Hello,
I have an NRF51822 (redbealab ble nano) that I would like to use to count pulses in very low power mode.
Pulses are asynchronous
The rate of pulses can...
Hi
I'm attempting to read a PT-100 sensor value that is part of a voltage divider using a nRF52.
Both the reference resistor and the PT-100 is sampled while the voltage...
Hi
I have been searching the forums, but were not able to find an answer to my question.
I'm trying to sample 4 analog inputs on the nRF51-DK using the ADC hal. (SDK10...
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I have been trying to get two NRF24L01 chips communicate with each other since a week now, without much success. All what I can find on the net is Arduino examples using...
Hi
I have done several projects with the nRF905. I know the device quite well. Normally I use the CD, AM and DR interrupt pins to determine the status of the device, my current...
i made this project to try to create RSC service on arduino
developer.bluetooth.org/.../runningspeedandcadence.zip
unfortunately the server starts but i'm not able to...
Hello,
Could someone give me a hint with the following problem?
I am using two example projects (ble_app_uart_c, ble_app_hrs) to connect a central and a peripheral.
An...
Hi,
I am interfacing micro SD card with nrf52 using fatfs example in sdk 12.0. As I am beginner, first I wanted to perform operations like read, write, delete and some...
I have erased my J-Link firmware in error! after having installed the version supporting V6.12a, however that upgrade wasn't achieved via the drag and drop process.
Where...
Hi,
I am looking to test the performance (range, data throughput, packet drop rate etc.) of BT5 in application specific setting using nRF52840. Ideally this would be done...
What has been tested:
In the Bootloader configuration inside the watchdog and start and
feed the dog operation, and then in
the static void wait_for_events
(void)...
Hello,
I am working on modified version of ble_nus example and I tried to send data to nordic DK.
In Android, I used
BluetoothGattCharacteristic characteristic = mBluetoothGattService...
Hi,
We are designing a system that shall supervise the battery voltage (1 AA cell) on an analog input to the nRF51822. Question is what happens when we put the processor...
Hi
I'm doing project called automation of lights using beacons and iam using sdk (nRF5_SDK_12.1.0_0d23e2a) and nrf51822 dongle. I need complete information about advertising...
Hi,
I am using nrf51 dongle on which I have loaded example code for BLE central(ble_hrs_c) from SDK 11.0.0 's example folder + soft device S130.
My problem is, I am...
Howdy. I have some trouble when trying to communicate with AD7793 using SPI.
I used ble_app_uart example and combined it with the SPI master example and the general...
Hi,
currently, I'm working on encryption using the crypto module of SDK 12.1.0 for SoftDevice 3.0.0
It is no problem to generate a public key, but if I want to generate...
We are using the nRF51822 on our product.
I'd like to know about the minimum value of RSSI ?
We checked the minimum RSSI value by using our products.
And most of...
Hello,
We plan to use the Serialization mode with the NRF52832 module.
We would like to know how is handled the low power mode when the NRF52832 module is used in Serialization...
I am adding a bootloader with BLE OTA upgrades. I am using SDK 11.0.0 and I based my bootloader in examples\dfu\bootloader . I can only fit a single bank upgrade (I upgrade...
Use the guide to compiler the UECC almost neet use 20 hours to finish it.
I think that Nordic need provide the after compilered uecc lib.
That will save so many time...
I have an accelerometer that utilizes IC2 (NXP MMA8452Q) that I am trying to integrate with the nRF51 DK. The accelerometer is on a breakout board, and is wired up very simply...
