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,
This may be stupid, but I can't declare classes in my .h file in keil. I have arduino library for my I2C device, but keil; does not recognize when I declare classes...
I've looked through and tried many examples on getting my SAADC to produce a temperature offset. About a month ago I had the SAADC working really well with a wheatstone bridge...
Hello,
What changes need to be made to the following tutorial to enable basic advertising with the Rigado BMD-300 on a custom board breakout board?
devzone.nordicsemi...
Hi,
I have multiple devices set up in a simultaneous peripheral and central mode that exchange data on connection. As there may be multiple devices around, I want to make...
i download the sample code (\examples\nfc\record_text) to pca10040,it can be detected by NFC reader,the serial number is 5f:46:ac:eb:75:a7:ea,if i want to change this number...
I am working in sdk12.2 nrf52832 . When build and run the project it will work smoothly with ble connectivity... But the problem is it will bond only once when the softdevice...
I just want to understand concept.
For example, I need transmit battery level, heart rate level and other.. in closed (encrypted characteristic). I use S130 nRF51 SDK9. HRS...
Hello to the Nordic community!
A rather theoretical question: Would it be possible to have a system, comprising of a SoftDevice + Application + Custom Bootloader, where...
Hi there!
I'm looking to layout a chip antenna using the nRF52832 WLCSP chip and am confused about the layout of the antenna matching circuit. The reference design (CIAA...
Hello,
I am using nrf52 with sdk 12.2.0. I am working with example buttonless dfu template aplication by referring to the link infocenter.nordicsemi.com/index.jsp .
I have...
Hello,
I am running a simple application where I would like to listen for BLE packets for 100ms and then transmit a packet. (no soft device) I can successfully capture...
In section 17.1.9 of the nRF51 reference manual it states:
Maximum consecutive transmission time
is defined as the longest time the
RADIO can be active transmitting...
I need to connect VL53Xl to NRF51 DK> I am using latest 12.2 SDK with Keil MDK.I cannot find any I2C(TWI) example. I can find examples for NRF52 based devices. but not for...
I am using a nRF52832 which act as an observer role only and what is observe it send observed data to another device over UART.
When i turn off scanning and just run UART...
