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, Sir
I met a problem when I enabled ble_adv_directed_slow_enabled in nRF5_SDK_14.2.0_17b948a\examples\ble_peripheral\ble_app_hids_keyboard\pca10040\s132
The detailed...
Hey all,
I've been having a problem that it seems like a few others have had as well. When I connect my desktop computer to the devkit, it does not respond to any nrfjprog...
HI, I am using NRF52832 sdk15.2 .
I have some doubts
How to assign two to three different timers to do different functions
1. I need to read the sensor data every one...
Hello,
I'm working on a BLE central project where we want to utilize LESC Just Works Unauthenticated pairing.
I followed the recommended usage guide at https://www.nordicsemi...
Hi,
I am using nrf_fstorage_sd which uses nrf_atfifo. I would like to know what it is max usage of m_fifo queue so I can set lowest NRF_FSTORAGE_SD_QUEUE_SIZE value. I figured...
I develop an program with BLE DFU support, but we hope to merge all hex as single hex file. Then we can burn this hex file by programer (such as jlink or NRF52DK), So we have...
Hello,
I'm trying to run the s132 (and s140) softdevice while running a proprietary mesh network stack. Naturally I'm requesting a hefty amount of radio slots. I need to...
Dear Nordic,
I have an application which contain UART and BLE advertising. For power consumption i use enable disable UART.
Enable and Disable Uart:-
Is it right way...
hi..
i am using nrf52832 and a peripheral device .. temperature sensor ,my temperature values are increasing like(0 ,27,75,80...) how to get a approximate value .
i have...
Platform: nRF52832 using SDK12.2 and Keil 5.20a
I've encountered strange corner case when displaying negative floats using NRF_LOG_DEBUG .
My test code looks like this...
I want to use BLE 4.2 Data length extension to stuff more data into one packet. I am looking at the "ble_app_att_mtu_throughput" example and am getting confused because there...
Hi!!
I am sending data by BLE data received by SPI.
The interval for sending data at BLE is 64 ms.
I have written and run NRF_SPI 1 -> ENABLE = 0; and NRF_SPI 1 -> ENABLE...
can't open 'J:/Projects/..../Electronics/SDK/BT840F/nRF5SDK15209412b96/nRF5_SDK_15.2.0_9412b96/examples/ble_central_and_peripheral/experimental/ble_app_att_mtu_throughput...