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nRF52840 PCB review (2 layers)

I am currently working on a project that involves a Garmin-style devices to display acceleration and velocity data, connected in ANT. I have some background in both software and hardware development ...
Frusciante89's user avatar
1 vote
2 answers
656 views

NRF52 - unexpected high power in idle mode

I am trying to program a low-powered Bluetooth Low-Energy sensor using an nrf52810 microcontroller. I am trying to minimize power consumption when the sensor is idle. I have created a minimum code ...
ItsAmy's user avatar
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1 answer
90 views

Implementation of microsecond timer on NRF52832 using sandeepmistry nrf52 library

Can anyone please describe how to use sandeepmistry nrf52 library to create an accurate microsecond timer, without using any standard delay functions. I'm using the timer on a generic nrf52832 design ...
Pete_xavier's user avatar
0 votes
1 answer
254 views

UART and BLE Simultaneously

I'm using the nRF52832 Blue Feather module. This project has an endnode (Master) and many clients (Slaves). So the endnodis e connected to an online server to collect data and send the data to ...
Just doin Gods work's user avatar
0 votes
0 answers
217 views

Arduino Mbed bootloader on nrf52840

I use a PCB that I designed on which is mounted the E73-2G4M08S1C from Ebyte (nrf52840). I flashed the Arduino Mbed bootloader with SWD and a J-Link (J-Flash) probe with no problem. My computer then ...
Nicolas Colsoul's user avatar
2 votes
1 answer
3k views

How to calculate Pi filter for RF with PCB antenna - Nordic nRF52832

I have finished the layout of a bluetooth beacon based on SoC nRF52832 of Nordic, there is a Pi filter between the IC pin and the antenna that use the AN043 drawing of Texas. AN043: https://www.ti.com/...
abomin3v3l's user avatar
2 votes
0 answers
256 views

Register 2 peripheral UUID with 1 service, NRF52

I have 3 nrf52 boards: 2 act as peripheral and 1 as central device. I want to register 2 different UUID's for the 2 peripheral devices, which contain the same service (0x0001 - NUS for example). I ...
user2809652's user avatar