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,
For my research project on novel antennas I need a demonstration prototype, and the nRF51822 Beacon Kit would be ideal for me (due to its small size and battery power...
Hi there,
I was wondering it it is possible to use MATLAB as a central device, using a third party dongle?
The MATLAB Instrumentation Contol Toolbox can be used to control...
Bluetooth v4.2 included an ability for attributes to be greater than 20 bytes of payload data long. Is there anything in the nrf51822 hardware that would prevent this from...
Hi,
Does anyone know the maximum baud rate of the nrf24l01+? I am trying to talk to it through SPI but observe that when I increase SPI speed I read incorrect values. Does...
Recently I was attempting to use the nrf51822 SDK's app_uart module's APP_UART_FLOW_CONTROL_LOW_POWER mode (currently using APP_UART_FLOW_CONTROL_ENABLED ). I noticed that...
Hello,
I would like to send some data i read over I2C. But the I2C and BLE Stack should not run at once, is it possible to check the state of the BLE stack?
The core specification v4.0 vol 3 part C section 3.2.2.3 "Bluetooth Device Name -- Representation" states that the device name can be up to 248 bytes. I've confirmed that...
Dears:
I know there are three modes as below :
(1) internal LDO regulator
(2) 1.8 V low voltage mode
(3) internal DC/DC converter
So, I have some questions as below...
Hi, we are trying to calculate operational current. Does anyone know what the test voltage is in nRF51422_PS v3.1. I assume for typical it's 3.0V and Max is 3.6V?
Also is...
I have a 256k NRF51822 with S110 installed.
I have a small custom bootloader that is located at 0x3f000.
I used nrfgo studio to install the S110 stack, then the bootloader...
Hi everyone !!
I have this hardware mapping, and I'd like to detect pin state change with an interrupt.
My problem is that it seems I can't configure an interruption...
I'm new to Linux, new to embedded code but 15 yrs experience in Windows development. So, I got this project where I need to interface from BeagleBoard-xm running Ubuntu Linux...
