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 have a question about ADC configuration。 If an ADC input is multiplexed in different ADC channels , is the ADC data still dependable?
for example, the init code is as...
Hey,
I am facing a common issue in which I have seen multiple users. When I try to connect Gatt Server I got disconnection with Error code 133(0x85). and also we also have...
Hello, I need an application with a Bluetooth stack and FreeRTOS to handle different tasks (like button reading, sensor reading, ADC, etc.). So I try to implement the BLE...
Hello,
I'm using nRF52840 devboards and am running the NUS-examples on two devboards (peripheral and central) with SoftDevice S140 (SDK 17.0.2).
I want to synchronize...
Hello again,
I have merged two projects as described here:
https://devzone.nordicsemi.com/f/nordic-q-a/67575/serial-communication-usb-with-ble-hid
https://devzone...
Hi Nordic,
I want to establish a user controlled connection to a ble_peripheral. I am using the Sdk 15.3, s140 and the nrf52840.
I used as a reference the ble_app_interactive...
Hi,
using dongle nrf52840 pca10059 board name.Not able to load the hex file into the programmer app as using the nrf connect for desktop version:3.4.2.Getting the warning...
Hello
I use nrf52832 and SDK v17. And I'm using NUS (UART) service and peer manager. So far, I've been testing with an Android phone and connected it with an iPhone for...
Hi All,
I have modified ARM FB ABI type preprocessor macro to "soft" to optimize power consumption in my saadc routines. But I am seeing below error while compiling. I...
I am developing USB CCID driver class for nordic nRF52840. I used USB CDC-ACM class as reference and tried to implement for USB CCID. I have developed the device descriptor...
Hi,
I have a question of correct way to connect/disconnect/reconnect from the LTE network to save power.
I already know about PSM mode.
But In south korea, SK telecom...
Hello
I'm working on SDK v17, and I'm using the nRF52832 custom board. I use several APP_TIMERs. One of those timers doesn't seem to be working properly. Timer calls are...
I'm just finishing a BLE project for a client. The code is based primarily on examples\ble_central_and_peripheral\experimental\ble_app_att_mtu_throughput. I'm using SDK 15...
