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've been trying to create a simple BLE observer that outputs the nearby devices data onto the serial port using a PCA10001 board.
For this, I'm adapting the code...
Hi - I'm using the 51422 dfu bootloader from the nrf 6.0.0 SDK and it works fine with the iOS apps, I can send both .bin and .hex files to the device and it works fine. However...
Hi,
I am using nRF51822 evaluation kit. I want to develop GPIO isr (GPIOTE_IRQHandler) which can handle multiple GPIO interrupts. I have tried to enable the GPIOTE_IRQHandler...
Hi!
When using bootloader, I cannot update application data from Keil (for example for debuging), because after restarting bootloader is loaded and
!bootloader_app_is_valid...
Hi,
I have been using nRF51822 with my Android app using Android's Bluetooth Low-Energy APIs.
In order to get more details, I am currently working on integrating the Android...
EDIT:
I'm using nRF51422-QFAA E00 and S310 v1.0.0, SDK - nRF51 5.2.0.
I'm starting HFCLK from externall crystal for ADC conversion. Since I have no SD enabled everything...
I was using the sniffer to get a trace of the ble_proximity example for the NRF6310 DevKit, and noticed some Attribute errors when the Master Control app attempts service...
nrf51sdk v5.2.0
I am adding ANT service to our BLE application
To begin i building the BLE application and bootloader with the s310 softdevice.
I have modified keil...
Hi,
I have updated my nRF51-SDK to the latest version 6.1.0. I'm using PCA10000 dongle, nRF6310, PCA10004 and Master Control Panel for Windows. I've programmed my nRF51...
ble_gatts_attr_md_t* p_cccd_md; /**< Attribute metadata for the Client Characteristic Configuration Descriptor, or NULL for default values. */
What's the default value...
Hi
I'm trying to set up a 1ms tick timer using TIMER_1. In other words: every 1ms, I have to increment a tick counter, and to perform several operations. When SD is not...
Hy
I m new for here, and i would like to ask for help for you.
I have a nrf51822 QFAAC0 development board, form chine PTR9018 with 16k oscillator.
I use SDK 4.4.1,...
I'm looking at interfacing a typical Wheatstone bridge sensor to the nRF51822 ADC. This particular sensor only requires a mA or two for excitation and the output fits within...
