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...
I would like to hide BLE advertising from normal BLE devices.
And only be able to see such advertising with dedicated scanner.
I was thinking of changing access address...
Im making a project were i have two robots each one with a device connected with a mobile phone. But at same time i want that, when they are near each other they exchange...
Hi all! I am attempting to download a file from a web server to an NRF52832 using the Nordic IoT SDK version 9.0. Are there any good reference librarie? I found a few for...
In short:
Is it possible to connect a nRF51822 s110 peripheral from a central without the need for sending advertising packets (by peripheral)?
If (hopefully) yes...
Hello,
I am trying to create an application that sends a notification from the nrf52 to a smartphone when a sensor reading exceeds a certain value. Would the immediate...
Hi,
I have designed and made a PCB with the nRF51422 chip on it. I am programming the chip externally using the P20 header pins on the nRF51-DK. I am not sure whether the...
What I have to do if I met this ? I round length to fit (len+4-(len % 4)). Is it right ?
if (!(IS_WORD_SIZED(m_start_packet.sd_image_size) &&
IS_WORD_SIZED(m_start_packet...
Hello,
We have problem BLE connecting to the nRF52832, if we use the method gap_init(), the "better" smartphones can connect(those who support BT 4.2). If we skip the gatt_init...
Hi,
I'm trying to program an external NRF52832 board with the NRF52-DK, per the instructions in this post .
Programming works fine, but the code doesn't execute after...
Hi,
I'm trying to do DFU in my app, I almost complete it, I met a problem that my app flashed back when I sent 04 to the device.According to the DFU doc,after uploading firmware...
Hi,
I'm using the ADC of nRF52832 on nRF5 SDK V12.2. The setting as attachment. I found that it just do sample one time. But I have use timer to call nrf_drv_saadc_sample...
The scenario like this:
A is BLE peripheral with firmware (ble_app_uart under nRF_SDK_13.0.0_04a0bfd), if no filter,any central can cenncet to it, but I just want B can cennect...
Dear all,
Help please,
I'm evaluating ble_app_uart (Central/Peripheral) but I don't understand how to disable the echo I have on the RTT USB VCP
When I send data from...
I am using 3 nrf52 DKs with S132 and SDK13 to try and implement a combination of the multilink and UART examples. I started with the ble_app_uart_c example and added the relevant...
Hello! I try to use three modules with chip nRF24L01 to syncronize two slave devices by one master device without wires. Required accuracy is about 10 nanoseconds. My idea...
We have an external interrupt every 4ms that collects one 24-bit sample from an analog front end via SPI. After Collecting 6 samples (18 bytes) we send a notification with...
We are obtaining a license from bluetooth SIG to import to the States Bluetooth smart trackers we bought from China. They are made using nRF51x22. How can we find the Controller...
