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...
I am using nrf52832 with buttonless DFU ,SDK 15.0,using fstorage.I want to store some device information in flash,such as serial number,hardware version,these data will not...
In the compatibility matrix , Engineering A must use the "nRF5340 OPS v0.5.0" specification but when clicking on it, only the latest version (0.6.1) is available.
Which...
Hello,
I want to add control over UART to ble_app_blink_c project.
SDK is version 16,I copied <SDK>/examples/ble_central/ble_app_blinky_c folder and made <SDK>/examples...
Hello,
We're experiencing a strange issue where a device we sent to a partner in the US wasn't able to connect over there after rigorously testing this before shipping here...
I am currently using one nrf51dk board that is automatically showing itself on my computer as a mapped storage device with the label "JLINK".
This is actually a board I...
Hi,
I have a ble device that uses nRF52 chip. I would like to know if it is possible to do ble automation on that device.
Here is my setup:
OS: Ubuntu 20.04 LTS
...
Hi everyone, I am using TWI driver to communicate with I2C. I have write the following I2C read function.
Now I want to write a second I2C function with some modifications...
Hi,
I have a device that throughout the uart data to ble,recently I find a problem that in the case of weak signals,the data sequence is out of order.
Here is the question...
Hi,
I am trying to run the sensor example as provided in the Mesh SDK. I am getting the log as mentioned:
13691970>, main.c, 475, mocked motion sensed = 0% <t: 13691973...
Hi there,
I'm using the softdevice sd_ecb_block_encrypt to encrypt my 16byte block data as follows:
When my data buffer is filled, it called aes_encrypt(),
void aes_encrypt...
Hi Nordic,
I are working on battery operated device.
Need to measure battery percentage using ADC.
Let me know how can we select range of 0-100% for battery voltage...
Hello,
How do you flash custom firmware into the Nordic Thingy 52? The Thingy doesn’t reflect changes that I make to the firmware files and instead just turns off the...
I'm trying to find an example of how to properly buffer sensor readings between connections, and then transmitting the buffer on connection.
Is this just done via the user...
Hi,
I have developed a piece of software that only uses the GPIOs on the APP core to evaluate a sensor. The software worked on the development board processor so I made...
