Hi,
I noticed in the nRF54L QFN48 reference design, for the NRESET pin, there is an RC filter (1Kohm series R and 3.9pF shunt cap). What's this for and is it necessary?...
Hello,
I am using a nrf5340 dev kit. When I use SPIM the output from the pins gives the correct hex values but the output's amplitude is only around 100-200 mV. I know that...
Hi,
I'm using the nRF52840 with the SoftDevice for BLE. In my system, it's primarily a BLE transceiver controlled via SPI by an external TI MSP430. We're considering implementing...
Hello,
I want to request AGNSS information from nrf cloud services using my nRF9151DK board. As a first step, I flashed the nRF Cloud multi-service application onto my DK...
Hello,
I just received my Thingy:91X which I purchased through DigiKey. I am trying to connect it to hello.nrfcloud but I keep getting the following message: " The fingerprint...
With reference to the Thingy:91x reference design, I see that the LNA (SKY65943-11) on the GPS signal path is powered by one of the switching converters from the nPM1300:...
Hi,
I'm using cdc_acm to create two COM ports on a PC -
// USB support
& zephyr_udc0 {
cdc_acm_uart0: cdc_acm_uart0 {
compatible = "zephyr,cdc-acm-uart" ;
...
Hello:
I dont seem to understand what the problem is. I have 2 external ICs, one is an IMU and the other is a CDC. Both have interrupt pins connected to the nordic nRF52832...
Hi All,
I am working on a project where i need to use a SPI 128x32 OLED display and a SD card interfaced over SPI to nRF52840 along with BLE. Although, i tried this with...
Hello,
I am developing a BLE app in which I need to print some logs to UART and recive some data from UART to my app.
Which modules should I use?
When I use logger...
my question is how to change the uuid in central to connect to peripheral and i want to send 20 bytes to central device using this uart_peripheral.
first of all my connection...
Hey,
I want to read the value of characteristic of conneceted peripheral. I'm using two BLE modules, one is peripheral and one is central. I connected with central to peripheral...
Hi. I have several questions about mbr.
1). Will mbr finish to write after unexpected power off?
2). Can I copy softdevice + application or only application using sd_mbr_command_copy_sd...
Hello,
We are trying to put togheter a custom mesh communication protocol based on nrf24L01+. Everything was good until we made transmission tests outside, from ground...
Nordic board nRF52 PCA10040, V1.1.1, 2017.1, 682048249.
The pins CTS, RxD, RTS and TxD are currently driven by the MCU. I want to use the SPIS0 in the nRF52832 with the pins...
Is there a Setting in IAR to program nrf52832 without Power cycling
nrf52832 does not start after programming from IAR IDE, using J-Link
But..
For both With J-Link...
I have been experimenting with using some peripherals on the nrf52832 without using the SDK. Primarily of interest to me right now is the low power comparator (LPCOMP).
...
i use nrf52832 .i want to connect device and send advertisment data at the same time. But peripheral mode cannot connct device and send advertisment at the same time. central...
Hi!
I am sorry if I had repeated questions in this forum. I would like to understand few things.
Test scenario
Central - nRF52840
Peripheral - nRF52840
Bluetooth...
I want to add wdt function in ble_app_uart. Please tell me where should I feed the wdt.
in below main loop?
for (;;)
{
power_manage();
nrf_drv_wdt_channel_feed(m_channel_id...
I'm trying to decide the best way to be able to have sub millisecond time keeping, but keep the processor sleeping until it gets a hardware interrupt.
Basically I need...
Hello Nordics Developer
I'm from indonesia, i'm electronics designer, i have develop new products using BLE, first develop i'm using nrf51 series but And my boss ask is there...
