I'm trying to design a very low power sensor that takes readings using ADC and SPI 200 times a second. I'm a bit worried by the current EasyDMA uses (1.1mA). As far as I can...
Hi, I am working on a project where I want to make one nrf51288 chip as central hub and connect that to a android phone and other salve nrf51288 .
idea similar to this: ...
Hi,
I have a code programming the nRF51422 development board to write to a Sharp Memory 96x96 pixel LCD screen using SPI.
Currently the code writes two numbers and a...
I've modified the ble_app_uart example by adding GPIOTE so that the transmitter sends a character to the receiver when a GPIO pin is toggled. This part is working well.
...
Hi,
I am working on my hardware product having nRF-51422 chipset. I just came to know from forum post that
nRF-52 chips will get arduino IDE support as standalone. I want...
Hi!
I've been using PCA10028 for a long time and I had some bricking issues but I've managed to un-brick it with "nrfjprog --recover" and everything would work again. ...
I want to build nrftoolbox app in android studio. I downloaded the zip file from the github website and also the required dfu library. I unzipped both the files in a folder...
Up until now I have been the sole firmware developer and the keeper of the keys for our product.
Our scrappy little startup has expanded and is now bringing on additional...
Hi,
Problems I am having with PWM:
1. Using app_PWM and GPIOTE to start and stop the PWM: When button is pressed, GPIOTE handler sets a flag that is polled to start the...
I am using Timer0 and Timer with GPIOTE and PPI to output 2 clocks on 2 pins.
Both timer settings are identical (for troubleshooting). Only timer-0 can be generated at the...
I am working with nRF Connect SDK using an nRF52840 DK. And I want to realise both BLE mesh and FOTA upgrade. FOTA upgrade example SMP Server Sample works properly for Bluetooth...
To parse information from strings I want to use sscanf().
Currently I have this small test program:
And in the prj.conf I have CONFIG_NEWLIB_LIBC=y defined.
This program...
Hi, At power on lots of MUCBoot prints pop out of the UART:
*** Booting Zephyr OS build v2.3.0-rc1-ncs1 *** <inf> mcuboot: Starting bootloader <inf> mcuboot: Primary image...
Hello -
We are developing an application for nRF52840, using the v17.0.0 SDK. The application is running on FreeRTOS. We need to power off all the RAM and use the RTC...
Hi, I am trying to get bootloader to jump to either application 1 or 2 base on button states when booting. I am not sure how do it properly. One of the applications is using...
I created an Azure IOT Hub and simulated a X.509 device using C and device SDK for Azure .
No problems here.
Then I run sample nRF9160: Azure Iot Hub and receive the...
I am using 2 counters, one to produce the 4MHz, and the other for the 62.5KHz, to drive I2S module.
I need to find a way to stop the first counter (4MHz) after it produces...
Hi All,
Currently I am using SDK_17.0.0 for nRF52832 with Softdevice S132_V7.0.1. I come to know about release of SDK_17.0.2 with highly recommendation to migrate from SDK_17...
Hi. I have the following code, I am attempting to read AIN0 on pin 4 (P0.02).
I am watching the result whilst debugging the application on DK52, and it is a random value...
I'm currently facing a problem while using FreeRTOS. I've created a task, but that tasks freezes the board at this line :
without FreeRTOS this piece of code works...
I've noticed three PCA10059 Dongles have failed in the past week. One on my desk and the two on a co-worker's desk. Its the same failure mode where everything appears to function...
Hi,
We are going to evaluate: nRF52840 with a large NOR flash. This Flash has two options: 3.0V / 50 mA max, Or 1.8V / 50 mA max. We prefere to use the 1.8V type, as this...
