Using one ADC, the current can be reduced to about 40uA after the ADC value is taken. Using a two-channel ADC, after the ADC value is taken, the current stops at about 0.4...
I'm searching for a software engineer who can help us getting OTA support between nRF52810 and PIC16 MCU.
nRF52810 must have command- and data mode over UART, Pic controler...
I want to be able to read the gyro and accelerometer values from the MPU6050 sensor.
As a base start I downloaded the NRF5 SDK V15.3.0 and modified twi_sensor_pca10056 program...
Hi. I'm using nRF52832, SDK13.0.0.
I should use SHA256 and MD5.
I made my code as below.
NRF_CRYPTO_HASH_CREATE(init_packet_hash, SHA256); NRF_CRYPTO_HASH_CREATE(init_packet_md5...
Hi. I'm using nRF52832, SDK13.0.0.
I want to use SHA256 as below.
output32Byte = SHA256[input32Byte];
Which function or example can I refer to?
And also I want to...
I tried to port the example "ble_app_ipsp_initiator" to pc-ble-driver and run on Linux. The peer device is another PCA10056 device running ble_app_ipsp_acceptor. The problem...
hi...
i want to use two uarts in nRF52840 , one uart to one pc and another uart to another pc .Data should be transferred and received between the nRF52840 and pc how can...
Hi,
I was using the nrfx_saadc_buffer_convert to make everytime a single sample.
Now I did find out there is also nrfx_saadc_sample_convert. How do I initialize this...
I've been trying to debug a recurring hard fault around nrf_log_frontend_dequeue. This occurs sporadically (between 10-60min) into testing my firmware. When the fault occurs...
Hi all,
normally our system runs in low power mode. When triggering the SAADC the first samples (using oneshot mode) will be off (slightly too low).
I can work around...
Hi,
I need to create run time count that increases every 0.065536sec.
I found a way doing so by using HFCLK without any interrupts.
My questions are:
1) Are there...
Hi, I am working on the nrf52840 dongle using the softdevice.
I would like to know whether it is possible to add OTA DFU capability to the default open bootloader that allows...
Im quite new to development with the DK so bare with me.
Currently I am able to read digital values (0 and 1) from the potentiometer using pin P0.03.
I am using the function...
I had toolchain manager 0.10.3 and a project using NCS 1.91. Unfortenuately I have updated the Toolchain manager to 1.0.0 and now my project does no longer show up and the...
I have a NRF52840 based custom device that I can program just fine with a NRF52840-DK.
However, when I try to use a NRF52833-DK I can erase and flash the softdevice just...
Hi,
I work with nRF52840 DKs and I am working for indoor positioning system based on RSSI signal strength. I want the RSSI signal strength to be sensed and transmitted to...
Hi Devzone team,
My customer wants to design the LTE-M antenna for their tracker project in US market, do we have any antenna reference or design guideline? I see we have...
Hi,
I am looking for a BLE module that I can program to send a Thyrmistor signal 250 meters or more. The BLE module has to be small and able to collect A/D Convertor and...
Hi ,
I am trying to get GNSS on thingy 91 to work. It seems like I have the same issue as this thread:
I cannot get a fix. Currently, I am using the 1.3.2 firmware ( the...
Hello, I am developing a product using nRF52840. I use the DK board to debug and download.
However, I would like to implement a firmware update function using USB on my...
Dear,
we have a problem at the startup for our nRF52833-DK board powered with coin cell battery. nRf52833-DK doesn't start up with coin cell battery when running ble_app_uart...
Hi,
I'm trying to do a 2 channels adc reading to read a value of a potentiometer and a value of a battery level. When I try to make it, I saw that sometimes, the value of...