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...
When I add an attribute with BLE_GAP_CONN_SEC_MODE_SET_OPEN I get a BLE_GATTS_EVT_RW_AUTHORIZE_REQUEST event when I try to read it.
I do not however get a BLE_GATTS_EVT_RW_AUTHORIZE_REQUEST...
My application involves driving a digital-output (PDM) MEMS microphone at 1 -- 3.25 MHz with a clock generated on a GPIO.
devzone.nordicsemi.com/.../
The output of the...
Hi, I have a custom service with 3 characteristics and i've been attempting to send one of them as a notification so I can use it in the HRS sensor app by changing the UUIDs...
Hello,
I am working with the nRF51822 and S110 Softdevice. I have so far successfully created several examples of fairly complex Peripherals. Now I am trying to,
A)...
Hello,
If we use same hardware and antenna design of one of Nordic DV/EV kit, can we shorten bluetooth LE certification process?
I see Nordic points the following app...
Im trying to run the example blinky_example on BLENano (tried with gcc / nrf51822-sdk on linux and windows)
.hex from linux before merge : 8475 bytes
.hex from windows...
I'm looking at the downloads for the nRF51 DK which has the nRF51422 core. I'd like to put the s110 softdevice onto it, but I don't see a download for s110 on nrf51422, just...
Hello,
I am trying to use the s120\multilink_central example, using SDK v6.1 and S120 v2.0. The probleme is that I get a hardfault handler. I think that the probleme is...
Hi, I am using a nrf51822 with sdk 7.2.0 and s11o v7.1.0
I also have a imu ( mpu 6050 ) that gets accelerometer and gyroscope data.
How do I do continuous transmission...
Hi,
I am using the nRF51 Dongle and every time I send a command the pipeline goes into "Stall" condition. Using USBlyzer I can see that the command is sent but straight...
Hello,
I would like to build a device that looks for other beacons (not using a phone)... This device would simply look for other beacons near this device.
My questions...
I just tested putting the same firmware on two different nRF51822 s and inspected them with this test app .
They show two different UUID's.
I can find no macro...
Hello guys!
I'm experiencing some troubles trying to compile the blinky_rtx example for my new nrf51DK. The source is taken from the SDK7.2.0.
I'm under Linux and I...
I am brand new to nRF51 DK and I am struggling to figure out where to start. My goal is to periodically sample analog inputs and write them to SD card.
Can someone point...
