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...
hello!
ANT protocol;
have three nrf51922 , A can find B, B can find C. but A can't find C. A. how to communicate with C by B ? And C how to return a reply?
I want to know...
Hi ,
i am using ppi channel 0 for i2c1 bus (Accelerometer).
and also i am using ppi channel 0 for i2c0 bus (LED controller).
But both are working. but some times...
I took the ble_app_proximity as an example.
Before I introduced the scheduler it worked ( not always but reasonably well).
I added APP_SCHED_INIT(SCHED_MAX_EVENT_DATA_SIZE...
I would like to build a avdertising node for the public usage. So without previous bonding everybody should take the advertising through mobile application. Application is...
Hi all,
I use the nRF2402 to do communicate with nRF24L01+.I have read the all the information from Product_Specification_nRF2402_2_2,
but I still know how to set the...
hello everyone,
i am studying about BLE i found that there are two types of advertising packet formats in LINK LAYER one format is there, in GAP one format is there, on...
Hello,
Is there a way to find out the currently used connection interval when configured as a server?
I only found the function sd_ble_gap_ppcp_get which provides the...
Hi,
I have created two proprietary characteristics with notification property to notify some data's using these two characteristics when some event occurs. I can able to...
Dear developer zone,
I am using nRF51822 with soft device and SDK 4.4.2
My device return an error on disconnection when the ble_bondmngr_bonded_masters_store function...
Hello,
I want to test my circuit using a CR2032 coin cell. Is there any way to jumper a coin cell into the supply on the nRF6310 and bypass the voltage regulator/RS232...
Hi,
I am curious what is the main difference between nRF8001 and nRF8002.One is for connectivity and the other is for proximity. However, I would like to develop an application...
i need a help with the attenna design. here is the eagle files, i'm not sure it is fine. i used a Balun BAL-NRF01D3 and my board thickness is 0.6mm. i need to know the copper...