Hello,
I established a connection between my central and peripheral module. Now i want to write characteristic value on peripheral. I tried with sd_ble_gattc_write function...
I am using the NRF24l01 for my products and looking to buy in bulk(100-1000). Now I know where to buy the just the IC but antenna design is a hard point to break right now...
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 have the following situation:
1 central connects and bonds to 2 peripherals. All the above 3 devices are power cycled.
Now, the central need to remember the...
My system's data rate is 16MHz.it input to nRF52832 is parallel 8 bits. Is it possible? I want input the data to RAM by easyDMA,please to tell me how to do it ? thanks!
Hello,
A stupid newbie question: APP_UART_FIFO_INIT seems to get stuck while trying to run
example code.
Only modification I have made is the usage of SEGGER_RTT for...
I am working in sdk14 nrf52832 ble_app_hids_keyboard_pca10040_s132.
I set the .allow_repairing flag to true :
static void pm_evt_handler(pm_evt_t
const * p_evt) {...
My system's extend IC need a 16MHz clock ,because the nRF52832 work in 64MHz,so I want to use nRF52832 to generating a 16MHz clock output to a GPIO pin .please tell me ,how...
Hi,
I'm using nRF52832 and nRF52840 to work with MCU, then we should do the firmware update by the uart. I have compiled the bootloader_secure_serial project in the SDK...
I have ordered two "nRF51822 Bluetooth Smart Beacon Kit"s on this page:
www.nordicsemi.com/.../nRF51822-Bluetooth-Smart-Beacon-Kit , and got these two:
I've downloaded...
Am building a HID Mouse device, starting with the nRF52-DK as hardware target and the BLE peripheral HID mouse sample app. Builds, loads and runs, apparently fine (i.e., can...
Hello,
I am trying to add an extra service like "experimental_ble_app_blinky" into "ble_app_hids_keyboard" example code. "ble_app_hids_keyboard" example code has 3 servcies...
Hello,
I'm new to the Nordic SDK and I would like to ask you for help with implementation of PORT events for revision < 3 in "low power" mode instead of "high power" mode...
i am using uart of nrf52832. the SDK is nRF5_SDK_12.3.0_d7731ad. the uart is app_uart .when i was testing the uart sending and receing .i find that the uart is stoping where...
Hello!
We are performing certification testing for our product. We have nRF52832 chip on the board. We used "radio test" example to perform the test and almost all worked...
I'm migrating from sdk13 to sdk14 with work app.
Can't solve one weird problem. When my app start first time I initialize some data with saving by fds library to flash. There...
Hi
I get the following error when i compiled the ssd1306 library from link text to my nrf51DK..
error is: ._build\nrf51422_xxac.axf: Error: L6200E: Symbol app_error_handler...
