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...
The Health Device Profile is continua compliant. Are BLE health related profiles like Heart rate profile, thermometer profile continua compliant as well? Do these profiles...
Hello, I was wondering what the proper process is to set the measured RSSI values at 1 meter is. RSSI at 1 meter is a part of the iBeacon standard, and is also useful for...
I am PHD student in china and doing research about gait retraining. I am designing wearable sensor that monitoring gait and giving vibration feedback to retrain the gait and...
I've implemented my DFU app on Android(4.3). During the test, I found a strange problem, that the performance of writing image data into swap area is very very slow. My Softdevice...
Hi
I thought: let us quickly migrate to the latest SDK.
But that seems to be harder than anticipated.
I run into a number issues when compiling with the new code:
...
Dear Nordic developers,
I'm trying radio reciever example. I want to stay 7 ms in listening mode, if there is no event turn off the radio. For that I'm using timer interrupt...
When connect to iphone4s, whitelist.irk will be generate,and whitelist.irk_count will be add 1
After that connect to Nexus 7 II bouth irk and addr will be generate,and...
Hello all,
I've had problems for several weeks with RF24 Library (enhanced fork). I use different Arduino and NRF24l01+. I know very well different documentation, and I...
use s130-0.5.0
A1 connect B1 with BLE_GAP_ADV_TYPE_ADV_DIRECT_IND, after this, A1 is slave, B1 is master,A1 can't send any type advertisement
use s130-1.0.0
A1...
Good afternoon,
I have developed a custom board based on nRF51822 device and SD-110-v8. For debugging I have been usign the Ulink2 tool with Keil. Now, I want to implement...
This is not working for me. My goal is to use printf() in my code. I follow the steps outlined in this link
..including calling initialise_monitor_handles(); before calling...
I was able to measure current with the test probes I have. However, I really liked the idea of test probes that were like the ones in the drawing below. I have not seen test...
I am using the PWM library in this repository for a nRF51822. I write the following code to generate a ~ 30% dutycycle 500 kHz PWM output:
#define V_CLK 5
static void...
Hello,
I am using Timer_2 with two CC registers configured, 2 PPI channels (one for each CC register in the timer), and one GPTIO_TE to make a PWM to control dimming on...
