I would like to develop my own central device to communicate with the RedBear Arduino shield. The RB device uses a from of UART communications to send data to/from Android...
I was wanting to use a nRF24L01 with a breadboard but its pin-out didn't allow it. A solution then occurred to me based on parts at hand. I wrote it up with instructions and...
Hello. Can I get a literature to the nRF51 series?
I need a full abstraction of the nRF51, like a book or other information, it's structure schematic of build-in modules...
hts, HTC phone, nrf tools HTM, nrf51822,
every time when it's power up :
the once connect: error code 0x7A cann't read characteristic and 0x14 state change.
the second...
Our company needs wireless temperature sensors (can be externally powered or battery operated) and transceiver with 4 channel analog outputs. It has to be finished product...
I am toggling Value of slave through a button on nrf51822ek .This Value is displayed on MCP of dongle, but i have to get this value on terminal to send it to pi then through...
Hello, I am tryong to use to masters to communicate with two accelerometers.
Q1_ I found the following image from Nordic's website that shows SPI0 pins but there is no indication...
I'm trying to minimize current consumption on my BLE peripheral and I wanted to know what advertising data is required. I have a custom service with a 128-bit UUID but do...
Hello!
I am using a keyboard (4x3) and the rows are configured as input PD and columns as output set, after a successful interrupt , the columns and the rows shift settings...
I am using nRF8001 bluetooth ble for my project. I would like to get the RSSI value as a reference value in my firmware. Is there any way that I can get the RSSI value from...
Hello,
I'm using the following (nRF51822-Beacon): www.nordicsemi.com/.../nRF51822-Bluetooth-Smart-Beacon-Kit
I would like to use the beacon for beacon-to-becaon and...
I am calling the spi_master_send_recv in a ISR from a GPIO using app_gpiote.c It causes a hardfault on APP_ERROR_CHECK(sd_nvic_DisableIRQ(p_spi_instance->irq_type)); Otherswise...
Hi,
The nRF Toolbox app on iOS crashes when opening user added files in the DFU. These files are added to the app via iTunes. The version of the nRF Toolbox is 1.7 which...
Hi,
We're producing a custom board based on the nrf51822 and would like to add a USB Serial chip.
The current contenders are:
a) FTDI 232R
b) ATmega8U2 ( www.arduino...
As the picture shows, I saw this softdevice_hex option available.
The error says, "require nRF_SoftDevice S310_Hex".
But where to this missing component.
My development...
Im sending an 8 bit int using my AVR controller as follows:
static uint8_t* dummy_heart_rate = 6;
aci_loop();
if (lib_aci_is_pipe_available(&aci_state, PIPE_UART_OVER_BTLE_UART_TX_TX...
Are there any pins that I can NOT use for SPI on the nRF51822? I'm not seeing any notes in the latest documentation but would like to make extra sure before I spin a board...
Hi there,
Using mbed i have currently programmed an nRF51 DK to transmit data through a custom service with 6 read only characteristics. Is there a simple way i can alter...
Hello.
I cannot get my head around app_timers. After reading the docs, examples and answers on the devzone I'm still unable to get it running. The timeout callback isn...
I am trying to add SPI to the ble_uart_example on my nRF51-DK but when I try to debug my code debugging just stops (All "step one line" etc. buttons grayed out) at this line...
Hello
I'm using the nRF51 DK and I have a UART over BLE link set up between the board and a phone with the nRF UART app. I'm trying to get the board to execute a particular...