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.
I am using S130 softdevice version.
Basically, I am using NUS Service and make a my own NUS central service as NUS_C.
It is correctly work at normal state.
When...
Hi All,
Please Reviwe for a attached circuit file(Chip ANT of nRF51822.pdf).
I also attach a datasheet of chip antenna applied for that circuit(SDBTPTR3015 Data Sheet...
Hi all.
I am now testing nRF52832 preview DK examples work with softdevice on MDK-ARM version 5.15 I use nRF52832 preview DK and nRF Toolbox and Termite tool. I hope: ...
Hello all,
I am having problems with scan_start function (or something connected with it). I am using NRF51822 on custom board, using BLE functionality and also UART for...
Hi,I now use the nrf51822qfaaho,s110 v8.00.
I need do a application , have customize serves, with ancs ,and with DFU function.
Does the chip can support this?
Who can help...
Hi,
this is how I initialize and enable LPCOMP
nrf_drv_lpcomp_config_t lpcompconfig = {
{NRF_LPCOMP_REF_SUPPLY_SEVEN_EIGHT, NRF_LPCOMP_DETECT_CROSS},
APP_IRQ_PRIORITY_LOW...
Hi,
I wonder if BLE_ERROR_NO_TX_BUFFERS(s110) and BLE_ERROR_NO_TX_PACKETS(s130) have same meaning.
These marco variables are defined in ble_err.h.
Thank you.
HI,ALL,
i am so sorry for my silly question here.
In ble CORE SPEC,
i saw a sentense (Version 4.2 [Vol 1, Part A])below:
"Device L is shown in the same locality...
Hi,
The SDK6.1 bootloader seems to have problems when used on a Laird BL600 module.
I'm using a BL600 with the SDK6.1 and SD7.1. I want to implement the bootloader in...
Hello!
As per documentation, RSSI is measured during the time, when particular packet is being received. In particular, nRF51822 Product Specification v3.1 states RSSIperiod...
Hi, i have a NRF51-DK (nRF51822 - PCA10028) board and using SDKv10 with SoftDevice S110.
I read everything i could find about this topic and i see people claiming data rate...
I am looking to synchronize collecting of data from outside devices with the connection interval of the nRF51822 and the S110 vers. 8.0 softdevice. Are there specific events...
I want to send big amount of data (10kb) with characteristic of 16 bytes. when the phone side is subscribed to notification I run a loop of data sending.
how can I synchronize...
I have read through the forum on this and I am still not completely clear. Here are my questions:
Can I create characteristics that are larger than 20 bytes? The Bluetooth...
In looking at the nRF51 UART Example I'm wondering about data loss over the Bluetooth interface.
When bytes are sent to the host, is there a re-transmission mechanism somewhere...
Hello,
I was just editing the handling of sent packets and I wanted to evaluate the contents of the ble_gattc_evt_write_rsp_t struct which is part of the BLE_GATTC_EVT_WRITE_RSP...