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...
Hello,
i am using the PWM peripheral in the waveform mode to generate a complementary signals for a piezo beeper connected between two GPIOs.
I use the sequences to play...
I'm upgrading my code to SDK 15.2. I use TIMER1 and PPI to trigger SAADC sampling. The same to what I was doing on SDK 12.3. I was doing 100Hz sampling, but was hoping to...
I have two SPI ports, each connected to multiple SPI devices. Can I apply for two m_nrf_spi_mngr at the same time? (NRF_SPI_MNGR_DEF(m_nrf_spi_mngr, SPI1_QUEUE_LENGTH, SPI1_INSTANCE_ID...
Hi,
We are using nrf52832 with softdevice 6.0.0 ,SDK 15.0. Our code is based on the FreeRTOS heart rate example.
We have one button in our system and when we press it...
I am working on the Mbed-OS HAL implementation for the nRF52840 USB device.
I have it almost passing all the automated tests. One where it fails is when the Mbed test suite...
Hi,
Since the moment I installed and configured eclipse following this tutorial: devzone.nordicsemi.com/.../
I was never able to successfully debug any of the programs...
I have combined the ble_app_uart_c with mesh light switch example. In the file nrf_drv_uart.h it does not show the same "active defines" as with the original ble_app_uart_c...
hi...
i want a simple message model for mesh sdk latest version 3.1. From this post https://devzone.nordicsemi.com/f/nordic-q-a/37269/using-simple-message-model i have download...
Hi,
I intitialized PWM1 instance:
I use PWM1 to generate constant PWM signal with nrf_drv_pwm_simple_playback(m_pwm1, &seq, 1, NRF_DRV_PWM_FLAG_LOOP);
I also initialized...
Hello,
I have a nRF52840 DK and a nRF52840 Dongle and I want to probe the throughput example using them. But I don't know what is necessary to adapt from the example code...
Hi,
What are the options to measure the execution time of code snippets? I used app_timer_cnt_get() now and is giving 50 ticks for 1ms. Is there any way I can measure lesser...
Hello everyone,
For simpilicity,assume i have a node that is connected to an esp32, that node is configured as a coap client(actually its a node that gathers coap requests...
Hi,
I am trying to get the CRC error packets during nrf_ble_scan_start execution with nRF52840 DK (nRF5_SDK_15.2.0_9412b96) as following:
ble_stack_init();
scan_init...
I am following the readme for nrfutil on generating a package file for the secure DFU. I am using the debug version of the bootloader which comes with a predefined public...
nrf52832.
SDK14.2
Segger ES V3.34a
With an initial prototype batch of 30, we have noticed 4 modules that have incorrect voltage readings, reading low ("Bad Modules...
