Questions tagged [nrf52832]

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2
votes
1answer
49 views

Adafruit Feather (Arduino compatible) nRF52 SPI with ADXL345 issues

I’m experiencing some issue in trying to make ADXL345 accelerometer works in SPI by using an nRF52 feather. I'm using the ADXL345 SparkFun library read values from it. Here are the connections ...
0
votes
1answer
33 views

Using ulink2 with nrf52840 and keil

I am trying to flash the blink example from SDK v15 into my custom nrf52840 board, I am using pc10056 example. I connected my ulink2 to swdio, swclck, gnd and vcc of my custom board and I can see on ...
0
votes
0answers
33 views

Bluetooth RSSI to Distance [duplicate]

I'm trying to find the distance between two bluetooth beacons which are typically in the distance of 60cm or less. Direction is not an issue, I'm only looking to figure out the distance between the ...
3
votes
3answers
122 views

Arduino analog input read peak-noise

I am using the NRF52832 and code it with arduino. I am reading A0 to get a signal from a sensor at 1m cable length. simulate this circuit – Schematic created using CircuitLab If I disconnect ...
1
vote
0answers
43 views

nRF52 Bootloader over ESP12E

I'm using nRF52 DK with 14.2.0 SDK. I created a LED blink project for testing and extract its HEX file. I uploaded the program to the nRF52 over USB (J-Link-Keil IDE) and the HEX file over ESP12E (SWD)...
0
votes
1answer
27 views

Failing to program a third party NRF52832 board with nrf52DK through SWD connector after first time

I'm trying to flash a simple blincky solution into my 3rd party board through a standard SWD programming header from the debug out port of my PCA10040 NRF52832 DK with my Segger embedded studio IDE. ...
2
votes
0answers
68 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 ...
1
vote
1answer
122 views

Arduino Fails to Program Custom NRF52, But Has Worked In Past

Background: I have a custom board that consists of two PCBs connected via a 100mm Picoblade connector. The "Aux" board has a USB port, and CP2102N Serial=>USB converter. The "Main" board has an NRF52 ...