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...
Recently i have bought 4 nRF51822 custom board and unable to program it.
The laser mark of the nRF51822 for custom board is
N51822
QFAAC0
1308AE
I failed to program...
My 51822 needs to support some realtime control code that runs for about 75mS. During that time I need to mask all interrupts. With a logic analyzer I can see that my realtime...
I was trying to find nrf51822's operating distance range (max) in the Bluetooth LE mode. Couldn't find any from the documentations.
Any theoretical numbers and/or practical...
So I am trying to figure out what i do and dont have access to as far as flash and ram is concerned. From the nRF51822 spec it discusses this in general but im finding myself...
Hi
My name is Bernard Britton from Trinidad & Tobago and I am looking for someone competent with nRF9E5 to develope a wireless potentiometer position sensor with LCD receiver...
Hi,
While the softdevice is active (nRF51822) available interrupt priorities are:
typedef enum {
NRF_APP_PRIORITY_HIGH = 1,
NRF_APP_PRIORITY_LOW = 3
} nrf_app_irq_priority_t;...
Hi all,
I'm trying to use NRF24L01, using REUSE_TX_PL command,
the data sheet says as long as CE keep high, the chip will transmit the payload continuously, what i wondering...
Hi
Did you have tested the power current of nRF24LU1 when RF was off and USB worked normally?
We want it less than 4mA. Could you have any idea to make it? Thanks.
Hello! I am trying to develop on the nRF51822 eval board as called PCA10001. The programming interface I use is uVision4 on win7.
I would set a static PASSKEY for the pairing...
When I successfully bond with an Android device, then disconnect the Android device, the following attempt to re-connect fails. It appears the chip enters some internal error...
Hi,
after i get eclipse to debug (thanks to cocoa) i need to make a new project. What option i have to choose, to create a new project to run it on my nrf51822 evalboard...
In the nRF51 reference manual, page 59 shows the config value for pullup is 2 (upshift by 2)
In the file nrf51.bitfields.h, at line 2339, we have:
#define GPIO_PIN_CNF_PULL_Pullup...
