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...
Has any managed to connect a Windows Phone 8.1 device to NRF51?
BLE is "definitely" supported on Nokia Lumia:
Nokia Support
But I am unable to pair with either SD 5.1...
I'm working with a custom hardware board made by hand which works properly, but since we make a batch with a pick and place machine, something seems to be wrong with the board...
I am trying to use the S110 v7.0.3 with a nRF51822 QFABA0 chip. I am using the hrs example from the SDK v5.2.0 ( I have changed the IROM address to 0x15000). I've got an error...
I am using mbed library to get leg up on development.
This is the first time I am writing any MCU application and it sure makes things a lot easier.
I am using nRF51822...
Dear Nordic,
I would like to implement on server side Private Resolvable address according to specs. For that I need to get the IRK that has been sent to client (central...
Can't seem to find the proper sdbc file and pack for the newest version of 51422_S210_256k for Keil 5 on either Keils site nor Nordic's. Called Keil and was told that Nordic...
In Nordic\nrf51822\Board\pca10001\s110\ble_app_hrs project,when I add somting into this project but the now that I add dose not work!!?
//this is buzee_gpiote_init()
static...
Hi,
I am working on proximity solution app and I have to implement link loss and immediate alert service but don't know how implement it as I am a learner in this technology...
Hello
I think my question is pretty simple but I would like to clarify this topic, please:
I have read in other threads in this forum that " bonding should eliminate the...
Hello,
Actually, I am evaluating the nRF51822 using the EK. I have some questions as follows:
1- Is the S120 an enhanced version of the S110, and what is the real difference...
I use P0.2 as a wake-up pin, when the system into a deep sleep, I connected a High Voltage in the P0.2, it can wake up, but if I connected a High Voltage in the P0.2 always...
Hi
I got some questions about the RF part of the ref schematic.
1, why the bias voltage for ANT1 anf ANT2 are not the same since they are differential lines?
2, what...
Hi,
Today I use the app timer to start a simple 8bit ADC conversion each second and send in the irq handler.
Now I am trying to use the sw interrupt to execute some...
Hi
I want a 1K Hz square waveform to drive a peripheral device, but I can not get a continuously square waveform on GPIO 19, pls have a look at the picture I attached,...
Hi All
I am facing one issue using app_timer.c, When I put the PRESCALER value as 327 and started timer as app_timer_start(timer_ID, 100, NULL);, It was giving only 920ms...