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 all,
I have a few questions:
How is that ADC's common mode rejection capabilities? Rejection for 60 Hz interference, etc...
The datasheet has "typical...
I've never used Gnu's GCC before, but after 20 hours of trying and failing to install it on my macbook, I'm finding a shining hatred. I've downloaded their exhaustive list...
I migrated to nrf52 and countering some problems.
I am trying to sample 4 pins every 2ms with SAADC.
I started with Example here .
I simply changed
uint32_t ticks...
I've got a gyro I want to read some data from, but I don't know the values and can't verify if they got read correctly. When does nrf_drv_spi_transfer start to read?
i...
Hi, i;m trying to build the "nrf52-ble-app-lbs" example which i downloaded from git hub github.com/NordicSemiconducto....
I followed the instructions in the README file...
I'm thinking about changing ADC resolution during operation.
What I want to do is:
start
・Operate in 8bit ADC(normal time)
↓
・Operate in 10bit ADC(particular...
I want to use NRF51 DK to sample 2 analog signal continuously (300Hz) and send it to a smartphone using BLE.
I need advice on
Which nrf example to use to code my DK...
I've run out of space in my attribute table. No problem, I'll just make it bigger with ble_enable_params.gatts_enable_params.attr_tab_size .
The easiest way to do this...
Hello,
I am trying to implement a clean shutdown process, but running into some issues. The flow of the SPI use is as listed here:
Initialize SPI instance and...
Hello,
I`m using more or less the Nordic OTA bootloader implementation.
There is a timeout that forces the bootloader to reset, if no action happens.
Because we have...
Hi, I want to know relation about Scan interval/window, ADV interval.
I knew scanner is scan during window term.
Then, When i use central and peripheral at one device...
Hi.
I'm trying to make NRF52 write 6 bytes of data into flash and read in the DFU Bootloader.
For that purpose I choose to use "pstorage" library instead of other flash...
A new blog post provides an explanation on how to develop desktop applications with Python that make use of the serialized SoftDevice API:
devzone.nordicsemi.com/.../
Hi,
I'm building a peripheral app with SDK11 and a nRF52 microcontroller (softdevice 2.0.0).
When connection parameters are set in ble_conn_params_init, this always leads...
