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...
Can I use an external edge-triggered (negative edge) interrupt (on a GPIO pin) to trigger an I2C write via PPI? If so, do the I2C registers need to be reloaded each time?...
I'm having trouble using an external j-link probe (J-Link plus compact) with the nRF52840-DK with Segger Embedded Studio. I am powering the DK from USB (Sw9 VDD) , using the...
Hi Great QA team:
Our clients are studying for the details of 52833. And they'd like to know the maximum external draw current through VDD at high voltage mode.
It's clearly...
Hi,
I am testing the ble blinky example as it is from SDK v16.0.0. I am seeing a good amount of time(~340ms) from reset(pin reset) to advertise the first packet. I am keen...
So for this what I am trying to do is-
result = ((float_t)0x3F4040A3); NRF_LOG_INFO("My float number" NRF_LOG_FLOAT_MARKER "\r\n", NRF_LOG_FLOAT(result));
But this is...
Hi
I have a strange phenomenon when using ANT proximity function.
Configuration: nRF52840, SDK15.2.0, softdevice S340 v6.1.1
The following initialization function of...
I've been using the USB HID Composite example along with the advice from this thread https://devzone.nordicsemi.com/f/nordic-q-a/38271/writing-words-to-usb-composite-keyboard...
Good day
I'm trying to run the ANT IO demo using two nRF52840 DKs. In order to do that I am trying to migrate the example from softdevice s212 to s340. I am currently using...
hi,
i want to connect 18 peripherals to a central. if iam changing NRF_SDH_BLE_CENTRAL_LINK_COUNT and NRF_SDH_BLE_TOTAL_LINK_COUNT more than 8, all peripherals stop pairing...
Hi,
usbd_cdc_acm project implemented UART over usb, which is great. However it cannot send bytes from PC to DK board, only DK board back to PC.
In order to implement sending...
I use the SPIM to access a nand flash memory device. There are times, when I need to "free" the SPI bus allocated by the nRF52840, so that another CPU can access the memory...
I have been closely following this thread ( https://devzone.nordicsemi.com/f/nordic-q-a/52689/nrf9160-lte-sensor-gateway-on-thingy-91/217018 ) to provide support for the LTE...
Hello all,
I am using the NRF52810 board with SDK 14.2
I wanted to convert pca10040 to pca10040e file of buttonless dfu and secure bootloader .
I have gone through this...
Hi, I can read data with my laptop BLE as below.
Could anyone tell me where can I find the data layout doc? I want to figure out the data layout and dimension.
Thanks...
I've been having several issues with the nRF52840 so far:
Issue 1:
When trying to flash an nRF52840 with NCP firmware using a Segger JLink, I connected the SWDIO and...
