A new library/toolkit has been built that allows us to invoke the services of an nRF24L01 from a Java environment. Documentation and links to the Github project can be found...
Hi,
I am sending data from Android phone in every 200 ms to nRF8001. But sometimes I found there is a 50 ms or 100 ms delay. It looks like nRF8001 spending some time in...
Hello,
I'm starting a new nRF51 project on mbed for a custom board. I wish to know what is the "cleanest" way to define pinout (what file to edit) ?
Thank you
I have enabled data ready interrupt bit and also enabled the fifo bit and also enabled gyro_fifo and accel_fifo bits in mpu6050 so that when data ready interrupt occurs the...
I will be selling various ble products. My customers can connect to and program the devices using their bluetooth smart phone or tablet.
I want them to have the option...
Hi,
I am trying to run nRF24L01+ in default configuration using simple ping-pong examples using RF24 Arduino library.
The problem is that while ping-pong is getting through...
I downloaded nRF51 SDK 5.2.0 and I am studying the examples for S120.
I notices that there's no gcc directory, thus only Keil compiler can be used. Is there a way to use...
Hello,
I have some questions regarding bluetooth low energy and the NRF51 series.
[list=1]1) I have to synchronise maximum 17 sensors, so i will maximum need 4 masters...
Hi.
I am looking for the internal resistance of the ADC pin of my nrf51822. I have looked at the Product Specifications (as well as the Reference Manual and other documents...
I find it unstable to send hid data, even if I set timer 1 every 8ms to send hid data.
I can catch data bag from wireshark it seems that interval of two data even close...
Hi All:
The hardware is working perfectly up until I changed some codes in the program and load it on the chip then I am unable to program again. The error message is:...
1.Size of EPROM. Is it big enough for our program as well as our data file for the whole day?
2.How can we secure the EPROM so that no one else can overwrite our code or...
We have an application that is an apple ibeacon, plus some extra properties that can be read (battery level for example)
The "ibeacon profile" eats up all the space in the...
Hi Guys,
i'm a newbie, trying to get the heart rate demo project working.
I've connected the nRF8001 to my own hardware, using a PIC processor.
i'm able to connect...
Hi,
I have a question about the service profile (ex:heart rate service, battery service,etc...), these services are based on protocol of IEEE11073-20601? Actually, I want...
See subject. The softdevice is currently installed on the chip (v6.0.0-1.alpha)
I searched online, and found some information that the security state of the chip has been...
Hi all,
When I receive data from the phone app, I do it via this service handler (and it works):
err_code = ble_services_init(&my_device_service, ble_receive_handler...
error:-559038737 ...line:1128 file_name:src\ll_lm.s0.c
And I can't find this file, so can somebody help?
Why this happen? How can I do to avoid this？ It will cause reboot...
Hi,
My android Proximity application fails on service discovery only for the very first time it connects with the devices(nrf51822 evaluation kit with sdk 5.2.0). Actually...
Hi
I would like to use the arm based energy micro MCU to update 51422 via UART
I've understood how the firmware update example with hci, but I need a set of hci api to...
