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...
Hi, i am designing a board using nrf51822 and planning to use a MOSFET for reverse battery protection instead of a schottky diode or a normal diode. I am new to this and learning...
I'd like to read and write data to the reserved app data space while in the bootloader. Is this possible with pstorage?
Because the BOOTLOADER_SETTINGS_ADDRESSS = 0x0003FC00...
Hi,
I'm developing a nRF52 application that exploits two ADC channels in single ended configuration.
VDD is 3.0V.
For the signal conditioning I've chosen a driving Op...
I've been trying to get my head around using a BLE central and making connections so I've loaded up the multi-central example to figure out just how everything works. I turned...
Hi everybody!
I am working with ANCS (nrf51822 SDK 9.0) I am confusing on setting the connection parameters which are MIN an MAX connection interval.
Firstly, I set...
Hello,
I have some characteristics on my device that are containing some configuration data.
Every single variable is a global variable.
The values can also be changed...
I am using the nRF51822 bluetooth low energy smart beacon kit and am running into trouble using the GPIOs available on the board (pins 0, 1, 2, 3, 5, 9, 11, 20, 21, 24). For...
Hello Everyone,
I am trying to monitor my battery voltage on the analog pin (ADC) so inorder to do that i am going to use the voltage divider circuit to calcualte the R1...
Hi,
We are working on a smart lock project with nrf51822 third party module with an antenna on pcb.
We are trying to cover 50 cm range at -20 dbm. But even at -30 dbm...
I have created a library for HD44780 Hitachi LCD, and I can transmit data to the LCD through an IO Expander without any problem over TWI lines. Right now I am not using any...
Hi,
I'm learing how to use the NRF51 DK and I'm trying to modify the app GPIOTE example including the uart functionality.
I insert in GPIOTE the directive:
#include ...
Hello,
I try to add battery service in ble_app_uart , but it has some problem.
The Problem is that I can see the Battery service on the phone , but it doesn't change...
Hi,
I am using 'pstorage_update' to store data in the internal flash. Whenever the number of bytes that should be written matches the size of a storage block everything...
Hi,
I want to test my PN532 module recently ordered from iteadstudio.com . .i have keil ide and tool chain and nRF5_SDK_11.0.0_89a8197 with adafruit_tag_reader example but...
