My sensor is off-standard,so I have to use gpio to read and write my sensor.
Gpio IIC will take about 0.5ms to get data.
My app need send data every 7.5ms,it seems that...
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...
Has anyone converted the app note AN34 DTM Python script to C# or C/C++ ?
The Python DTM script is works OK with the setup specified in the app note AN34 figure 2, which...
Hi,
I have a serious problem, when I use uart of NRF51822 QFAAC0 to receive data from another MCU, I found that it will lost one bit at same position everytime. my SDK is...
Hi,
I just started to interface the lcd display with nrf51822 evaluation board. The display i'm using is, spi compatible, 18" tft (160x130) from tiny lcd. I took spi master...
Hi,
We are using the nRF905 device in an application where it needs to switch between auto-retransmitting and sending single packets, due to it communicating with several...
Hi,
I try to modifie ble_multilink example et send more than one data,
here is my main code code :
static uint8_t test[4] = {0x41, 0x42, 0x43, 0x44};
static...
Hello,
SPIS is adding a 350uA from 80uA baseline running current. I would like some tips and advise on improving this. Thanks!!!
The baseline operation consists of:...
I am using eclipse as IDE , but when i build ble_app_hrs example it's getting an error ../../../../../../components/ble/ble_advertising/ble_advertising.c:195: undefined reference...
I have a 32u4 Feather but don't get the right support from Adafruit to create my own Profile. I have downloaded Nordic's android app and can see all the characteristics on...
Hi.
I'm trying to enable and disable softdevice repeatedely.
In my code, softdevice is firstly enabled then advertising properly.
After some seconds, softdevice is disabled...
Hi,
I used the ble_peripheral and ble_central example and I send messages from one to the other.
Know I need to do the same with multilink.
I managed to connect ble_multilink_central...
hi dear Engineers!
the questions is it possible to use RX RF reciever to estimate the average BW RF signal input power like I do it in Semtech 433/868 RF SoC to make desicion...
hi, all
my nrf52832 can not run good when download the program into the flash, and can not run good in debug session mode without breakpoint , but if I add one breakpoint...
Hi,
I am trying to send L2CAP connection reply by using this "sd_ble_l2cap_ch_conn_reply()",but i am unable to see the packet on wireshark. The incoming connection handle...
Hi I note here that it is recommended to apply solder mask to the ground layer beneath the nRF24L01+ exposed die so they don't connect:
devzone.nordicsemi.com/.../
But...
I'm finding a discrepancy with numbers between the nwp_008 whitepaper (quarterwave printed monopole antenna for 2.45ghz) and AppCad values.
I've assumed you can measure...
Hi.
Months ago I loaded the nfc_url_record example and it worked fine.
Later some time I updated the packages, and since then that particular example gives errors.
The...
Hi,
Anyone familiar/experiened in production-test gear for BLE?
Test sets, i.e. LitePoint, Anritsu, USRP, NI?
What's relevant to test, i.e. output power...
Figure 222 of the OP spec states "important: no components in bottom layer". Are you recommending that we keep the bottom side clear under/near the nRF52840? This feels a...
I met some problems in testing ECDH , the project is the example in E:\Source\NRF52832\nRF5_SDK_11.0.0_89a8197\examples\ble_peripheral\ble_app_uart\pca10040\s132\arm5_no_packs...