L01+. Everything related to the transceiver in the designs are complete duplicates (with the exception...
Hello,
I've built a small BLE-device based on the nrf8001.
With my Iphone I can discover this device and I am able to connect to it and listen to notifications of the...
Our pcb is used for gps location data. We have a nrf24L01 nordic chip as the micro process or between the gps module and wireless module (2G). Our engineer needs to capture...
Hey folks,
I'm trying to modify the SPI Master loop back example into a 4 line SPI Master_Slave program. Whenever I change the Tx_Buffer_lenght from 10 to lsome other numbers...
Hi.
I am using S130 softdevice version.
Basically, I am using NUS Service and make a my own NUS central service as NUS_C.
It is correctly work at normal state.
When...
Hi All,
Please Reviwe for a attached circuit file(Chip ANT of nRF51822.pdf).
I also attach a datasheet of chip antenna applied for that circuit(SDBTPTR3015 Data Sheet...
I would like to NRF51822 bluetooth test.
It has NRF51822 eval-kit 2EA.
1EA is a Central (dongle role), 1EA want to test the bluetooth interlock with Peripheral.
What should...
I hope this isn't a duplicate of another question. I searched on sd_power_system_off and didn't see anything exactly like this.
I'm creating a new project, based on ble_app_template...
I have the 51822 chips, and want to establish a network with large data volume, I use the S130 now, but the effect is not ideal, so I want try the BLE4.2. Do we have the SoftDevice...
Hi,
For the past few weeks I've been trying to make a small device that would simulate a mouse with Arduino and MPU6050 accelerator + gyroscope sensor. I wanted the device...
created a new BSP PCA10001 from PCA10028 and replaced the CFLAGS += _DBOARD_PCA10001 for uart example in peripheral folder using sdk 10.
Migrated simple_uart example &...
Hello,
I wish to communicate with the chip via SPI NRF51822.
The NRF chip is configured as a slave. Based on the SPi_slave_example code, I can't set to 1 the semaphore...
I configured my system to sleep after inactivity time.
nrf_gpio_cfg_sense_input(WAKE_UP, NRF_GPIO_PIN_NOPULL, NRF_GPIO_PIN_SENSE_HIGH);
err_code = sd_power_system_off...
NRF51822 most time is in sleep mode.
Each 5 seconds it wakes up to make ADC measurements.
But adc_event_handler force only once, but I want to see it every 5 seconds.
...
I'm new to using the RTT Viewer. It was working fine (all morning). I've only been using the SEGGER_RTT_printf(0, "string %d \n",x); call to dump text and data to the viewer...
Hi,
We are using the BLE keyboard example as a basis for a design and notice strange behavior.
Only change was to create a custom_board.h header for a button press on...
Hi,
I can use the DFU bootloader via HCI/UART to update the application image.
Reference DFU init pakcet . The init packet contains a 4-byte value identifying the version...
I searched the database but did not find an answer to my question.
My environment is as follows:
Keil uVision v5.18a
Nordic SDK 11
nRF52 PCA10040
Softdevice S132
...
Hello,
I am trying to write data to flash. I did successful write data to flash, but I need delays between erases and writes. I tried to avoid the delays with the NRF_EVT_FLASH_OPERATION_SUCCESS...
