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...
I would like to synchronize my warning lamps with the advertisment of a master device.
The master is the advertiser as peripheral device. once every second.
The slaves...
Hai,
We are trying to implement BLE HID Keyboard application using NRF51822. but we are facing the below issues with a windows 10 system acting as the central:
when...
I am considering nRF51840 chip to use in my project, I have found good examples for it, but I still have a question if there is a special method to establish new services...
Hi,
I know that this is a known issue, but I'm seeing caching issues often with iOS.
I'm using S132 v5.0.0, SDK 14.0 against custom application with iOS DFU SDK and often...
Hi，guys. I have a problem when dealing with NRF52's SAADC using nRF5_SDK_13.0.0_04a0bfd. The problem is after downloading and run the program using JLink, everything works...
I purchased the nRF52840-PDK the other day and when it came in today Booted it up and it worked fine. I went to load the example nrf52840_xxaa_side_header.hex from the github...
It worked before when I connected my nRF51 board to my windows 7 computer. The green light is on.
But today when I connect them the light is blinking rapidly and there is...
Plugged in board to Win 10 pc that was working properly in past. Start NRF tools and get error.....
ERROR Unable to read connectivity firmware version: Unable to get version...
Hi,
I'm using SDK v14.2 and s112_5.1.0 for nRF52810 basing on the ble_app_uart example. Now we use the uart to communicate with external MCU. Also we want to close uart...
Hi
I don't get a connection when I run boards from PCBWay, but it works fine with the same boards manufactured by Eurocircuit. When I comment out the statement below, boards...
I am using an nRF52DK kit, SDK V11.0.0 and SoftDevice S132 V2.0.0. I have found an advertising example on the site github.com/.../nrf51-ble-tutorial-advertising . I have modified...
Hi,
We made a custom PCB using the NRF52832. We have connected a button to P0.21 which is the reset pin. We have configured this button as input and set the preprocessor...
Hi,
I am using multiperipheral configuration. I want a characteristic to be read by only a specific peer among connected peers. How do i recognize and authorize this specific...
Hello is a starter developer
I used the nrf51822 chip on the pcb board and downloaded the example code but it did not work.
When I checked the 16mhz external crystal on...
