If anyone will ever have this error:
When using c++ and singleton the use of operator new is not possible.
I found the solution in this post: forum.arduino.cc/index.php...
Hi I am using Jlink board, when connected to my pc, I can't select nRF5x programming.
Version I am using is 1.20.0.2. I tried the uninstalling everything and installing....
Hi guys,
In the iot sdk in mqtt.h there are typdefs for "mqtt_topic_t " and "mqtt_subscription_list_t".
I'm trying to set several topics (5) and subscribe to them.
...
Hi,
I am using nrf5832 that is running a coap server example.
I have modified it a little so it reads sensor data via i2c and returns the data using the coap callback.
...
Hi,
I would like to receive some suggestion about finding a CHEAP smartwatch / wristband already available that has these minimal features: BLE (with SDK / GATT profiles...
Compiled with Keil4 software compilation and C of the mixed program, the error is:Branch offset 0x00000228 out of range of 16-bit Thumb branch, but offset encodable in 32...
Hi,
I am currently working on a prototype with Silicon Labs Thunderboard sense. I am looking for a replacement product that has NRF BLE module. All I need is a BLE module...
Hello,
We start using of our BLE devices with more or less permanent connection with our central BLE device, it was needed for Alisa connection.
BLE peripherals are old...
Hi,
I am a beginner in nRF52840. I want to add a channel hopping feature in the 802.15.4 example .
As per my understanding of source code, we can set the channel number...
I am looking for a way only a known/trusted device can connect and write/read information from my device. Filtering by address(white-listing) is not feasible. So what is a...
Device:
Peripheral only
Peer Manager and Bonding working
S140 radio
nRF5 SDK 15.2.0
Rigado BMD-340 module
Central == iOS devices
Our nRF5 module is controlled...
Hi, I'm on last step of developing, but I have this critical trouble. For the project, I started from ble_app_buttonless_dfu sample of SDK15.3. I added some peripheral (one...
I'm using the ble_app_grs_freertos example. I'm trying to maximize its thru-put potential for Central devices which can support the high data rates. For this I've used the...
Hi, guys,
What I do:
Add freeRTOS into ble_app_hrs example project in SDK15.0
What matter I get:
When I set NRF_SDH_BLE_GATT_MAX_MTU_SIZE as 247, the device can not...
Hi Guys,
I am using Si7021 I2C temperature sensor and I want to read the temperature value using nrf52840-DK. I connected the sensor to the 27,26 pin.
I wanted to read...
DK version: nRF5_SDK_15.0.0_a53641a
Softdevice version: s132_nrf52_6.0.0_softdevice
I am using a Fanstel BT832X SOC, which has the SKY66112 PA, on a custom PCB. The...
Hello,
I am using UART to receive data on a nRF52840 DK.
I have written some code using the Serial Port Library.
I have attached snippets of the code dealing with the...
Hi,
I'm working on a tone library. I'm using timer2 and ppi channels to generate 50% pwm signal.
It's working fine.
Now i want to add another timer comparison ( timeout...
I am trying to see if there is a way I can generate a multi frequency audio signal without additional hardware. I am talking about something similar to DTMF. The audio wave...
Would you please tell me how to use the nrf52832 PWM interface to implement differential output to spkr?
Here is my PWM interface configuration code:
NRF_PWM0->PSEL...
I am working on a device which also needs to give audio feedback to the user.
The app on the mobile phone needs to send a wav (or similar) file (mono, speech) to the device...
