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...
Hello.
I use nRF52 DK, S132v2 and PCA10040.
I want to get timestamp like GetTickCount of C++.
When I searched Documentation, I found RTC what can do like GetTickCount...
Hi,
When I finish coding, I can generate .HEX file for all products. But for real mass production, I may need to flash a seperate serial number in somewhere for each PCBA...
I'm trying to transfer a txt file by sending it from a terminal to my NRF52 DK with the BLE_UART example. I always get a BLE_ERROR_NO_TX_PACKETS avter a few packets though...
Hello, everybody. We have a custom board with nRF51288. We also have code based on ble_template that is working on Nordic devboard and dongle. Code is also working on our...
I am having difficulties porting the SPI Master demo to an S130 Soft Device on SDK 11.0.0. From the looks of it, there seem to be some issues with interrupts but I am unsure...
Using S130,
Central device,
Manual whitelist,
custom hardware.
Manual connection to 1 or 2 peripherals depending on a switch position.
This device is a central that...
hello there . i want to do something like when i press button advertisement starts. when i release button advertisement stops. can anyone tell me how to do this?? any sample...
Looking at Table 40 in the nRF51 Series Reference Manual v3.0, the Memory Protection Unit prevents request sources in Code R1 from writing to RAM R0. But if the request source...
I am facing the below issue that no source is available for "0xffffffff" when i try to debug the program using eclipse
I am using softdevice s110 and have flashed the...
Hi, I developed a sensory application which works together with the Master Control Panel (3.6.0.8331).
On the sensor side I am using the S110 (7.0.0-3.alpha) in combination...
Hi all,
i want a security check on connection that permits only to users that have a password to connect to my peripheral device and, particularly, to read/write on services...
Hi!
I'm trying to test out the glucose example in SDK 11 on a PCA10028 dev kit.
I follow the instructions here: infocenter.nordicsemi.com/.../ble_sdk_app_gls.html
Everything...
I want to distinguish between my customized bootloader builds, for that I added some specific manufacturer data to the bootloader. I added 1 byte of manufacturer, but then...
I have a project to generate audio using a codec. I will store the audio data in hex format on my nrf52 device and with the aid of the i2s interface, I will send the hex data...
