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,
I tried the booloader program on nrfgo mother board and it works as it is.
However, after I followed the same procedure and download to our inhouse board which is...
Hi!
I'm trying to receive notification on a characteristic that I've written before but I can't. I've activated the Notification in that characteristic, after that I write...
This question is somewhat related to: devzone.nordicsemi.com/.../how-to-switch-between-over-the-air-and-uart-bootloader-mode
I know it is possible to switch between HCI...
Hi
I'm working on the DFU feature according to the "device_firmware_updates" example on PCA1001 board, basically it works, but the question I'm facing is the board always...
hello,
We used the nRF51822-BK-FW 1.0.1
We need a little more help here to add the MAC address to the advertising packet. Can Any one help us add that to there?
i m attaching...
Hi,
Could anyone give some idea how to do data transfer with help of L2CAP (calling L2CAP APIs from Application)? I will be very much thankful if give description/steps in...
Hey all,
I have a custom board running a 51822 rev C0 chip connected to a TMP102 temp sensor over I2C. I was using the twi_sw_master.c to successfully talk to it in my...
Hi All,
I am new to the field and working on nRF51822. As mentioned in the question, which is the easiest way to Implement a simple LED blink (10Hz) for 5 seconds?. Is...
I have successfully tested the SPI master loopback example on pca10001 eval board. I have a few questions regarding a real-world scenario when there is a slave SPI present...
I'm trying to follow the instructions for "nRF51822 Beacon Firmware Documentation" for over the air firmware upgrade of the smart beacon, but I can't find the soft device...
Could this be my problem?
devzone.nordicsemi.com/.../s110-7-0-0-can-i-write-my-own-mbr
an application now starts at 0x15000 which is to make room for an extra 4Kbytes...
Hi,
I am new to BLE Development. Currently I am using NORDIC Development board (SDK Ver 5.2 &Soft device S110). I want to write a small program to establish the connection...
I'm trying to get a handle on the various ways I can implement console output on this system.
I have in the past used the retarget.c/.h code from this forum that uses simple_uart...
