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...
I have a a new pca10028 DK board and a pca10000 dongle. Using Keil v5.14 and Nordic SDK v7.2 I can compile, download and test several pack examples (e.g. ble_app_hrs, ble_app_alert_notification...
We need to develop a system that can receive multi heartrate ANT+ strap signal at least 50 to 100m range. Im newbie in this technology and I don't know if is there any antenna...
Hi
I am using SDK8.0.0 ble peripheral sample code and PCA10001 board but I am not getting any advertise ment on sniffer.
I have test hrm, template and ble nus_uart code...
Hi all,
I have been trying to combine the UART and hID Keyboard examples into a single application.
I want to use the HID part to send specific keystrokes using buttons...
Hello, I build a BLE 6LoWPAN environment on my raspberry pi with Kernel 3.18.3 and connect a BLE Dongle. The BLE Node is Arch BLE ( www.seeedstudio.com/.../Arch-BLE-p-1998...
I referenced the question in this link devzone.nordicsemi.com/.../sd_ble_gattc_primary_services_discover .
And I can see the Read by Group Type Request and response in sniffer...
HI,
I add a readable and writeable characteristic with :
attr_md.vloc = BLE_GATTS_VLOC_USER;
attr_md.vlen = 1;
attr_md.wr_auth = 1;
and
attr_char_value.p_attr_md...
Hi Guys,
I'm doing a test between CC2541 and Nordic NRF51822. The CC2541 work as a peripheral role. NRF51822 as central role. But CC2541 can update another CC2541 that...
I'm working on a design that requires an adc reading to be taken on a pin that is also used as an interrupt. I've looked at the reference manual but am still confused as to...
The end of memory bss is @ 0x20002DAC (11692B).
The start of the heap is @ 0x20002DB0 with a size of 2560B.
The heap ends at 0x200037B0.
The stack works back from the end...
Hi,
I intend to buy the NRF51822 beacon to use it to transmit data from an SPI-linked sensor. Is this feasible? (It seems so, but I just want to make sure). Also, will I...
Yesterday was the nrf Beacon application for Andriod Studio released. I added the project DFU library to the same folder as described. But I get an error:
Gradle 'Android...
Hello! I want to try IPV6 for nrf51822. I have a few questions:
How many connections can be provided by the one device?
Can we broadcast messages between devices...
Hi,
I'm developing BLE functions using nRF51822 on top of the Android Kitkat applied device. I cannot find android bluetooth HAL source code that Nordic provides. Is there...
