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 am having interface nRF51 with RF receiver. Output of RF receiver connected with GPIO pin of nRF51.
How can I detect interrupt on gpio pin?
Thanks & Regards...
Hi,
I'm using Secure_Bootloader example of SDK 15.0.0 and I can't get the Logger module to work. I set NRF_LOG_ENABLED to 1, increased memory regions in make file, so the...
Can the esb bugfix timer (currently TIMER_3) be set to another un-used timer without any side effects? I need to implement the async uart from SDK15 and it uses TIMER_3 and...
Is there a simple example which supports LESC Just Works for peripheral mode only? The lesc_multirole example seems a bit too much since that also supports central role. I...
I am sampling 3 sensors using the ADC peripheral, clocking it once every 15us to sample the 3 sensors (3us acquisition time + 2us processing = 5us per channel).
I use the...
hi,
How can i set Destination Address to a particular Mesh Node. so that all message reach that particular Node Only.Since provisioner can set address while provisioning...
how to use app of mesh to send message to node ?
I already got the source code from web: https://github.com/NordicSemiconductor/IOS-nRF-Mesh-Library .
1\ i have add three...
I would like to put a nrf51822 device into system sleep (not off) mode and wake it up (not reset) with a GPIO transition from high to low. I used SDK(nRF5_SDK_12.2.0_f012efa...
Hello everybody, I tried to activate the PHY Coded in the UART Example from the SDK15.1.0 examples.
For this purpose, I have set NRF_BLE_SCAN_SCAN_PHY 4 in the sdk_config...
hello,we are developing NFC on NRF52832 recently,we want to use NFC as a label,T4T,but we have some problems as follows:
1、firstly,we want to develop NFCT by ourselves(not...
hello , i'am working actually on the timer of nRF52840 S140
my timer look like this:
but how to switch from millisecond resolution to microsecond resolution ? ( APP_TIMER_TICKS...
Hi!
I've try to made bootloader/recovery application that should to replace existing run-time application of the device. The F/W file for replacement placed in external...
Hello,
I am using Eclipse with ARM toolchain on ubuntu to buid my application with softdevice s132 api version 3.1.0. I managed to build on eclipse and merge softdevice...
We have a GPIO configured in the GPIOTE to generate an interrupt on the LotoHi and HitoLo transitions (Toggle). Inside the interrupt handler we would like to perform a slightly...
