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...
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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...
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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...
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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...
I am currently using SDK 12.1.0 and experiencing intermittent HardFault crashes in timer_list_remove() with the stack indicating the origin being a SWI0_IRQHandler call. ...
i have a setup with one NRF24L01+ as PTX and one NRF51822 as PRX
my problem is that the data sended ok and ack sended to NRF24L01+(i assume that by NRF_ESB_EVENT_TX_SUCCESS...
the application need the nRF24LE1 to go to memory retention sleep model for more than 2s,and we know that RTC can only timer for 2s.i used WDT to do this job , but there is...
I use below code to disconnect the BLE device from mobile phone. But it return err_code =7. Please comments.
if(m_conn_handle!=BLE_CONN_HANDLE_INVALID)
{
LocalInitiateddDisconnect...
Hello,
I am working on S120 stack and 9.0 SDK and the central will connect to 2 different peripherals with unique IDs and both unique ID is having different service.
...
Hi,
Do the nRF52 GPIOs retain their pullup/down or drive characteristics when in its deepest sleep mode? VCC is still applied, but otherwise, the chip is to consume a minimum...
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I need to migrate from the 2.0 SD version to the 3.0 of the s132. I have downloaded the zip, and programed my DK with the new SD code, also, I have changed the IROM1...
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In proprietary model of nrf51822,I doubt that the RSSI is not accurate in my testing environment,so i want to calibrate the RSSI info by using R&S SMU200A,can anybody...
Hello,
in the nrf52832 PS I've stumbled over the "EasyDMA array list mode". From the description, I'm unable to understand, how this works and what I can archive with this...
I have a custom board that has an MPU9250 attached as a SPI device. The MPU can generate data ready interrupts. I have set the MPU to generate data ready 4x per second which...
Where can I find documentation for using EasyDMA list mode on SPIM?
I've got nrf51822.
All I can find is this nrf52 documentation , which seems incomplete.
Is there...
I'm new to Gazell, so please excuse the simplicity of my question, but I just seem to be missing something.
I have an application where I will be using one host with two...