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...
Hi.
I am using S130 softdevice version.
Basically, I am using NUS Service and make a my own NUS central service as NUS_C.
It is correctly work at normal state.
When...
Hi folks,
We are in the process of evaluating nordic chips for our product.
One of the features we need is the ability to record an audio sound from an Ios app, send it...
Hello,
I have got nrf Power Profiler Kit for power consumption testing in our application board. I have a question regarding its output voltage for DUT devices. My application...
The project I am working on is to store the data acquired through BLE_uart_c and the data collected by the sensor on SDCard. I use FreeRTOS. The problem is described as follows...
Hello,
I have been developing a project and have run into an issue that I have been unable to resolve in the past two days. The code I have is in every way similar to other...
Hello,
I am using multiple custom boards with ISP1507-AX modules from InsightSIP, based on the nRF52 chip. I want to verify the revision numbers of the nrf52 chips inside...
Hi,
When libubsan and libasan is install the build systems enables some sanitize features in the compiler. These are trigger by the unit tests and four of them fail.
The...
Hi there!
It seems like I've accidentally destroyed LTE modem firmware in my nrf9160 DK during some experiments.
DFU update utility just can't flash the latest firmware...
Hi Nordic:
I just got some confused when I did development between mesh-sdk-2.2 and mesh-sdk-3.0 examples today.
And finally I find a steps to produce an issue of compatibility...
The project I am working on is to store the data acquired through BLE_uart_c and the data collected by the sensor on SDCard. I use FreeRTOS. The problem is described as follows...
Hello,
I have a device that use a NRF51822 with softdevice S110 V7.1.0 with the corresponding bootloader.
The new firmware I develop for this device is base on softdevice...
Hi,
I want to know which pin is signal input and which pin is signal out put for XL1 and XL2, XC1 and XC2.
The document just say they are analog inpu, no ohter introduction...
A cusomer wants to replace a serial communication with BLE. Host side is fixed with WL1837 Wifi-Bluetooth Module and Linux.
How can he implement the Nordic UART Example...
Hi! I have tested programs on three nrf52 DKs before, and when I connect this time, two of them show up and work well on my PC, while the other one just has all four LEDs...
In our Nordic application, we are sampling ADC data at 500Hz and sending the captured 5 sample data at 100Hz frequency to UART Mobile application over BLE.
Each sample is...
Hi,
I run the demo program "ble_app_hrs_freertos" and the ble can advertise, and my phone can find the device,but can not connect to it.
When I run demo program "ble_app_blinky...
