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 am using S130 softdevice version.
Basically, I am using NUS Service and make a my own NUS central service as NUS_C.
It is correctly work at normal state.
When...
im using nrf51822. before entering DFU mode I want to save data in flash. but when I call pstorage within reset_prepare function, it doesn't jump to DFU mode !!!!
reset_prepare...
Hello guys, i'm new in nRF51 DK board, and i would like to flash the .hex file to my board, but when i do it the board automatically unmounting himself and reset with the...
hello there i want to send negative acknowledgement then what should i do?? like i want to send some data and then i want to send negative acknowledgement
i am trying to use yggdrasil for nrf51422 (pca10028) with sdk 10.0. after installing, i cannot see the com port. How do I flash "connectivity_115k2_with_s130_1.0.0.hex" with...
Hi everyone!. I am beginner for Nordic Devices
I want to use RTC Clock with softdevices
so I loaded the project ble_uart_s130 from examples.
and I changed code like...
I have a ble central device. Sending commands to UART in main() works well. Sending in on_ble_evt() doesn't work (only the first char).
But I see in your examples that you...
Hi guys,
I've almost got DFU working on SDK10. However I am having issues at post validation of the image, specifically in the function dfu_init_postvalidate() in file...
Hello all,
Thank you in advance for taking your time for reading this question. I'm developing a proximity application and I have programmed the nRF51 DK with the s110...
Hi,
I am trying to set up a small mesh network. Basically I have a couple of PCA10028 (v1.1.0) and I have flashed the mesh example:
github.com/.../BLE_Gateway
One...
Hello Everyone,
I have been working around BLE profiles for few months and i have made several tested for each service via MCP(android) everything works fine but now i...
Mt need is to do frequency measurement of 0.01Hz to 99.99 Hz
We need a clock of 1us that added to a timer of that start on when the pulse low to high event happens and...
Hi there,
I want to connect multiple nus devices to S120 central. After connection with device, it starts to scan again after the BLE_GAP_EVT_CONNECTED event. And there...
Hi,
I am using the s110 and SDK 6 and trying to have multiple notifications from different services/caracteristics. For now I have two services, one for the battery and one...
Hello, i have a strange situation here with TWI module and i have no idea what is happening. I have read a lot of posts here on devzone and the code i am using is also found...