Hello,
I established a connection between my central and peripheral module. Now i want to write characteristic value on peripheral. I tried with sd_ble_gattc_write function...
I am using the NRF24l01 for my products and looking to buy in bulk(100-1000). Now I know where to buy the just the IC but antenna design is a hard point to break right now...
Hi, my friend,
I've been with nrf905. I use a 16-bit CRC check.
But I encountered problems in use:
1.Nrf905 16-bit CRC check format is CRC-16(IBM):X16+X15+X2+1 or other...
I have two custom PCBs, each of which has a microcontroller and an nrf24L01+. Everything related to the transceiver in the designs are complete duplicates (with the exception...
Hello,
I've built a small BLE-device based on the nrf8001.
With my Iphone I can discover this device and I am able to connect to it and listen to notifications of the...
Our pcb is used for gps location data. We have a nrf24L01 nordic chip as the micro process or between the gps module and wireless module (2G). Our engineer needs to capture...
Hey folks,
I'm trying to modify the SPI Master loop back example into a 4 line SPI Master_Slave program. Whenever I change the Tx_Buffer_lenght from 10 to lsome other numbers...
Regarding I2C, the Nordic specifies a typical value for frequency in different modes (nrf52832/40); however there is no tolerance specified for the frequency. What is the...
Hello, we are trying to use a uart while minimizing power consumption. On this post
https://devzone.nordicsemi.com/f/nordic-q-a/26030/how-to-reach-nrf52840-uarte-current...
Hi,
I am evaluating the nRF52840-DK and wanted to add some debug code to the UART.
I have used the same libraries as the 'UART_PCA10056 (which works), but when the code...
Hi,
I'm using SDK5 V16 with the NRF52dk. I'm writing a SPI <-> BLE <-> USB I/O chain and am still kinda stumped by the SPI. All the examples work just fine, but when I look...
We seem to be having an issue on several Android devices, where reconnecting sometimes triggers an erroneous GATT_INSUF_AUTHORIZATION. This then causes Android to automatically...
Hello,
I am currently trying to get a project working that uses FDS, but I am having trouble getting the writing and updating working.
The peripherals in my project...
I am trying to use the BluetoothLeScannerCompat for Android library and have the following problem:
At Github I find:
BluetoothLeScannerCompat scanner = BluetoothLeScannerCompat...
I'm looking for a recommendation on how to simply connect 2 radios to implement a remote switch for a fan.
I'm interested in using Zephyr to begin learning to use it. I...
Hi Support,
Since iBasis eSIM card does not support roaming in my country I got an eSIM of Emnify https://www.emnify.com/m2m-iot-coverage. The company's promises are to...
Hi Folks,
I am looking for a high level abstraction layer project as mbeb API which implement the S140 Softdevice stack.
Do you have any repo to suggest? The mbed api...
Hi Devzone:
It's really hard to piece together all the informations so I guess I will seek help here.
I need help choosing the location of one page flash storage for my...
Hi there, Until todayI had no problem programming/controlling my nrf52832 on my custom board. Suddenly Im getting segmentation fault whenever I try to communicate with the...
I am developing an nRF52832 application requiring two separate quadrature encoders interfaces. The included nrfx QDEC driver would work just fine and it would save me a lot...
I have the following statements throughout my code.
printk("Temperature(BMP280): %3.2f %s\r\n",tempFloat,tempUnitsCentigrade?"C":"F");
I would like the format %3.2f...
