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 happily use the JLINK UART interface which show up as COMxx on windows for both the PCA10000 and PCA10001.
We are trying to 'see' the same on Linux. Have inatlled...
Could you please let me know the current rating in between retries while transmitting.From the oscilloscope reading, that is not obvious. The documentation shows three idle...
Hi
We had some problems updating our devices with the nRF Loader App on IOS. After selecting the device in DFU mode the App hangs and aborts with a Bluetooth error after...
Has anyone been able to get the DFU over the air bootloader to work with gcc and the newest SDK (6.0)?
I have followed all the tips I can find on here to get it working...
I'm wondering if the timeslot API is planned for the s130 or if it's intended to be s110 only. If it is eventually getting added to the s130 is there a loose time frame for...
Hello,
i am using the nrf51822 with softdevice s110. In the spec i read that the contoller works as well with an external 32khz reference which i want to use. The oszillator...
hello everyone,
i use nrf51822 and i want to use one switch that wakeup the module from sleep mode. so can i connect switch to gpio of nrf51822 module. if yes than which...
I'm a newbie so bare with me. I had this code running, saved it, and started another project. I tried not to touch any of the files I had running with the example below, but...
application note nAN-034 describes two alternatives for production testing an application using the nRF51822. One method is using a commercial tester (MT8852) and the other...
I need to send data PIR motion detector sensor to the master controller in my motion detector network.
Can I get away with just one of the nrf51 chips and my PIR sensor...
We're trying to decide at what voltage we should run our nRF51822 on the next revision of our board. To date we've been doing fine at 1.8V. The current drawn on a 3.7V lithium...
hi, i made ble app including bootloader using nRF51822 (s110), sdk 6.1.0
when i use sd_nvic_SystemReset() function in app, it erase app's pstorage.
But i want to preserve...
Hi,
I use S120 as central device and I need to handle multiple connections.
However S120 works quite unclear to me.
If S120 doesn't reply to BLE_GAP_EVT_CONN_PARAM_UPDATE_REQUEST...
Hello ,
I am trying to develop an application using the S130 soft device using Keil MDK v5 Lite. I have came to know that it is not possible to generate a code size greater...
I've run into a problem using the provided spi master code.
I get the following error message from Keil
spi_master.c(381): error: #1059-D: an entity with an internal...
