I’m working with a device that communicates over single-wire UART (half-duplex), where TX and RX share the same line (because the peer device is designed that way). Now I...
Hello,
I recently got a BL653 Click Board and am trying to program it. As I do not have a supported MCU for the NECTO Studio IDE (the ClickBoard's manufacturer IDE), I...
I was looking down at the pinout schematic of the nrf52840 aQFN73, in the schematic provided in the data sheet from v1.1 to v1.11 VSS_PA pin is below ANT pin, but once in...
Hi,
I'm looking to use the nrf connect sdk for development that is compatible with the latest zephyr lts. I believe it will be ncs 2.9.2 compatible with zephyr 3.7.99 (3...
I'm still new to this but particularly in regards to battery. I have a custom board with a nrf5340 and have been working on reading the voltage. I used the battery sample...
This is NOT a runtime error it's a compile time error (application). Failing at stage [154/159] Linking C executable zephyr\zephyr_pre0.elf
Having started by following...
Hello,
I am designing a custom PCBA based on the nRF7002DK PCBA and I really need the Fabrication Notes / Drawing that officially went to the fabricator to direct the build...
Hello!
I would like to measure RSSI for different channels so as to decide which channel is the least noisy one (and more particularly, which ones are already used). I...
I am trying to choose a BLE device for my upcoming biomedical product design. Any help in comparing these 2 devices will be greatly appreciated.
Things I am concerned about...
Hi,
I am using the nRF51822 with an external chip. The nRF51822 has interrupts which trigger when one of the signals from the external chip goes low. When using BLE and...
My program does a lot of dynamic memory allocation and at some point "malloc" retruns NULL , which is cause the system running out of allocated heap memory (I am assuming...
Hi,
i am newbie to nrf51822 and want to know details of following stuffs:
1)what is use of uicr?
2)if i place some value in uicr and then change the image,then is there...
Hi guys,
i asked a similar question [1] few days ago, but yesterday i stumbled over the "service_data" type when advertising packages.
I've written a custom service...
Is there a specific part code for the latest Rev 3 QFAC silicon for the nRF51822? We were trying to track down a source with stock of the latest chips, but most resellers...
I'm having trouble using the RTC1 COMPARE function to generate an event/interrupt when the processor has been put to sleep using sd_app_evt_wait().
My configuration is...
Is it possible to use the nRF51 dongle as a slave ?
I have a nRF51422 Eval board that I am planning to use as a central device. Can I use the nRF51 as a slave so that I...
Hello we have developed a few products which have required (costly) RF/RFPHY testing.
Is there a reference design that is qualified that can be used to avoid the RF/RFPHY...
Suppose a BLE central needs to get sensor data from 10 peripheral sensors. Given that there is a limit to the number of connections a BLE central can have, is it better for...
Has anyone managed to get this revision of the nrf8001 IC working?
i bought 280 of them and none of them seems to work as it should.
When i reset the chip i get no interrupt...
I tried to download softdevice 8.0 and the example code of SDK8.0
(\nRF_Examples\8.0.0\dfu\bootloader\pca10028\dual_bank_ble_s110\arm5)
to PCA10001.
First I Copied the...
I'm devloping application on nRf51 for that i'm using... SDK : nRF51_SDK_7.2.0_cf547b5 Tool chain : GNU tools arm Embedded [arm-none-eabi version 4.9.3] Dev Board : PCA10028...
