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...
nrf52832.
SDK14.2
Segger ES V3.34a
I am using nrf_drv_saadc_calibrate_offset() and find the next sample immediately after the calibration is erroneous.
There is...
Hi, I would like to use a nRF51 Dongle to connect to BLE devices and retrieve some data.
I already tried my scenario through nRF Connect for Desktop and it works, so I assume...
Hi,
I have a SPI sensor on an nRF51822, developed in mBED. To save battery power, I want to disable SPI while in ble.waitForEvent(). The only reference I could find is an...
Hi, I'm using Master Emulator API 2.1.7 and am having difficulties determining where I should be processing an acknowledge packet being returned from the slave after transmitting...
Hello,
I have been trying to have a central/peripheral device read UUIDs and RSSI values from surrounding peripherals using their advertisements and without actually connecting...
And base the nus service ,each peripheral can send message for cenrtal to other peripheral like mess.
I doubt it is possible because this example is base on the LED Button...
I'm building a smarthome application.
IPv6 over BLE not support mesh topology that is quite inconvenience to extend network. My teacher require me that this application...
I am working on custom programming of nRF52832. I have little experience of Preview DK. I took help of examples in SDK v15 and came across nrf_pwr_mgmt.h header file which...
Hi,
My service (nRF52832, peripheral, SDK14.2) works in a control point / response manner:
Command code is written by central to 'Command' char (F901). On peripheral...
Hey guys,
The project I'm working on utilizes the secure DFU bootloader and buttonless DFU.
To get the application working I had to generate a bootloader-settings file...
Hi
I have a sample nrf51822 non BLE program (based on flashwrite_example) that successfully writes and reads flash (last flash page) in a loop, incrementing the number that...
Regarding DFU upgrade, I have the following questions(sdk14.2): 1.nrf52832 will be paired and bound after connecting with the mobile phone, then in the sdk_config.h file NRF_DFU_BLE_BUTTONLESS_SUPPORTS_BONDS...
Hi,
I'm working on customized light switch demo where I'm able to send string data over mesh, I'm using mesh SDK v2.0.1, I would like to have Provisioner node to be also...
Hi,
If I connect supply from laptop using micro USB cable, battery on PDK also gets discharged?
Asking this because in the initial stages of testing PDK battery is working...
Hello, I use nRF52840_SDK_Mesh, when I run the Light_Switch example with the first Client for the first nRF52840 card the 4 leds light up, and it's the same with the Server...