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...
Hello,
I am using ESB protocol and there is a definition says "#define NRF_ESB_CONST_MAX_TOTAL_PACKETS 6" so how can I use maximum total packets number? I am looking higher...
How do I configure nRFgo to use the IAR I-jet rather than a segger? When I run nRFgo the nRF51 Programming tab is greyed out and it says no board connected. I presume this...
I am using SD 8.0 SDK 8.0 and MCP 3.8 I am able to find the DFUtarg service and successfully complete the transfer of my applcation (100% complete). However, upon finishing...
Hi,
I'm doing some throughput/current consumption tests with nRF51822 (on PCA10001).
My firmware has been developed starting from hrm example. I have created a custom service...
Hello,i have nrf518822 device,program the s130 (0.9 version).The centrel connect to the peripherals ,now have a problem.When pressed button1 the {event_handle(BLE_GAP_EVT_CONNECTED...
Hi everyone, I took a nrf51-ble-app-lbs-throughput-test-5.1.0 example from github.com/NordicSemiconductor; I want to send data not only with the push button but even after...
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...