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 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...
Hi,
I'm trying to connect my nRF51822 PCA100001 development board to a ARM M3 processor via the SPI. In this case the ARM M3 is the SPI master and the nRF51822 is the SPI...
Hi,
I am having a nRF51 DK(PCA10028) development kit. I am trying to run blinky example on this development kit using Eclipse+GCC environment. I am following nAN-29 application...
Hi, I'm trying to locate the Softdevice whitepaper (nWP-20), the S210 softdevice specification makes reference to it, but I can't seem to locate it anywhere on the nordic...
Hello Everyone ,
I want to use pstorage for my project.i get the example code from here
devzone.nordicsemi.com/.../
and its working properly(i.e read and write operation...
I am using nrf51822, after establishing connection between master and slave, circuit needs only tx antenna, is there any way to put rx in sleep mode for ble application? During...
I have some nRF51822 MBED kits and I want to use them for BLE for both peripheral and central roles. I understand that this is possible with the S130 SD and the Nordic SDK...
