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 Nordic, I've been searching the forum and the SDK for code examples that specifically use Bluetooth 5; could you direct me to that code? Many thanks in advance for your...
I am now based on nrf52832 SDK14.2 development, I tried to use the PWM driver and timer to drive the corresponding two IO port an irregular waveform, I originally thought...
I am using the Hackable kit which has nrf52832 to control a servo motor and read accelerometer(AXL335) readings through a iOS app. I am a novice when comes to embedded. I...
Hello, ererybody!
I use nRF52832,have a development board.
I was testing the adc module,using the ANI2 channel,I measured the ANI2 channel voltage to the ground,find it...
Hello everyone,
now i'm working with nRF52840 PDK( Engineering B ) and i migrate my project from SDK 14.1 to SDK 15. My starting point is ble_app_template and i want to...
Hi!
My setup:
* nRF52 DK (let's name it N )
* nRF5_SDK_15.0.0_a53641a
* s132_nrf52_6.0.0
* SES V3.34b 64-bit
* two android smartphones (let's name them A1 and...
1. nrf51822-qfaa
2. sdk10.0 & sd8.00
Q:
If the MAX_CONN_INTERVAL is set to greater than 200, NRF_ERROR_INVALID_PARAM will be returned when called sd_ble_gap_ppcp_set...
This post had a discussion on using one button but the first reply suggested a buttonless solution. So now I'm not sure if one button dfu is best if same button is used for...
hi,
i am doing a project where i have to exchange strings between nrf52832 as peripheral and andoird smartphone using nrf connect app, in this project data security is a...
Hello!
It's the first time using Nordic devices so i´m doing some SDK examples and trying to merge them. I'm using SEGGER Embedded Studio. Right now i´m using ble_app_blinky...
Hello,
I'm usign nRF52832 IC and SDK5. I want to awake the sleeping MCU by NFC and pair with BLE. In short Pairing device address should be transfer via NFC. There will...
Hi all
i am using SDK15, nrf52832 dev kit and s132 version 5
I followed the below steps:
1)Flash the softdevice
2)Update the generated dfu_public_key in secure_bootloader_dfu...
I am developing a firmware and connected a spi LCD to nRF52840, but I got the max speed only 8 MHZ, in Datasheet is 32 MHZ max.
Which speed of the SPI master is max ? (I...
I'm getting a disconnect reason of 0x3D / BLE_HCI_CONN_TERMINATED_DUE_TO_MIC_FAILURE during a connection attempt. It does not happen for all my phones except one. It appears...
