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 everyone,
I want instead of MAC address to advertise my device using its 64bit unique ID. What I am considering, is to use the p_data array for that purpose and more...
Hi, I see an interesting situation.
I got flash corruption with values 0xff after random power cycling and it's happened only if I have flashed the bootloader
soft device:s132
sdk:15.3.0
I implemented the following, but the event does not occur even if the voltage is V2.8 or less.
Do you know the reason?
===
NRF_SDH_SOC_OBSERVER...
The nRF5 SDK's throughput sample (ble_app_throughput) provided very convenient shell commands to configure key parameters affecting throughput in a connection, such as ATT...
Hello,
in my project I have a custom board with a nRF52832 chip, which reads 4 channels with a sample rate of 1kHz (1ms). The SAADC readings get transmitted to a nRF52840DK...
soft device:s132 sdk:15.3.0 board:nRF52832 board (taiyo yuden EYSHCNZWZ)
Unable to receive event 'NRF_EVT_POWER_FAILURE_WARNING' I implemented the following, but the event...
Hello
Using the timer, I am making code that turns on LED1 to 3 sequentially. I thought it was going to be very simple, but it's not going as well as I thought.
I'm making...
Hi, I have very STRANG issues. I am adding custom Characteristics to custom Services. I have added 10 custom Characteristics with the same config 8 of them are working perfectly...
Hi,
I am on ncs master branch, when i build and load the Serial LTE Modem(SLM) application the application struck at mcuboot
The only additional configuration option i...
I am using nrf52840 board. I hvae interfaced a gsm module(quectel m66).The problem is my device gets an APP_UART_FIFO_ERROR after every few sms commands.The maximum data i...
Hello everyone!
I have an issue about upgrading firmware over Bluetooth LE with a mandatory pairing of devices. I want only paired devices to have the ability to upgrade...
hello,
In the nrf51822 sdk 5.1 I can see a routine named ble_app_ibeacon.
I find a parameter define as below,the data is added to the advertising data.
#define APP_MEASURED_RSSI...
Hello,
Our team has narrowed down a particularly interesting issue with the boot sequence / initialization of our BMD-341 chip, which itself runs the nRF52840 SoC. For context...
Hi , i am using the nRF52DK and i have a small problem with the pwm driver.
i basically would like that the frequency increases if i press a button or decreases if I press...
