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...
In this function :
/**@brief Function for handling events from the GATT library. */ void gatt_evt_handler(nrf_ble_gatt_t * p_gatt, nrf_ble_gatt_evt_t const * p_evt) { if...
Hi,
I am trying to send some data over bluetooth, using the nrf52840, and i am using the ble_app_uart example to send the data. I am not receiving any data, when i connect...
We are in an environment that is highly security conscious. As a result any third party software cannot be installed unless it is white-listed with Symantec, our end point...
The NRF51822 datasheet (section 9.4 and 9.5) says the CTAC and CTAA WLCSP packages have a normal height of 0.35mm. The datasheet also says the CEAA WLCSP package has a normal...
I am developing BLE applications with nRF52840 DK and the Thingy 52. My application needs to use the entire 31 bytes available for data in BLE protocol. So I don't want to...
Hi!
What would be the best course of action if I have a connection like this:
Android device (without Bluetooth support) -> RS-485 -> UART -> Main nRF52840 DK + other...
Hi Nordic:
I want to make .a library, i use gcc to make .a library. And add .a library to my project. when i build the project , show build failed and the message is ".a...
Segger Embedded Studi, SDK 15.2, Windows 10
Nordic NRF52DK PCA 10040 1. 2 .4
Hello again everyone, I have gotten farther with my previous issues of not being able to access...
Hi All,
I am new to embedded low power design and would love some tips on power saving steps and tutorials for the nrf52832 device.
I am trying to understand the power...
Hi,
for a project I need to perform a DFU Update over BLE. After I prepared the bootloader (generating public and private keys and building it), I prepared the update packet...
Hi, I develop device for custom location service based on BLE. Now I'm working with nRF52 Development kit v1.1.0, nRF52832, SDK v15.0.0.
I have a problem with adding 16bit...
Hi,
I wonder if all Tracedata[n] pins are needed for debug? That would make five IO:s useless for other functions. Or is it possible to use 1-bit mode or something similar...
I wnat to set P0.30 and P0.31 for I2C CLK and SDA. nrf_drv_gpiote_out_config_t out_config = GPIOTE_CONFIG_OUT_SIMPLE(false); err_code = nrf_drv_gpiote_out_init(30, &out_config1...
I set up my nrf52 self board with internal LDO using reference schematics with internal LDO setup.
Im entering the power safe mode using __WFE instruction
Also i did...
1.I used Timer2 Capture function Time Frequency is 1MHz. Picture1 Current counter should be 33330. Picture2 Current counter should be 5000. Picture3 Current counter should...
