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...
Hi All,
I am new in nrf51 development. I have a nRF51-DK kit. I would like to make development in Linux (Debian) only.
I found a lot of documents and I can compile examples...
I have read many times about how BT LE allows devices to run for more than a year on a coin cell.
However, the least current consumption I can obtain while connected is around...
Hello,
We are developing a system using a receiver nRF unit, and multiple transmitter nRF units. The transmitters use the proprietary radio protocol (not bluetooth LE)...
Hello,
I am trying to flash an application onto nRF8122 from an android mobile using the Nordic app. After pressing the DFU button, the programming fails giving a pop as...
I've been looking for information on GCC support for the DFU bootloader examples in SDK v7.2.0 for the BLE Dongle board(PCA10031) but unfortunately there's nothing in the...
Hi
I'm testing the nRF Toolbox for Android. But I get this error when I try to connect using the proximity feature:
I'm using the nrf51822 EK with the s110 ble_app_proximity...
Hi Nordic Guy,
I'm trying to fine tune my connection parameters for better battery life, while at the same time trying to keep them within Apple's guideline. I notice in...
Hello guys, I'm going to start programming for nRF51822 and I want to ask you something.
I'm going to start coding for mbed HRM1017 which is the simplest eval board I found...
I'm attempting to use a custom UUID as outlined in nAN-36. I get an error (NRF_ERROR_DATA_SIZE) when I call ble_advdata_set . Specifically:
ble_advdata.c::uuid_list_encode...
I have a bluetooth hub (NRF51) as central and a wearable device (NRF51) as peripheral. What I need is that as soon as a smartphone enters the range the peripheral let's go...
Hello,
I'm redrawing and routing my own PCB for nRF81x22. I take the details from pca10028 files.
My question: Can I route the PCB with only 2 layers?? I have seen only...
Hello,
I had to use sd_ble_gap_address_set() to make sure, that a bootloader running on the same device will not be cached on OS/X:
static const ble_gap_addr_t gap_addr...
This may be a newbie question, but it had puzzled me for a while now.
Looking at the PCA10031's schematics i can see two leds been used.
LD2 i can figure out. Datasheet...
MQTT Example in the IoT SDK compiles with size bigger than available 160KB Program space?!! Is this correct as I can't flash with the IoT SoftDevice on it.
