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...
Dear,
Please, could help me ?
My knowledge in RF is basic.
I am developing a system to use 8 RF channels (nRF24L01 +) simultaneously.
I'm using Balum 2450BM14A0002...
Hi,
I’ve just ordered a few nrf51822 (from seedstudio ) and waiting for them to arrive.
They come preloaded with SoftDevice 6.0 or 7.0. with a pre-flashed OTA boot loader...
Hello, I am trying to connect a Nexus 6p running Android 6.0 to the NRF52 dev board. I have tried numerous ble examples in the SDK, but nothing ever appears in the nRF Master...
So if I start a program in debug mode some zero-inited static variables are non-zero.
ldr r1, =__etext
ldr r2, =__data_start__
ldr r3, =__data_end__
subs r3, r2...
I'm attempting to use the app_trace module. I've set it up as follows:
int main(void)
{
// Setup tracing. Also sets up UART.
app_trace_init();
app_trace_log(...
Hello,
I know that this question has been asked a few times, but I am a little desperate after trying to get debug logging over the Virtual COM Port to work. Here are the...
Hi,
I've recently got some brand new nRF51 Dongle, and used nRF51 DK. The problem is that DK is not recognized by mine PC. There's actually some example program (heart...
Is that bad to call RTT functions if there is no SEGGER connected?
I mean, if there is no RTT viewer connected, what the RTT library does with the message to transmit?...
Sorry for bothering you, but my nRf doesn't send anything at all, i check fifo_status reg, put data in TX fifo, then set CE pin four about 25 us, clear CE pin and check fifo_status...
Hello I saw a Nordic presentation where they state that the plugin for nrf51 can export services from Bluetooth Developer Studio for nrf52 but when I include the generated...
Hello,
I have enough experience for ARM MCUs but I am newbie to BLE technology.
I am thinking of a project about using NRF51822 beacon to unlock door when in range.
I am...
Ok, so please bear with me as I'm quite a greenhorn both in embedded world as in nRF series chips. My aim is to understand how deep sleep works. I might use wrong terminology...
Debug Logger without softdevice, and the define ENABLE_DEBUG_LOG_SUPPORT to my project in the C/C++ tab.
i just test, very simple , but cannot get debug log..
int main...
Hello,
We use DFU Service with nrf51 with sdk 9.0.0.
GATT 0x1543 characteristics can be found on DFU Serivce. But the descriptions are not found on documents.
infocenter...
