Hi, is there an available developer in my tri-state area of Minnesota, N. Dakota, or S. Dakota? Please call me if you are available for a project for hire. The developer should...
I'm trying to design a very low power sensor that takes readings using ADC and SPI 200 times a second. I'm a bit worried by the current EasyDMA uses (1.1mA). As far as I can...
Hi, I am working on a project where I want to make one nrf51288 chip as central hub and connect that to a android phone and other salve nrf51288 .
idea similar to this: ...
Hi,
I have a code programming the nRF51422 development board to write to a Sharp Memory 96x96 pixel LCD screen using SPI.
Currently the code writes two numbers and a...
I've modified the ble_app_uart example by adding GPIOTE so that the transmitter sends a character to the receiver when a GPIO pin is toggled. This part is working well.
...
Hi,
I am working on my hardware product having nRF-51422 chipset. I just came to know from forum post that
nRF-52 chips will get arduino IDE support as standalone. I want...
Hi!
I've been using PCA10028 for a long time and I had some bricking issues but I've managed to un-brick it with "nrfjprog --recover" and everything would work again. ...
Hi,
I am trying to setup a testing environment using nrf51-ble-driver_win_0.5.0.
All of my job are:
Download nrf51-ble-driver_win_0.5.0, and program connectivity_115k2_with_s130_1...
Recently updated to SDK11 + s130 v2.0.1 on an nRF51822 xxAC LFCLKSRC=RC
BLE Advertising no longer works. Localized it to our use of TIMER2 for an implementation of systick...
Hi,
Im trying to connect MCP25625 via SPI on nrf52. I checked with the scope that CS, MOSI and SCK are correct, but I get no reply on MISO line whatsoever.
I perform a...
Every time I want to connect to Nordic ble device from my Phone, it ask for pairing confirmation and then it create bond. That's how it should be.
But if the device is...
I'm using nfr52 with softdevice s132.
I want quickly perform flash write during power loss.
When I realize write using fs_store() I obtain time more than 5 msec.
How can...
Just do
NRF_POWER->SYSTEMOFF = 1;
in main()
and found if it's boot by powerup
the current is 10.4uA~10.5uA
and if a re-flash the hex, the current is 1.4~1.5uA
...
Hi,
Everyone,
I am using NRF51422 chip for my custom board. with transmission interval set to 2000ms and Tx power to -20 dBm, I transmit 32 Bytes BLE data and Scan and...
I use the softdevice which is s130.The code is from the demo:
static void nus_data_handler(ble_nus_t * p_nus, uint8_t * p_data, uint16_t length)
{
for (uint32_t i =...
Hi,
i'm using SPI to transfer data divided into packets of 24 bit from NRF51 to a DAC. The function that allows to send data is:
spi_master_send_recv(SPI_MASTER_1, data_vector_tx...
I'm having trouble starting my application after power cycling after flashing it with the DFU app.
I started nRFgo Studio. Erased the chip. Programmed the SoftDevice (s130_nrf51_2...
I was just wondering if anyone has any experience with or thoughs about using Zephyr ( www.zephyrproject.org/) or Mynewt ( http://mynewt.apache.org/) that they would like...
Hello all,
i am struggling with the example code of the Enhanced ShockBurst Protocoll in SDK 11. I cannot really see the structure of the code, to which time which event...
Hi all, in the forum I can read about people having issues with wrong CRC in the bootloader, but with SDK11; I have the opposite problem. It is always 0 and is always accepted...
main.c Hi,
I am having an issue with I2C transaction in my program.
There are two sensors(Touch and Temp) connected to the I2C bus. Touch sensor is working well when...