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,
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...
Hi there,
We're using NRF52840 and nRF5_SDK_15.3.0_59ac345. We have a product where 2 nRF52840's have to talk to 1 device (say, an iPhone or a computer). We were thinking...
I've noticed when using the nRF Connect Software, after I connect to a perihperal, it immediately discovers services, but takes about 4 seconds to read the GAP Device name...
Hi,
We have been working with a coordinator and a router device based on nRF52840 with nRF5_SDK_for_Thread_and_Zigbee_v4.0.0_dc7186b
Both devices are Zigbee 3.0 and implement...
Hello,
What the average data consumption for using A-GPS on the nRF9160 to download the Almanac and Ephemeris data? I would like to know how much data is billed through...
Hi,
I am developing a product based on SDK v15.3.0 and SoftDevice v6.1.1. my product acts as a BLE central device.
On the peripheral side, is an iOS application which...
Hi,
I need some help in explaining the GPS behaviour I am observing. In the following figures the GPS current draw is depicted.
For the specific scenario the position...
