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...
I'm looking at an application where it would be beneficial to be able to read data from the bluetooth device as it passes. It would be easiest for me to do this by simply...
I am using the TWI module in master mode, with sdk 10. I purposely create an error situation, in which the TWI gets stuck and keeps returning NRF_ERROR_BUSY every time I try...
I've completed the Custom service tutorial, and I wanted to port the system to use the SDK10 with the pack installer. I've run into an issue though.
The code runs fine...
Are the GPIO pins in disconnected state during the startup until they are configured by the Firmware?
If not what is the state of the GPIO pins during startup?
Hello.
I have problems uploading with DFU OTA any application. For this case, I am using "dual_bank_ble_s310" example.
First of all, I put this memory's configuration...
Hi,
I am using nrf51822 CDAB version chip which has 128kb of flash memory, my code is built on ble_hrs
I am trying to save my app_trace logs i.e., redirecting my printf...
Hi,
I'm using pca10040 board. For my requirement i'm using FreeRTOS. While creating task we need to set stack size for each task.
For that i created only one task with...
Hello,
i would like to scan for a custom UUID Ventor. And when the BLE Central found this BLE Client.
I will Change one Output pin from low to high.
I start with the...
hi,
after connecting to peripheral device. app_timer_cnt_get() function always gives 0. why it is so. i am not able to understand it.
can anyone help me to get the current...
Hi all,
Can I do something like this:
The SPI master sets CSN line low.
The SPI master sends multiple packets. And the total number of bytes exceeds the...
I want to transfer data collected in my nrf52DK to nRF51 dongle at regular intervals. Right now I can use master control panel in PC to receive the data. Is there any way...
I am using the bootloader from github here to upload DFU over-the-air using an android phone. It works fine for bootloader and application uploads. But if I upload the softdevice...
I'm looking for a radio module for a harsh environment (steelworks furnace)
The module has to work at high temperature 80°C and must transmit 16bytes every second at a distance...
I use nRF51-DK and nRF51-Dongle for a BLE sniffer.
Always the sniffer fails and marked with an error "Encrypted packet decrypted incorrectly (bad MIC)".
It can not be...
Hi. I'm using PCA10028, SDK10.0.0, S130.
Recently I'm testing SYSTEMOFF mode.
Unfortunatly My board is not operate now.
KEIL can't connect PCA10028 baord any more.
Here...
