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Last activity 2017-12-13 03:13:35 +0200 by koh

nRF52832 P0.10 GPIO Voltage drop

Hi all,

I try to control IC by nRF52832.

[My Application]
・Supply 2.5V to nRF52832 and IC.
・Connect P0.10 to IRQ(IC)

[I did these setting]
・Define "CONFIG_NFCT_PINS_AS_GPIOS"
・P0.10 : INPUT, PULL DOWN

But, the IC's IRQ ... (more)

49
views
1
vote
1
answer
Last activity 2017-12-08 16:19:18 +0200 by MarcoTull

NFC Tag type 4 and GCC

Hi all, I am porting my 100% working code from keil to use C++ and GCC and when I use the macro NFC_NDEF_MSG_DEF to initializate the NDEF message I receive the following message from the compiler:

> >NFC.cpp(50,2 ...
(more)

66
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no
votes
1
answer
Last activity 2017-12-07 08:58:24 +0200 by Torbjørn Øvrebekk

nRF52 NFC and wireless charging

Hi,

I have been developing with nRF51 for some time and already implemented a nice 13.56MHz wireless charging circuit. Now that I'm moving to nRF52 I would like to keep my wireless charging coil / circuit as is, but ... (more)

1k
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no
votes
4
answers
Last activity 2017-11-30 08:33:51 +0200 by viya0414

nRF52 edit nfc tag

Hello,

I have a question about the NFC tag. In the example nrf_url_record_pca10040 there is a part where the url will be written in the tag

err_code = nfc_uri_msg_encode( NFC_URI_HTTP_WWW, (uint8_t *) url, sizeof(url), ndef_msg_buf, &len);

However when I try to ... (more)

34
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no
votes
1
answer
Last activity 2017-11-29 13:44:05 +0100 by Michał flag of Poland

Leading Byte in NFC NDEF APDUs

Hi, We are testing with the experimental_writable_ndef_msg example from SDK12.2.0 and we have issues reading the nordic NRF52 Hardware using the PC-Card Reader identive uTrust3700F with the PCSC card interface under windows 8. We have added NRF_LOG_HEXDUMP_INFO in ... (more)

77
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no
votes
1
answer
Last activity 2017-11-08 13:48:02 +0200 by Ričards

Add NFC tag library to Segger Embedded Studio Project

Hello! I don't quite understand how to properly link NFC tag library (nfc_t2t_lib_gcc.a) to Segger Embedded Studio Project.

Steps I did:

1) Add nfc_t2t_lib_gcc.a to the project with: Add Existing File -> and select particular file

2) Added ... (more)

73
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no
votes
1
answer
Last activity 2017-11-08 12:47:10 +0200 by Petter Myhre flag of Norway

Is NFC + static passkey bonding possible?

Hi, i'm currently working on a low power sensor device based on nrf52832. I want to transfer data only to bonded central devices. Priority is using static passkey, but my hardware can deal with NFC as well. I'm ... (more)

46
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no
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no
answers
Last activity 2017-11-07 18:10:30 +0200 by Mik

How to debug NFC APDUs

Hi, we have implemented the experimental_writeable_ndef_msg example from SDK12.2 with Nordic NRF52 on a custom board. Reading the NDEF Message works fine with smartphones (Android and IOS11 with Iphone 7). We have used NFC in previous Projects together with ... (more)

69
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no
votes
2
answers
Last activity 2017-11-06 12:53:17 +0200 by Jørn flag of Norway

NFC port power consumption

Nordic nRF52832 chipset

If I understand the answers given the NFC port always consumes power even when just listening but otherwise in active?

Am I correct and also is this current 450uA I see commented elsewhere or is the current ... (more)

32
views
2
votes
1
answer
Last activity 2017-10-27 09:37:53 +0100 by endnode

Different pins as NFC pins

Hi, As in the Product Specification of nRF52, pin number 9 and 10 are configured as NFC pins. However, this setup is conflicted with our pin mapping for other sensors in our product so is it possible to re-configure two ... (more)

67
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no
votes
2
answers
Last activity 2017-10-26 08:02:15 +0200 by Thomas Stenersen flag of Norway

How can I use SES to flash SoftDevice?

I know that latest nRF5 SDK and nRF mesh SDK support SES, it's really a good news for developer. I'm just curious that, can I use SES to flash SoftDevice on macOS? If so, how can I load ... (more)

77
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no
votes
1
answer
Last activity 2017-10-25 08:42:28 +0200 by Bjørn Spockeli flag of Norway

read NFC tag with nRF52832

Hello there,

for a project I would like to use the Arduino Primo core with the nRF52832 chip to read a NFC Tag. I could not figure why it can´t read a tag even though I found this in ... (more)

70
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no
votes
3
answers
Last activity 2017-10-23 20:59:54 +0100 by Andrew Lohmann flag of United Kingdom

NFC port spec. Coil inductance

I wish to design a Laird BL652 Bluetooth with an NFC port. Unfortunately I have not been able to discover the coil inductance. They use a Nordic nRF52832 chipset.

My hope is that you may have an application circuit that ... (more)

35
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no
votes
no
answers
Last activity 2017-10-21 22:28:10 +0200 by rdecker

Connecting with nfc_ble_pair_lib

I am using the ble_app_hrs_nfc_pairing example (sdk 14.0.0) on my NRF52840 with the s140 soft device. I am able to bond with my phone (Android 8.0.0 Oreo) by tapping the sensor, and BLE_GAP_EVT_CONNECTED and BLE_GAP_EVT_CONN_SEC_UPDATE handlers ... (more)

76
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no
votes
1
answer
Last activity 2017-10-17 08:27:32 +0200 by tommik

Type 4 tag NDEF record update

Hello,

i am working with SDK 14 type 4 tag library on NRF52832 hardware. I've based my code on the example "writable ndef msg".

When receiving a record, the NFC handler assumes, that NLEN is first updated to 0 ... (more)

60
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1
vote
1
answer
Last activity 2017-10-06 11:41:08 +0200 by Jørgen Holmefjord flag of Norway

Sending via NFC, after NFC Wake Up on SD132

Hello there,

my goal is to wake up via NFC from POWER_OFF Mode (sd_power_system_off). Then right after the nfc wake up sending some information (e.g. UUID) via the NFC module.

There seems to be a bunch of complications.

1 ... (more)

117
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no
votes
2
answers
Last activity 2017-10-05 01:03:15 +0200 by Krzysztof Zaraska

NRF52 pair to NRF52 using NFC possible?

I would like to know if it's possible to pair two NRF52832 together using NFC. NOT an android phone to an NRF52, but a central NRF52 standalone connect to a peripheral NRF52 standalone. Can the NRF52 generate RFID tag ... (more)

103
views
no
votes
1
answer
Last activity 2017-09-25 16:44:54 +0100 by audiya

Can I make only paring and connection with NFC?

Hello! I am testing project "ble_nfc_pairing_reference". When my NFC device touch the NFC antenna on the device screen is written: pairing; connecting; could not connect. Can I make ONLY paring and connection with NFC? How I can do it? I ... (more)

131
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no
votes
1
answer
Last activity 2017-09-22 09:06:55 +0200 by Jørgen Holmefjord flag of Norway

How get micro_ecc_lib_nrf52.lib file?

I have no idea how i can install this and use it. I would like if any one can explain in detail. Can you get picture how I can do it? I am using ble_app_hrs_nfc_pairing project in Keil 5.

199
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no
votes
2
answers
Last activity 2017-09-15 14:19:08 +0100 by flip-flop flag of Croatia

NFRF52 NFC SENSE MODE Interrupt

Hello Everyone, I want to use NFC on nrf52 DK to wake up the board from System off. Is there any examples similar to this situation where I can learn more about NFC and Sense mode? I am using Softdevice ... (more)

152
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1
vote
1
answer
Last activity 2017-09-14 16:15:53 +0200 by ispare

nrf52 NFC with softdevice running

Hi all, Here is my first question on this forum after many hours working with the NRF but for the first time I didn't found the answer :)

My problem is : I would like to run the NFC in ISO ... (more)

44
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no
votes
no
answers
Last activity 2017-08-15 14:52:07 +0100 by Sam

Restarting NFC emulation using Nordic library

I am using the Nordic NFC library and an NRF52832 to do ISO1443 communication with my phone. However I was noticing that the NFC lib stops sending back events when stopping and re-starting the emulation.

Below is what I am ... (more)

133
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1
vote
1
answer
Last activity 2017-08-02 21:34:56 +0200 by endnode

Enable pins 9 and 10 as GPIO on NRF52

Hi All,

I am developing a ble applications and am unable to get pins 9 or 10 to work as gpio. I understand that this is because, by default they are used by the NFC.

I have tried the following ... (more)

225
views
1
vote
1
answer
Last activity 2017-07-28 17:21:40 +0200 by endnode

NFC Usage as GPIO Pins

Hi all,

I am trying to configure the NFC Pins for usage in an SPI application. However they do not even work for a simple nrf_gpio_pin_set after configuring them with nrf_gpio_cfg_output . Every other Pin seems to work, though.

After some ... (more)

322
views
no
votes
2
answers
Last activity 2017-07-24 09:26:24 +0200 by GNW

NFC ISO support

Which NFC ISO standards are supported by the nRF52832. Does it support ISO/IEC 14443A/B and/or ISO/IEC 15693?

72
views
1
vote
1
answer
Last activity 2017-07-21 11:09:55 +0200 by sara

Disable NFC Interrupt

Hi,

The NFC function is set to read only in my application. I don't want to wake up my system when someone tap on my device to read the NFC data. (assume this method can save more power)

Should ... (more)

93
views
no
votes
1
answer
Last activity 2017-07-20 18:48:46 +0100 by maxishev

nRF52832_QFAA problem with NFC pins

Hello!

We designed and manufactured board with nRF52832_QFAA. The NFC pins was configured as IO and connected to sensors. The problem is that we see that those pins get 3.3V with power-up of Nordic. We tried to make different ... (more)

127
views
1
vote
1
answer
Last activity 2017-07-18 10:59:06 +0200 by Jørgen Holmefjord flag of Norway

Combining NDEF messages

I want to use the Launch App message as well as the Text Record Message together, so that when my app is launched, I can also access the message that will give me something like the device name.

IS this ... (more)

80
views
no
votes
no
answers
Last activity 2017-07-17 18:42:38 +0100 by Ramkumar

Declaration of en_text_rec in NRF52 NFC Record text Example [closed]

    static void en_record_add(nfc_ndef_msg_desc_t * p_ndef_msg_desc)
{
    /** @snippet [NFC text usage_1] */
    uint32_t             err_code;
    static const uint8_t en_payload[] =
                  {'H', 'e', 'l', 'l', 'o', ' ', 'W', 'o', 'r', 'l', 'd', '!'};
    static const uint8_t en_code[] = {'e', 'n'};

    NFC_NDEF_TEXT_RECORD_DESC_DEF(en_text_rec,
                                  UTF_8,
                                  en_code,
                                  sizeof(en_code),
                                  en_payload,
                                  sizeof(en_payload ...
(more)

61
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no
votes
no
answers
Last activity 2017-07-11 22:44:50 +0200 by Ramkumar

Hex File for experimental_ble_app_hrs_nfc_pairing [closed]

s132_nrf52_5.0.0-3.alpha_softdevice.hex(/attachment/26a9916e1af8c97bcba7185035bd7b31)Hi, I am starting to work on NFC and Bluetooth pairing for the nrf52 and i tried to compile this example on Keil and it doesnt allow me to as the size is ... (more)

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