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...
Hi Nordic!
I faced a problem when I want wake the MCU up from SystemOFF.
When my nRF51822 is in SystemOFF mode, a watchdog chip wakes up the MCU. After sending the...
Hi.
I think i just fried my NRF52840 dongle. VDD out is only about 0.5V :| I'm currently powering it from the usb port (VBUS is correctly +5v). Could it be that Ii only...
Hi,
I"ve designed a custom board with the MDBT50Q module (part of the schematic below). When writing my program to Flash 0 and Ram Memory 2000 0000, the program won't load...
I have been experimenting with the example of the MQTT Client Subscriber/Publisher from de nRF SDK. I use:
SDK v15.3.0 (also nRF5 SDK v15.2.0).
Raspberry Pi 3 (as a...
Are there any working projects that integrate TWI and MPU6050 sensor. That are edited by KIELu5 and follow the SDK 15.3v ? I tried modifying the 'twi_sensor' project but I...
Good day
Im trying to switch off an LED when my relay/hopper is not advertising. I switch the LED on successfully when transmission starts but I'm struggling to do the sd_ble_gap_adv_stop...
Hi, everyone,
now I'm test " \ncs\nrf\samples\nrf9160\gps\build_nrf9160_pca10090 ",
it's error about" nrf_socket.h: No such file or directory"
I'm find the file at ...
So this is a small continuation of this ticket https://devzone.nordicsemi.com/f/nordic-q-a/50656/using-pdm-mic-on-nrf9160dk .
The problem I'm having now is that when I run...
I wrote UART echo sample based on ble_app_uart_c for S140/ nRF52840-DK.
When nRF52 receive one line on USB/UART, it send same line to USB/UART.
I also write Linux socket...
I am following this tutorial:
https://devzone.nordicsemi.com/nordic/short-range-guides/b/software-development-kit/posts/application-timer-tutorial?CommentId=43347679-22d9...
Hello,
I want to use the ADC for a burst @ 8khz.
I use this sample " test_adc_sample_with_interval " from https://github.com/zephyrproject-rtos/zephyr/blob/master/tests...
Greetings...
Please help me understand why PB-GATT support is removed from SDK UART coexistence example?
The dilemma I am facing is as follows:
1. No PB-GATT for SDK...
Hello, Currently, we trying to use PPI with the SPI module (we use the SDK 15.3.0) We expected that the SPI makes one read transaction every 5 us ; to do this, we use 2 PPI...
Hi there,
My project needs TrustZone and ETB feature. The manual clearly states that the board supports TrustZone and ETM. I wonder if it also supports ETB to store trace...