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,
I have loaded the NRF beacon app and it's wonderful that it has a tasker integration. I need to push simple REST commands on discovery of NRF51822 beacons by this NRF...
In the examples such as the hrs, if bonding is enabled by:
#define SEC_PARAM_BOND 1
does the SD automatically save the bonding info the first time it bonds, and then restore...
I would like to program an external flash using SPI during production and I was wondering if there is a tool available already or if Nordic can put this feature into nRFgo...
Hello, I am a android developer.
I have developed one android application scan BLE device. It's working fine to scan BLE device.
Now I want read advertisement package of...
Hi,
we are producing a BLE beacon using nRF51822 and at first we are interested only in CE qualification.
Our design uses nRF51822-QFAA, build G0 (or GC or FA), with ST...
Hi,
I understand the the Android Counter part will disconnect from the my NRDF board if for debugging purposes I stop at break point in the code. (I'm using Keil uVision...
Hi Guys,
I need to implement real time streaming of accelerometer and gyro values from the nrf51 DK to either a desktop or android system. Could someone please help me...
Hi,
I recently completed a project that acquired data from an ANT+ sensor via the ANTUSB-m device. In order to develop the application further I purchased the nRF51 Dongle...
A general question, not really related to Nordic, but...
I have seen several references to BT 4.0 headphones. I was under the impression that BT 4.0 didn't have a profile...
I am trying to disable rx after starting data transmission, is there any way to do this for ble projects, and is there any advantages in terms of lower power consumption?
txidle.png
In the attachment there is a method to reduce delay while transmissiom. Do you think this can help lower the power consumption? If so how can we do this using...
Hi,
In pstorage.c, function uint32_t pstorage_init(void), there a call to sd_flash_page_erase (line 846):
// Erase swap region in case it is dirty.
retval = sd_flash_page_erase...
Hello,
I'm curious about how to deploy my application to multiple nRF51 Dongles at the same time while I am developing. I have the same application / hex file running on...
