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...
I have borrowed a snippet from github nordic repository for doing a single Vdd voltage sampling. I lifted the code and installed it directly into my app. It appears to hang...
address = 0xe7 0xe7 0xe7(3bytes),
dataLength=0x01(8bit),
S1>>PID=0x01(2bit);NO_ACK=0x00(1bit);
How to calculate CRC, I need software calculation, not hardware processing...
Hi,
Greetings!
One of our product requirement is that we have to upload SIGmesh network data (lamp status, temperature etc) to cloud server
Here we have to use SIGmesh...
Hello,
will the Systick be sourced by the LFCK when in WFI/WFE low power mode (SYSTEM ON IDLE)? On nRF52 series the freeRTOS port uses the RTC as systick for its tickless...
Hi all,
I'm developing a board based on nRF52832.
I want to implement delay power on and power off through holding a single power button for about 3 seconds.
Regarding...
I am try to make twi communication and i got strange issue.
When i use twi scanner example with unconnected pins on my board , i am not see any requests
Great oddity that...
Hello,
I am working on nRF52382 IC. I am accessing GPIO also. But still i don't get the access of antenna. I have make the circuit as per the development board of nRF52...
Hi,
What is the practical maximum throughput of nRF proprietary protocol? The following table showing ESB and GAZEL has 1.3Mbps and 128kbps respectively.
https://www.nordicsemi...
Hello,
I am developing application based on nRF52833 DK. Basically, my application scans all iBeacon messages (ADV_NONCONNETABLE) and transmit to computer.
I would like...
Dear All,
I need your help because I created a PCB with the nrf52840 and a flash connected exactly as the one on the dev-board.
The only difference is that the one on...
I am using nrf52840 . I am sending data 2 bytes as FF .I put the data in 2d array like this. char dataSend[1][5]={"FF"}; This char dataSend has 1 row and 5 length .This should...
I need transfer data to/from NRF52840.
I see I can do it by using function nrfx_usbd_ep_transfer - but don't see any examples.
I want to make bulk endpoint and be capable...
Hi,
I am running ble_app_blinky example on nRF5280 custom board, it is giving me Error 133 (0x85): GATT ERROR . Since I have nrf52DK, I tried same example with SD 132 on...
Hello,
i am using the NRF52832 and the NRF52840 with different softdevices. Now I want to update the softdevices over the air and I need the SD Version strings of all the...
A bit more detailed: A bug has been detected on the device under development. It is connected with the fact that if you try to disconnect a connected device on an iMAC Catalina...
