Hi, my friend,
I've been with nrf905. I use a 16-bit CRC check.
But I encountered problems in use:
1.Nrf905 16-bit CRC check format is CRC-16(IBM):X16+X15+X2+1 or other...
I have two custom PCBs, each of which has a microcontroller and an nrf24L01+. Everything related to the transceiver in the designs are complete duplicates (with the exception...
Hello,
I've built a small BLE-device based on the nrf8001.
With my Iphone I can discover this device and I am able to connect to it and listen to notifications of the...
Our pcb is used for gps location data. We have a nrf24L01 nordic chip as the micro process or between the gps module and wireless module (2G). Our engineer needs to capture...
Hey folks,
I'm trying to modify the SPI Master loop back example into a 4 line SPI Master_Slave program. Whenever I change the Tx_Buffer_lenght from 10 to lsome other numbers...
Hi.
I am using S130 softdevice version.
Basically, I am using NUS Service and make a my own NUS central service as NUS_C.
It is correctly work at normal state.
When...
Hi All,
Please Reviwe for a attached circuit file(Chip ANT of nRF51822.pdf).
I also attach a datasheet of chip antenna applied for that circuit(SDBTPTR3015 Data Sheet...
I am developing a script that runs on the nRF51822/ BLE nano to connect to other devices using blue tooth low energy. To do this currently I am looking at the heart rate example...
I am testing the ble_app_uart and nRF UART app. When I transmit the message from mobile phone to the module. The module can always receive the data and display on the terminal...
Here's the original error:
compiling app_util_platform.c...
C:\Keil_v5\Nordic_SDK\nRF5_SDK_12.1.0_0d23e2a\components\libraries\util\app_util_platform.c(17): error: #20...
am trying to use SPI with nRF 52832.
So I implemented spi_master.c which was used in nRF 51822.
However, it does not move hard.
The length set by SCLK does not come out...
Hi,
So I'm fairly new to programming the nrf51822 and using the Nordic platform.
I'm currently using the nrf51822 Waveshare DK. I have setup JLink5.1.2, nrf5_MDK_8_5_0...
Hello,
I am using SD 130 on nRF5 with SDK V12.1.0.
I want to write to a characteristic using the android debug app (nrf connect).
This is my code for the characteristic...
Greetings,
As mentioned in this blog post, GCC compiler -flto flag isn't mysteriously present since SDK 9.
devzone.nordicsemi.com/.../
Any specific reason for this...
Hello,
I use a SparkFun programmer to flash a nRF52832, once I flash my board (with the program below), I type in my terminal : "JLinkExe -device nRF52 -speed 4000 -if SWD...
I have many peripherals, dealing with each of them individually will be very ineffective. The peripheral has no buttons, but it has a display.
Questions :
For security...
Hi,
In my application of interfacing SD card with nrf52, I am using SAADC to sample the input signal at 1000 samples per seconds. These samples I am combining in 84 packets...
I have set up ble_app_uart along with gpiote and spi. When I first trigger the GPIOTE event the MCU is supposed to go to sleep after, but it seems to keep running in the main...
Hi Everybody!
I'm trying to integrate a buttonless dfu into my application but I'm not able to get even the provided example in SDK 12.2.0 "experimental_ble_app_buttonless_dfu...
Hi,
When calling app_sched_event_put inside the same hanler i am exit to main for(;;)
The main loop
for (;;)
{
nrf_drv_wdt_channel_feed(m_channel_id);
app_sched_execute...
Hi,
What is the valid configuration for SAADC with oversampling for nrf52 sdl12.2
I try
SAADC config
SAADC_CONFIG_OVERSAMPLE 4
nrf_saadc_channel_config_t channel_config...