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 there,
We are using the nrf8001 and a arduino to read out two sensors.
The two measurements should be at the same time and therefore are coupled to eachother.
Is there...
Hi
I try to program my custom board using J-flash and Flasher ARM ( for production ).
Attached my J-flash configuration.
Connection with device is successful established...
I've recently began experimenting with the HID service and connecting to iOS devices in order to achieve lower connection intervals with Apple products (as described in their...
Hi,
I tried the booloader program on nrfgo mother board and it works as it is.
However, after I followed the same procedure and download to our inhouse board which is...
Hi!
I'm trying to receive notification on a characteristic that I've written before but I can't. I've activated the Notification in that characteristic, after that I write...
This question is somewhat related to: devzone.nordicsemi.com/.../how-to-switch-between-over-the-air-and-uart-bootloader-mode
I know it is possible to switch between HCI...
Hi
I'm working on the DFU feature according to the "device_firmware_updates" example on PCA1001 board, basically it works, but the question I'm facing is the board always...
hello,
We used the nRF51822-BK-FW 1.0.1
We need a little more help here to add the MAC address to the advertising packet. Can Any one help us add that to there?
i m attaching...
Hi,
Could anyone give some idea how to do data transfer with help of L2CAP (calling L2CAP APIs from Application)? I will be very much thankful if give description/steps in...
Hey all,
I have a custom board running a 51822 rev C0 chip connected to a TMP102 temp sensor over I2C. I was using the twi_sw_master.c to successfully talk to it in my...
Hi All,
I am new to the field and working on nRF51822. As mentioned in the question, which is the easiest way to Implement a simple LED blink (10Hz) for 5 seconds?. Is...
I have successfully tested the SPI master loopback example on pca10001 eval board. I have a few questions regarding a real-world scenario when there is a slave SPI present...
I'm trying to follow the instructions for "nRF51822 Beacon Firmware Documentation" for over the air firmware upgrade of the smart beacon, but I can't find the soft device...
