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...
Hi
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...
I am trying to light-switch test different features in my app to see if I can save some memory, and I found that the examples\peripheral\cli example won't compile if I turn...
The bluetooth of android APP is easy to disconnect (we make smart door lock products); The product is delivered to the customer. It is easy to disconnect and not connect with...
Hello,
I learnt about some resource pre-allocation in the datasheet, e.g. ppi, or API documentation, e.g. app_timer rtc1. I see the SDK drivers are trying to take care some...
SDK16, S112, 52810. I have DCDC set up and external 32.768 crystal oscillator on my board.
Here is my code part:
main()
nrf_power_dcdcen_set(true); nrf_delay_ms(100...
Dear ,
Follow the previous ticket, https://devzone.nordicsemi.com/f/nordic-q-a/59034/agps_thingy91
I am trying to use asset_tracker : https://github.com/NordicPlayground...
I am writing an application on a BLE chip that will transmit high volumes of data to an Android phone (520,000 bytes / second signal).
According to some tests I've seen...
my board uses 51822. I am using 52DK to debug it. I have plugged my board with 52DK as following:
RX -> p0.08
TX -> p0.06
My question is, when I init UART in code...
Device: nrf9160 (dk and custom board)
sample application : MQTT simple
segger studio (nordic version): V4.42a
There are 2 main issues:
1) in the main.c file, Segger...
Last time I used it, it worked fine, it's been sitting in a drawer for some time since then.
When I tried to use it now, i get this error - even though I can read the...
Hi team Nordic,
Looking in the nrf53 datasheet, it seems like the PDM clocks are the same (peripheral) as the nrf52, is this correct?
You usually wanna run the newer high...
Hello,
I am using an nRF52840 on a custom board, and I want to add the workaround for Errata [87] Unexpected wake from System ON Idle when using FPU . However, the the...
Hi,
I´m trying to flash a custom board with nrf52833 chip with the nrf82833 DK.
How can i make sure, that tha DK board will program the custom board? Currently it...
Why isn't this working?
The MPU_RESET_PIN is set to : NRF_GPIO_PIN_MAP( 0 , 20 )
I can not seem to be able to alter the state of the PIN. Whenever I read the PIN its...
Hello all!
I have a timer that sometimes gets started inside the IRQ of the ESB and sometimes needs to be restarted inside its own IRQ
I'm running it in a "one shot...
