Hi all,
I've developed a broadband vibration energy harvester that is able to pick up uW of energy from just a couple Hz all the way to 150Hz. I'm currently looking for...
We use SDK12.10 Main.c (d:\nordic\5142xx\software\org-sdk12.1\nrf5_sdk_12.1.0_0d23e2a\examples\ble_central_and_peripheral\experimental\ble_app_hrs_rscs_relay.
My question...
Solved: Well, turns out delay and SCK doesnt work well together haha. I imagined the sck signal to be a background thread of some sort. I was wrong.
Hi guys,
at the...
Hi
Im looking for a developer in Denmark to discuss ble technology with. Im trying to get better to understand the technology, because i have some ideas involving beacons...
This system does not work if I enable the third Pipe (Pipe2) .
The system is working without any problem as one RX and two TX (Pipe0 and Pipe1).
The problem on enabling...
Hello,
i have read if not all posts about writing to FLASH while using BLE. But could not find the desirable method.
What i would like to do is to write to flash from...
Hello,
i have read all posts about writing to FLASH when using BLE. But could not find the desirable method.
What i would like to do is to write to flash from characteristic...
I tried to read out the temperature sensor of NRF51822. In light CPU load (turn on ADC and send data through BLE every 1s), the measured value is around 45 degC, compared...
I am using the RTC1 compare event to generate a periodic interrupt. When I halt the bugger and and then run the interrupt doesn't occur. Looking at the RTC1 register set shows...
Hi,
This post is very old.
devzone.nordicsemi.com/.../
I have a nrf51822 chip and I'm using it as BLE and it exposes some service and characteristics and it is working...
I am working on a system where two nRF51 will communicate with use of the ANT protocol (S210). The master and slave must be paired after pressing a button on both sides. I...
Hello!
I set up a project using NRF24L01 and a patch antenna ceramic, the type used in GPS.
In fact, I tested several types of antennas, F, F inverted, GPS, Loop. But...
Hello,
I'm trying to create a PC application to read out some Ti Sensor Tag modules. I'm using a nRF51822 USB dongle and the Master Emulator api.
The nRF dongle sees...
I want to power the dongle from a 5V battery but don't want to solder directly to USB pads at the risk of ruining them. Can I put the 5V from the battery at the Vin point...
I have S110 peripheral device with custom UUID, created as described in www.nordicsemi.com/.../80193304 .
On the other side i have S130 device who successfuly scans and connects...
Sorry for the non-tech. question but I just heard that BlueTooth group is significantly changing BLE licensing policy. Maybe it's some kind of FUD but it should be mandatory...
Hello,
I am running the s110_nrf51822_7.0.0_softdevice.hex and am encountering an nrf callback assert on line 1377 of rem.c.
Without any visibility into this code I...
Hello, before you say anything: "yes I have searched!" :D
I found that this question was similar to mine
How to write GPIOTE Interrupt
Now I am fairly certain that I...
Hello,
I am trying to connect to one specific device. To make this I am advertising with the whitelist. The problem is that the whitelist do not seem to work. I got the...
I am using the nRF51822 module. I am using the following code to set my device discoverable:
ble_gap_adv_params_t adv_params;
ble_gap_addr_t *whitelist_addr[1];
...
I've got a custom board with an nrf51822 (ic rev 2, QFAA), and I'm trying to understand some unexpected current draw that I'm seeing from the board. Currently the entire custom...
