I would like to develop my own central device to communicate with the RedBear Arduino shield. The RB device uses a from of UART communications to send data to/from Android...
I was wanting to use a nRF24L01 with a breadboard but its pin-out didn't allow it. A solution then occurred to me based on parts at hand. I wrote it up with instructions and...
Hello. Can I get a literature to the nRF51 series?
I need a full abstraction of the nRF51, like a book or other information, it's structure schematic of build-in modules...
hts, HTC phone, nrf tools HTM, nrf51822,
every time when it's power up :
the once connect: error code 0x7A cann't read characteristic and 0x14 state change.
the second...
Our company needs wireless temperature sensors (can be externally powered or battery operated) and transceiver with 4 channel analog outputs. It has to be finished product...
I am toggling Value of slave through a button on nrf51822ek .This Value is displayed on MCP of dongle, but i have to get this value on terminal to send it to pi then through...
Hello, I am tryong to use to masters to communicate with two accelerometers.
Q1_ I found the following image from Nordic's website that shows SPI0 pins but there is no indication...
in the answer of this question it said that :
You are also not allowed to send a new
indication until the previous one is
confirmed. This is signaled by the
reception...
I found this: github.com/.../nordic-nrf52832-gcc and tried to add it (and its dependency to the nordic-nrf52832-gcc 0.1.0 target to yotta with no luck. Is there a description...
Is there a maximum consecutive receive time similar to the maximum consecutive transmit time? I am operating in 1 Mb/s ESB mode. I am seeing the Rx get disabled approximately...
I am developing a ble program for the nrf51 DK using mbeds api and it is supposed to send 11 packets (notifications) when written to a specific handle. So far it works, but...
I'm receiveing this error 7 on line error 296. the only APP_ERROR_CHECK on line 296 is hci_slip_rx_buffer_register . this documentation doesn't not give any description of...
HI,EVERYONE,
in the document 'nRF51422_PS_v3.0.pdf' ,Page 167, there is such statement
'The selected analog pin will be acquired by the ADC when it is enabled through...
Hi !
According to application requirement, we need to minimize the RSSI variance of the BLE beacon as small as possible. Our RF team has tried to minimize the 37/38/39...
Hi,
I am trying to bond the nrf51-DK with the android smartphone. I want to display the passkey to the user which would be done using BLE_GAP_IO_DISPLAY_ONLY. After which...
Hi, would there be any drawback in setting TIMER_PPI_CH_START to 11 to maximize the number of free PPI for application. 14->15 should be free to use in timeslot and ppis are...
hi, i am new to embedded system.
I am using SPI interface to collect data from the slave(imu) and transmitted it to nrf52 DK,previously,I just used RTT to show the received...
Hello,
I am truing to store data in the UICR register "customer area" from application code. The procedure is invoked only once when the registers are still empty. The...