I wanna implement this code for the app inventor, but there was several problem here. I can't use array or index for developing my trapezoidal method.. like this..
code...
Hello,
We are looking for a developer a single task project. We need to provide all of our developers with the same development environment, so we are looking for someone...
I'm looking for a good firmware engineer that can take my current firmware and add the buttonless DFU to it. I currently use the Keil environment but am open to switching...
I am working on PCA10040 board using Keil u5 debugger (V5.23.0.0, JLink setup). After accepting the continuous firmware update requests I get the error message "Missing core...
Hi,
I have just started using a nRF52840 PDK board with the purpose to verify BT 5.0 features. I am completely beginner working with nRF boards or nRF SDK. Anyways, I downloaded...
I have a USB host capable Android device running CentOS via Linux Deploy and everything is working perfectly except i'm unable to connect to my USB nRF24LU1+ Crazyradio PA...
Hello,
On my custom board, I'm receiving chunks of UART data, without flow control, at 115200bps. Sometimes (its quite frequent now... sometimes after 10 chunks, sometimes...
I'm working on a PC application (using nrf51-ble-driver_win_0.4.1 API) to connect a BLE device and discover BLE services.
Today, I'm tying to connect the Nordic dev kit...
When discovering services using nrf51-ble-driver_win_0.4.1 driver, some ID are received with type BLE_UUID_TYPE_UNKNOWN. So I assume they are 128bits. I then retrieve the...
I downloaded the BLE beacon app S110 v7.1.0 to a nRF51-DK board. The current measurement pins were attached to a 10 Ohm resistor.
I observed the AC-coupled voltage at one...
Hi. We've got a chip with a code QFACA10. I am trying to find out if there is the internal pull-down of SWD line or not. It seemed that adding an external pull-down had positive...
Hi all,
I want to know the effect on power consumption of pins input buffer on and off, does there are big differences between them?
Another question is, since there...
Hey everyone,
when i was trying to compile i got this error which says
._build\ble_app_bci.axf: Error: L6200E: Symbol SWI0_IRQHandler multiply defined (by nrf_notification_manager...
i have few question based on nordic i am using N51822.
1: does device goto sleep, while testing i see sometimes device gets automatically disconnected.
how can i solve...
Hi,
what would be a good option to create a BLE device like FLIC (flic.io).
i want to transmit only a few informations to the smartphone like 1,2,3,4 and the device shall...
Hi,
every time i try to call ble_bas_battery_level_update(&m_bas, 1); my application freeze and i can't get any response
Here is what i did:
1- copying ble_app_template_s110...
Hello folks
I have a custom PCB board with the attached layout diagram. I also have our firmware that was flashed on to the Nordic beacon kit and tested. I would like to...
Hello,
at the moment I try to add some more services to my BLE device. This goes wrong with err_code = 12 (NRF_ERROR_DATA_SIZE). With some search in the devZone I found...
I have the nrf51822EK and trying to make it report the speed/cadence of a bike. So far the design is to report the speed every 1 second as a BLTE peripheral device automatically...
Hi,
the ANT protocol defines the channel message rate in a range from 0.5Hz to above 200Hz, with the upper limit dependant on the specific implementation.
What are the...
