I am using the NRF24l01 for my products and looking to buy in bulk(100-1000). Now I know where to buy the just the IC but antenna design is a hard point to break right now...
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,
Long story short, I made some boards using nrf9160 modules, received parts from DigiKey, soldered but can't make them work, at all.
nReset pin is stuck low. Tried...
I am using nRF52832 for high-rate sensor.
Of course, I can use SPI using CPU but it's busy for other jobs.
So I want to use DMA if it's possible.
Currently I am using...
I am using the nRF5340 and trying to get MCUBoot working. I am running into problems and looks like I need to edit the MCUBoot code, the problems are long and numerous too...
Hello,
We're seeing an error that only happens after a cold reboot (unplugging the battery and replugging it) and it happens inside the bootloader while trying to open the...
Hello everyone,
I'm using the Bluetooth Peripheral sample UART and have noticed an issue.
When I perform a lot of sequential pairing requests followed by cancels from...
When I flash the card and run it, I encounter the screenshot I shared in the attachment. The error "Modem has crashed, reason 0xfff, PC:0x0" occurs. Can't I send messages...
Hey,
I'm running into an issue attempting to use AGNSS & AWS IoT Core on a custom nRF9160-based board.
I have a Lambda function in AWS that listens for AGNSS requests...
I recently bought this display that is 64x32 pixels and uses the SSD1306 driver . When running the LVGL Basic Sample with the Zephyr ssd1306 _128x64 shield , the display works...
NRF52840 uses 2.5V power supply. We found that when the voltage drops below 1.7V, even if the voltage returns to 2.5V, the entire system cannot work and JLINK cannot connect...
Hello,
We are using the npm1300 PMIC to run the nrf5340 VDD at 1.8V. If we connect D+ and D- from the USB port directly to the D+ and D- pins, will the USB peripheral...
I am developing a custom nrf5340 board design, that is using the BL5340PA external antenna module to implement the nrf5340 chip in the design. The BL5340 module allows all...
Hi, I recently noticed crashing in sd_clock_hfclk_is_running() on a nrf52840 using SoftDevice S140 7.3.0. This is the callstack:
??@0x00000ac4 (Unknown Source:0)
...
Hello,
I am purchasing a RAK4631 module, and am looking for an alternative for the J-link single step debugger. I saw that this product had a o n-board SEGGER J-Link debugger...
Hi ,
I am exploring the peripheral examples from the nRF5_SDK_17.1.0.
I am testing the example code "flash_fds" from the peripherals. I am able to compile the code without...