In the nrf51 series reference manual section 12.1.9 it states that there is hardware protection that prevents write instructions from being executed and that there is more...
Hello, I have established the connection between two pca10001 boards, one as central and one as peripheral using multilink_central and multilink_peripheral. I have serial...
Hi,my friend,
Now,I use nrf905.Situation is as follows:
I use the NRF PCB circuit of data manual.Nrf905 work, often loss of data.
1.The Product host is to use the stick...
Hi,
I want to use the Blend Micro with more security. I want use a passkey for the Bluetooth connection. For example through the iOS Device.
Is it possible? Static passkey...
How do I receive multiple signals simultaneously at a single receiver (433MHz) with multiple transmitters ?
I am working on a polling system. This one is similar to the audience...
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,
I'm looking to work with a Bluetooth LE master device. From what I read the nRF51822 should be able to function as a Master device (the dongle is configured to be a...
Hi all
I want to load the (UART_example) flash image compile with Keil by nRFgo studio,
but a program fail occur as below screenshot:
any idea?
Thanks.
I have test RTC example on both different hardware revision nRF51822 chip.
1)N51822 QFAAC0 1309AF
2)N51822 QFAAC0 1308AE
1309AF revision chip is function properly with...
I'm confused about how to assign a functional block's I/O (TWI in my case) to a particular pin on the device. Is there a worked and documented example? Is there a relevant...
I am trying to get wireless communication implemented on a robotics project I am working on. I'm using a PIC18F4550, PIC18F2550, and two Nordic nRF24L01's. I'm having trouble...
I'm attempting to have two separate evaluation boards talk to each other through the GHz Radio. I've read the docs, and they explain that I have to set the radio in either...
Hi, I am using a app_gpiote_user_register to register a gpiote user and then enabling it, before I set the pins this user detect to be input using nrf_gpio_cfg_input. When...
Using eclipse and code sorcery compiler I got an undefined label error, see below
[b]_build/gcc_startup_nrf51.o: In function Reset_Handler': /home/oscar/workspace/Nordic...
Hi everyone:
use Gazell to builder multi-node .
so i have to re-enable pipe number on connect state.
my Fragment code about "open/close pipe".
but it not work correctly...
In nrf_gpiote.h:
The workaround code for PAN_028 OUTINIT anomaly (#9) will cause the GPIO to glitch to the undesired state if it is already assigned to a GPIOTE and in...
I'm trying to use the NOACK mode for some packets on the transmitter side,
and W_ACK_PAYLOAD on the receiver side.
My problem is that if the receiver gets a packet with...
Hi,
mi question is about how to configure in a good and complete way Timer1 and Timer2, so trying to be more specific with my Question:
I need timers with a Tick of 250ns...
We are creating the source program for examining RF module which uses nRF24LU1P.
It is the program that it transmits on the frequency specified from PC.
The API of USB...
I'm attempting to write my own Service based on an example; there are two simple Characteristics in the design. During the discovery process, however, I'm getting the following...
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...