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, 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...
Hi there,
I'm currently facing the problem, that an example as simple as
volatile float sum;
extern "C" int _start()
{
float a = 1.0;
double d = 2.2;
sum = a ...
I have a nRF51822 mkit board which I would like to use as a BLE peripheral to connect to my linux computer with BlueZ. I would like to be able to have a simple GATT connection...
Hi,
I'm trying to get a SPI based peripheral going without much luck.
One thing I noticed, in the debugger, is that on my implementation the field spi_base_address->POWER...
Hi,
I'm getting problems on the pca10001 uart example. I get the "Start:" string on the terminal but it can't echo what I type on the keyboard. Another thing is that I...
The nrf51 powerdown examples
github.com/.../nrf51-powerdown-examples.git
Are these power down examples are helpful. They clearly indicate how to power on the nrf51822...
I have a custom board using the nRF51822 as a peripheral with the S110 SoftDevice. The centrals are mobile apps, both Android and iOS. The device spends a lot of time in a...
Hi
I'm trying to run uart example on nrf6310.
I followed following link.
devzone.nordicsemi.com/.../
and I defined ENABLE_LOOPBACK_TEST.
it was resulted in blinking...
I am using sd 7.0.0, I have a simple bootloader implementation that follows the bootloader sample code pretty closely. When I jump to my application from the bootloader and...
Is there anyway to get a light to blink using only the PCB antenna module?
Also, is there anyway to blink a light using only the Bluetooth Smart Beacon chip?
Hi,
I'm attempting to use 'S120/experimental/ble_app_multilink_central' running on a pca10001 to better understand the central / peripherial comm sequencing on the nrf51...
Is there documentation missing from the SDK 6.0 docs (and 5.2) ?
For instance:
https://devzone.nordicsemi.com/documentation/nrf51/6.0.0/s110/html/a00125.html
is blank...
Hi All,
I am new to BLE nRF 51822 development kit. It is mounted on nRF go Starter Kit. My question is how can I put a advertising 51822 chip to sleep? Also, when I turn...
Hi
In my custom project I'm using pins P0.14 as SCL and P0.15 as SDA .
I know the pins selection #define is in twi_master_config.h. But the question is whether I have...
Hello,
I'm using: nRF51422-QFAA E00 and SDK - nRF51 5.2.0
Right now I'm running without softdevice enabled. I'm trying to use RTC1 Timer for my own delay_ms() function...
Hello,In normal condition, I use UART,pwm,spi an so on.Now I want to clear the configuration, and enter System ON mode.But I don't want to system reset.
How should I do...