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...
ble_app_uart_c_pca10056_s140 fails with an assertion - I have downloaded nRF5_SDK_14.2.0_17b948a. For the example project examples\ble_central\ble_app_uart_c\pca10056\s140...
Hi,
I am trying to write a 120 byte data through ble to raspberrypi from my android app(I increased the MTU to the required limit). But all I am able to transfer is first...
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Let's assume, we have a provisioner (client) and several successfully provisioned servers in a mesh network. We now want to remove one of these servers from that...
Hello,
I am currently migrating from SDK12.2 with softdevice S132 V3 to SDK14 with softdevice S132 V5 and have a problem configuring device names larger than BLE_GAP_DEVNAME_DEFAULT_LEN...
I am using nrf52832_xxaa and I'm porting my device from SDK11 to 14.
I have found that new sections have been added in the linker file of the examples like sdh_soc_observers...
Hi,
I use SDK v13.0.0 with SD S132 and to debug my application I use UART0 on Putty.
When I use SPIS (0) (no BLE and no softdevice) alone I perform all functionalities...
hello:
i use timer1 to get a pwm waveform,when i use RTT to test it,the waveform is ok,but when i take out the RTT,and Remove the battery and put on the battery again to...
I've made a custom board with nrf51422-QFAC, which I can program with nrf51-DK. I'm using SDK 12.3.0 and SD130, which is flashed to the custom board.
When I program the...
I'm trying to setup logging with printf() over UART and I got totaly blocked by following realy strange situation.
Let's have following very simple log_test.c:
Then...
Hi. I'm quite new to nRF programming. I successfuly solved how to compile/link/flash the software onto nRF52 DK using just a simple editor (Notepad++), the ARM toolchain and...
Wondering if there are any example/reference implementations of a bootloader for the nRF51822 that support Device Firmware Update over both UART and BLE? We've got the BLE...
Hi,
I have met problem when apply dfu of nrf52810.
I used dfu sample of 52810 from devzone link: https://devzone.nordicsemi.com/f/nordic-q-a/28471/about-ota-for-nrf52810...
I met a big issue when implement the voltage level switch. I used nRF52832's SPI to communicate with an ECG sensor which has 1.8V SPI. The issue is that, 3.3V signal from...
Having just got the DFU functionality working I got the task of trying to add NFC functionality to the application. The code side was not a problem since I got a c and h file...