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...
I am developing a product using the nRF51822 BLE, I was able to interface all my peripherals and setup the softdevice stack accordingly.
Now I am looking to add a pairing...
Hi Dev team,
I have an application working on the Thingy91 that sends the data of the sensors through MQTT to our server. I was interested in knowing the data usage of the...
Hi All!
I'd like to ask if anybody succeeded running zephyr without optimizations?
For ex. i have a following code:
Now i have following problems: 1) If i set...
Hi,
We got carrier frequency tolerance failure in a certification test.
The max deviation should be under 20ppm, but the result is above 30.
We used DTM example...
I'm working in a project where I have to use produce a PWM signal which actively drives the pin low for 0, and disconnects the pin for 1. The PWM is generated by an in house...
Dear Members,
For checking my LF 32KHz crystal is working,
XL2 is the output of the crystal ? or vise versa ?
So XL2 to the scope and the other probe to the ground...
Greetings,
I'm trying to develop a project on the nRF5340 DK where I collect measurement data from an I2C sensor (LPS27HHW) before sending the data via bluetooth. My firts...
Hello i'm trying to run a sample from my projects but each time i'm getting the CMake error i tried changing project and running from another directory but the problem still...
Hello,
we try to add DTLS to the CoAP client example . We have problems with the DTLS connection. The handshake with PSK works. The first CON or NON query works also without...
Hi! I developed a locator and beacon pcb boards for AoA direction finding using the NRF52811 chip. The locator has 4 patch antennas and the SKY13575-639LF external antenna...
Dear Members,
I want to use MAX17048 and getting thiis message :
<error> app: ERROR 33281 [NRF_ERROR_DRV_TWI_ERR_ANACK] at ..\..\..\MAX17048.c:71
void MAX17048_init_i2c...
I have found an issue with ESB/Nordic radio where it will receive a packet on the wrong pipe. I think the issue occurs when the prefix array set to the PREFIX registers contains...
While testing our custom Hardware with the nRF52840 in a climate chamber in the -40°C to +85°C range i noticed that the value read from the internal temperature sensor was...
Hello,
let me explain my problem as below.
after doing pairing between nrf52832 and phone(android app). phone is central (including scan behavior)...
after success...