I am relatively new to embedded and am wondering if there was a "best practices" guide / checklist for production deployment somewhere. Things like making sure you are using...
Hi. I'm trying to write a simple MQTT app. I am consistently getting these KConfig errors to do with variables I'm not using, and I have tried to set CMake to ignore these...
Good day,
I've developed a board with a MDBT50Q on it. I'm using the Reg0 DC/DC and LDO Mode Disabled reference circuit ( https://www.raytac.com/download/index.php?index_id...
Hi,
I have the issue that my Zigbee device reports the error "Production configuration is not present or invalid (status: -1)". I followed the guide from this( https://docs...
Hi,
I am using an nRF52840 as a Zigbee NCP. I have built the firmware myself using nRF Connect, and I am also running MCUBoot. Sometimes after some usage, the chip starts...
Hello everyone,
I am testing out I2C on the nRF54L15 for a custom PCB project.
I first tested a simple mpu6050 sensor on &i2c21 on pins P1.11 for SCL and P1.12 for SDA...
I have a bit of an unusual use case where the nPM1300 is quite ideal but need to use an external charger for the battery instead of the internal charger. The nPM1300 fuel...
I've been working with an Adafruit NRF52 Feather board for the last week, and have been struggling to get the board to go into a low power mode. At the moment, I am working...
Are there any publications, from Nordic or academia, that give estimates on what would be the maximum capacity of a BLE mesh network?
I believe there is a hard limit of...
I have created a program on Arduino which does audio/video output and takes input from accelerometer and camera module. I was able to move accelerometer code to NRF52 with...
Hello guys,
My set up is pca10028, s110, sdk 6, tablet with nrf_connect app. I am using modified ble_app_uart example. I was trying to send >20 bytes from nrf_connect app...
hello
Now i am useing the DK of nRF52832 and SDK14.0.0 of ble_app_uart.
I am experimenting to transmit data from external equipment to nRF 52832 and send data to smartphone...
Hi - I am trying to power the nrf52840 DK from a non-USB power source and it does not power up, or powers up and down immediately. I tried the coin battery (with SW9 to VDD...
I am working on a project where i need to send sensor values from nrf51822 module to a raspberry pi. The sensor values are received by the nrf using I2C protocol.
I am using...
I would like to get data from BLE device and I have two services are available in BLE device which is offering in 3 characteristics and 2 characteristics.
Can u share any...
I'm confused about the issue with using GPOPTE inputs in low power applications.
errata 97 indicates that GPIOTE should not be used in input mode
It was also discussed...
Hi,
When I build the SDK (14.0.0) with SOFTDEVICE_PRESENT and in sdk_config.h #define NRF_SDH_ENABLED 0 I get the following link error (using IAR:)
Error[Li005]: no...
I used NRF52832 TWI master to drive BMA223 sensor,
a. gs.c/gs.h are the driver codes
b. the i2c wave is looks right, but there still not generates a NRF_DRV_TWI_EVT_DONE...
What are the guaranteed state of the IO lines (configured ax I2c) when in system off mode? Specifically I want another device to be on the bus acting as a master while nRF52832...
For RED certification of our product, using the nRF51822, we need to provide documentation about "Block diagram showing antenna, radio receiver and transmitter parts as well...
Hi,
May I ask a simple question about an example how does it generate its own advertising address, such as the "ble_app_hrs" example? I mean where I can find device address...
Hi,nordic：
At this topic: devzone.nordicsemi.com/.../
I know that notify is 100% safe in LL.Before that,i know in bluetooth core4.2 LL has SN and NESN field to guarantee...
