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...
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...
Good day
I can't see my beacon on my phone after downloading the app. The beacon is on but still can't be recognised on the phone.
what might be the problem?
Tsh...
I have an nrf51-DK with an external Temperatur/Humidity sensor. Data is received over I2C. The goal is to save data 6 weeks. I will also need the SoftDevice S110, because...
I will use ADC / Button function over SoftDevice.
below by source.
the thread is repeated not go beyond the conn_params_init.
#define ADC_SAMPLING_INTERVAL APP_TIMER_TICKS...
Hello,
I am working on s130 softdevice(SDK 6.1.0.0 and nRf51822 &nRf51 DK). I have one peripheral and two centrals. but the data from peripheral should be read from only...
I find this function.
tx
void ble_send(uint8_t * data, uint8_t length)
{
ble_nus_send_string(&m_nus, data,length);
}
ble_send(&data_array[0],10);
but I don...
Hi, I'm trying to run ESB during the timeslot api requested slots.
The problem is that BLE uses app_timer, which uses SWI0 for the callbacks, and at the same time, ESB also...
Hey , I am working on nordic nRF51822 chip and using it as an iBeacon. I want to send some custom data apart from UUID,major,minor in the packet. How can I send it ?
As in...
When I try to set a breakpoint in eclipse by clicking on a line, gdb tells me in the eclipse "Console" window below the code: "No symbol table is loaded. Use the "file" command...
Hello,
I have three custom services. I wanted to add descriptions to the characteristics for easier testing and debug, so I used the typical method to add descriptions...
Hi I've got my nRF8001 breakout board ready I now need the SDK in order to start developing firmware code.
I don't have any registration key, how do I get hold of it? ...
Hi
I'm trying to test UART over BLE using the nRF51-DK and the sample code "ble_app_uart_s110_pca10028 (nRF51 PCA10028)" along with both the nRF UART APP for both Android...
I'm using nRF51822 SoC , is it possible to change the major value when i push the button ? I tried simple assignment but it didn't work so i ask if i have to use the function...
hi,
i have kept RAM block 0 and RAM block 1 on in OFF mode by calling "sd_power_ramon_set(0xf000f)" before entering off mode ,i saw the value of RAMON register is 0x00030003...
