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...
Hello comunnity,
I am trying to read, write and activite notification from my server using a central device. The problem is when I use more than 2 times, I got an error...
Hi,
Ive been having a problem connecting the phone directly through setings to the nRF51822 chip. I'm doing evertithing in mbed. When i connect the chip via the "nRF Connect...
Hello , i'm trying to implement the OTA DFU function in my custom designed board. I'm using NRF52 series. I started by flashing the flash I uploaded the softdevice132 v2 via...
I am using saadc to periodically sample a voltage (per about 12 seconds). The voltage cannot be shutdown and always is a value neigher zero nor VDD (1.25v, 2.5v, 1.0v, etc...
Hi,
I'm wondering if the DTM mode can be entered over the air interface on nRF bluetooth products, as specified by Core4.2 [Vol2 Part C] 4.7.1 Activation and Deactivation...
Hi,
I am looking for an solution which requires to have an BT dual mode(Smart Ready) SoC. As i require the high data rate of 2.1 and also require support of BLE 4.0.
...
HI ,
I need to interface particle measurement sensor with nrf52832. I am using S132 softdevice and SDK 11.0 for my application. I need to send commands to sensor to take...
Hi,
I feel myself a bit silly...my nRF52840 board was working the last few weeks nicely, it was visible both in nRFgo and Keil. I had the board some time in button cell...
Hello, after downloading my user app using keil, I can't seem to erase the whole chip.
This is what I'm trying to do:
erase the whole chip (nrf52840).
program S140...
Hello, when migrating a project from nrf51 to S140 nrf52840, I got an
"Error: L6218E: Undefined symbol app_error_fault_handler (referred from softdevice_handler.o)."
...
Hi,
I am quite a beginner about nrf51822. I understand that I can get RSSI during advertise mode before pairing. But I am not sure I can get RSSI after pairing. Can I get...
Hi, everyone.
Now I have found some posts about the development enviroment on Mac OS X. But none of them describes clearly how to setup the development enviroment with an...
We are trying to get serial bootloader (DFU) working. I compiled a debug version of the experimental_bootloader_secure_serial in SDK13.0.0 to see what really happens there...
Hello,
I am successfully using the following code:
float f = 23.50
char buffer[10];
sprintf(buffer, "Float = %f\n", f);
SEGGER_RTT_WriteString(0, buffer);
I...