23,073 questions

I am confused with whitelisting and advertising/scanning with device name

I have a peripheral and a central device, peripheral device is advertising with device name set as 'PERIPHERAL_DEVICE' and my central device is scanning for the name 'PERIPHERAL_DEVICE' (m_target_periph_name ... (more)

The micro-ecc works well when I load micro_ecc_lib_nrf52.lib in keil5. However, the author suggest copying the uECC files into the project, so I include uEcc.h but fail in compling. I get some error information,such as: ............\external\micro-ecc ... (more)

Hi, looking at the datasheet for the nRF24L01+, it lists four different ordering codes, each with a different minimum order quantity and/or different container. What is the difference between them. I don't mean MOQ and container, because that ... (more)

Sorry that I'm asking 2 questions in one go, but they are closely related.

Problem: got 0x00000008, INVALID_STATE error when calling sd_ble_gatts_hvx, looked it up, it's most likely CCCD not set.

The thing is I've been migrating ... (more)

hello, i am using ble_uart_app project in that i have added the pwm feature and added my code. i have tested my code seperately it works fine but when i have added in the ble_app_uart folder my ble connection getting ... (more)

Hi, I am facing issue on nRF51 s110 buttonless DFU. We are initiating DFU using nRF Connect and the device jumps from app to bootloader. On my Android Phone using nRF Connect I can see the DfuTarg. But nRF Connect ... (more)

hello , i am trying to make communication between two (stm8s+nrf24l01) modules for which i am using this link http://zewaren.net/site/node/110, by this code i am able to transmit data from one side and receive data ... (more)

I am a student and very new with your product and how to use it.

I just order nRF52840-PDK today via online electronic store.

Please provide complete equipment list that I really have to buy for getting start development from ... (more)

Hi, I want to OOB pair two equal devices (pca10040 + NFC shield) via NFC. Since its not clear which of the two devices will act as NFC initiator (active) or tag (passive), I think I need to use P2P NFC ... (more)

I am new in nrf52832 . and i can not uploading soft device this controller in nrfgo studio .Every time it provide a firmware upgradation issue .so how can i solve it . And after starting of firmware upgradation but after few ... (more)

Hi, I have Design a new product based on the NRF52840 I am trying to get the lcd up and running so first thing is the pwm for the backlight. I am using pin 1.08 for the pwm. but ... (more)

Hi Nordic,

I'm porting hrs application on nuttx OS. But when I call sd_softdevice_enable function, it goes to "RESET". I read below article which mentions that SVC handler is in soft device, but my coworker said that we have ... (more)

I'm writing an Android application that connects to various BLE peripherals including the NRF51 and NRF52. I don't know if this question is appropriate for this site, but here it goes.

I noticed that the method onConnectionStateChange() from ... (more)

Hello,

I just purchased this device: https://www.aliexpress.com/item/J34-F...

but found out that evaluation board is only a debugger and does not actually program the board.

Before I buy, I just wanted to make sure that the ... (more)

Nordic_Mouse.pcapngconnect_to_phone.pcapngtest_ble_mouse_1.pcapngtest_ble_mouse.pcapngHoping someone here can help. The setup is a Sparkfun nRF52832 Breakout Board programmed with Arduino BLEPeripheral Library Example: "HID_test.ino" as is. Win 10 PC tries to pair for few seconds ... (more)

Hi,

I am getting the following error at the end of build when linking everything together

/home/sj01/Nordic/ref_app/../hal/nordic/components/toolchain/gcc/gcc_startup_nrf52840.S:280: undefined reference to `_start'

that file line 280 is as follows: gcc_startup_nrf52840 ... (more)

Hi, I need to set dynamic advertisement data with nRF8001. To achieve this with nRFgo Studio my idea was to set "Service Data" in "Selected fields to advertise" (ACI Bond for example) within GAP settings, create characteristic with property "Set ... (more)

Hi,

so i was using the NRF51822-QFAC with an external balun and this antenna chip 2450AT43A100E .

now i want to move to the nRF52832 chip and from what i read is that the balun is integrated into the chip which ... (more)

S130, SDK 12.3, ble_app_hrs_c example. I want to use whitelist function in this example but I can't finish it.

When I run peer_list_get(), it gets all 0xFF, means that there is no peer in flash.

So I use ... (more)

S130, SDK 12.3, ble_app_hrs_c example. I want to use whitelist function in this example but I can't finish it.

When I run peer_list_get(), it gets all 0xFF, means that there is no peer in flash.

So I use ... (more)

hi

I am using ESB_DPL protocol between 51822 and 24LE1, and i used the sdk 12.2 examples/proprietary_rf/esb_ptx.

In my case, 51822 sent some packages with PTX mode, and did not require ack by 24LE1. i know if ... (more)

Hi,

I am using the capacitive sensing driver example given in the SDK(version 12.3) and it works fine. I want to extend the code to ensure that the SoC goes to sleep for 60 seconds and then wakes ... (more)

While investigating connection parameter handling, I noticed the following:

The is_conn_params_ok(ble_gap_conn_params_t * p_conn_params) function in ble_comm_params.c only compares the interval, not the slave latency or connection supervisory timeout. This has the effect of the peripheral accepting connection parameters with ... (more)