I'm trying to use the nrf8001 (and arduino) to send MIDI (musical note data) to Mac OSX. According to the Apple developer site the midi profile requires that the characteristic...
I have a custom made board that has an EFM32WG360F256 communicating to an nRF8001, verified that the ACI protocol works with repeated echos, however when I run the efm_ble_my_project_template...
Hi,
I have 3 nRF51 DK pca10028 v1.1.0
I compiled and run power profiling example and after that I cannot flash or connect to the devices (tested in all three of them)...
Hi Guys,
Thanks for your precious time and insight. Let me try to explain what we did,
We have developed a custom board
After assembling the board, we do a bare board...
Hello all, this tutorial goes to a fellow named Emil who helped me with this project.
Number 1_ Make sure you set up the terminal viewer For debugging with real.You need...
Seeing recent response to my original question on multiple chip selects, I've opted to share a modification to spi_master that I've implemented in part to make handling some...
What is the official status of the Softdevice Serialization for S130 in SDK 9? I could see an older answer on how that was removed in SDK 8 but since almost half year has...
We have set the peripheral ADV interval & central SCAN interval as below configs, we found that the connection time is unstable, from 125ms to 980ms, we expect to get a stable...
nRF51822, SD 130 v2.0.1, SDK 11.
Dear community,
I am experiencing an issue with disconnection on iPhone (iOS 11.2.5). After connecting and bonding with device (in iOS...
Hi,
I am using SDK 14.2.0 and SD 132 v 5.
When trying to combine ble_app_beacon with twi_sensor, I get the following error:
..\..\..\main.c(89): error: #253: expected...
I'm developing a project where the device wakes from system_off using a button. I've noticed that it takes about half a second from the time the bootloader starts until the...
I updated the original question
Hi, I am working with two nRF52 SDK13 central and peripheral, with no display, each is connected thought UART to a software interface,...
Hi All,
I have below requirement on NFC. please suggest how to start with the same.
1.NFC operation. (Simple Read Write into NFC Tag Memory).
We need to see a demo...
Hi,
we are trying to use pc-ble-driver (source and hex files from tag v3.0.0) together with nRF52 DK. We are running the heart rate example code on Ubuntu 16.04 (tried both...
Hi,
I'm very new to the NRF5-sdk and I found out about NRF5-sdk for eddystone on github.
I would like to ask, Is the NRF5-sdk for eddystone compatible with BMD-350 board...
Hello,
I'm currently trying to build my Keil project. i2c.c file in my project is using nrf_drv_twi driver functions.
So I included nrf_drv_twi.h in the file (or in the...
Hi,
I'm getting started with a couple of nRF52 boards. I want to pair the boards to each other (one central and one peripheral). Then I will have buttons connected to the...
Hello, when transmitting packets with nRF52832 is there any chance to keep the carrier frequency off until the first bit of the preamble is being sent? (The product specification...
Symptom
Depending on the data values written to the log this either triggers a hardfault or executes some random code with random results.
Repeatability
I can reproduce...
Hi,
I do use a power supply which generates +3.3V and +5.0V .
Please, could you explain me what will be the energy efficient way to connect them to nRF52840?
VDD_HV...
