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 have enough experience for ARM MCUs but I am newbie to BLE technology.
I am thinking of a project about using NRF51822 beacon to unlock door when in range.
I am...
Ok, so please bear with me as I'm quite a greenhorn both in embedded world as in nRF series chips. My aim is to understand how deep sleep works. I might use wrong terminology...
Debug Logger without softdevice, and the define ENABLE_DEBUG_LOG_SUPPORT to my project in the C/C++ tab.
i just test, very simple , but cannot get debug log..
int main...
Hello,
We use DFU Service with nrf51 with sdk 9.0.0.
GATT 0x1543 characteristics can be found on DFU Serivce. But the descriptions are not found on documents.
infocenter...
Dear Nordic,
I have developed the software using development kit with latest chip version 3
nRF51422_xx_AC --->32KB RAM and 256 KB FLASH
SDK ---->nRF51 SDK 9.0.0
S110...
Hi,
I'm working on setting up project inside uVision. I have added all files with headers, and when I try to compile this is what I got:
..\SDK10.0\components\libraries...
Hello,
Has someone been able to use DFU with nRF52 device?
I'm trying to add the DFU capability/service to the HRM example.
I have added the BLE_DFU_APP_SUPPORT define...
maybe the document of GPIO Pin sensing mechanism has some wrong in the nRF51 Series Reference Manual (version 1.1).
sense high/low level defined in the document is different...
Hello,
I'm looking to find an example of an iOs code (xCode), in order to control the led with an iPhone (a simple application : on the phone, there is one button, and...
Hello all, I am using nRF51822 SDK8.1.0 SD130
The code was a central, and I want add a peripheral function.
I reference \examples\ble_central_and_peripheral\experimental...
Hi,
I can't find any data on the analog comparator delay in the datasheet. Except the 15 us for anadetect signal. Is this the delay through the comparator for normal signals...
Hi,
I am developing some DFU OTA firmware for nRF51822, QFAAH0 (v3 silicon, 256kB ROM, 16kB flash), on a custom board, using SD110v8. Both my application and bootloader...
I am playing with the nRF52-DK preview and I noticed the samples in the 0.9 SDK are set to 32k of RAM. I increased it to 64k as per the chip specification and had no problems...
Hi,
I'm in a situation where I need to get two devices communicating using S110. I am aware that I can send using S110 and I am only referring to small transfer sizes....
