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...
Hi,
We are facing some issues between our ble devices (ble version 5) and android mobiles using nrfsdk ("Android-BLE-Library") library. (Version 2.2)
We are able to connect...
I have used two sample applications light / light_switch from bluetooth mesh to get a device with 2 elements:
- generic on/off clent
- generic on/off server
I want to...
Dear Sir,
The target has a non-secure bootloader on it, I'm trying for DFU which has a secure bootloader pkg only. After initiating the DFU, nrf connect app sends successfully...
Dear sir,
Thanks for your help.
In the working state, the input voltage of the battery may drop from 3.0V to 0.4v or even 0.0V. After charging, the voltage will quickly...
Hi,
I am using the Power Profiler Kit (Rev. 1.1.1.) with Power Profiler app (v2.3.1) to measure power consumption on an external DUT. The issue I am facing is negative current...
Hi all,
We have designed a PCB where we use BMD-350 ( which is based on nrf52832 ) , HX711 and the accelerometer ( MMA8452Q ) as primary components. The device is supposed...
I am in the process of integrating the latest SAADC driver into my project and have noticed an issue after adding the errata 122 workaround to my saadc event handler per the...
Thanks in advanced. On sdk17.0.2 examples\ble_central\ble_app_uart_c, I connect a button's one end to nrf52832 pin 24, the other end is connected to VDD. So I have to #define...
Hi,
There is an option CONFIG_LTE_NETWORK_TIMEOUT for the LTE Link Control. The default is 600 seconds (10 minutes) but I couldn't find any suggestions for the timeout and...
Hello ,
Now I am sending the data per 7.5ms in the interval of time over ble .I am loosing the packets , to avoid this I am planning to send the data in the structure .How...
Hi,
I got a unit based on NRF52 (No matter what SDK) which is connected via 1-wire (dallas protocol which is very time accurate) to other unit.
The other unit is the master...
Hi! I wanted to ask someone who knows more than I, if this setup makes sense, and how I could test my design.
A bit of background: We're developing a custom board which...
Hello, I am using nrf51822 / SDK 12.3 / SD 130-2.0.1.
When a normal timer is set and softdevice off, the timer interrupt does not occur.
In SDK 10 / SD 110-8.0.0, timer...
Hello,
I am trying to use the flash API of fstorage in my code. I have called below function at the start of my code. I want to save some integer values every 1 min interval...