electronut

data = None
    while True:
        for line in scanner.get_lines():
            if line:
                found_mac = line[14:][:12]
                reversed_mac = ''.join(
                    reversed([found_mac[i:i + 2] for i in range(0, len(found_mac), 2)]))
                mac = ':'.join(a+b for a,b in zip(reversed_mac[::2], reversed_mac[1::2]))
                data = line[26:]
                if mac == deviceId and len(data) == 66:

electronut

class BLEScanner:

    hcitool = None
    hcidump = None
    
    def start(self):
        print('Start receiving broadcasts')
        DEVNULL = subprocess.DEVNULL if sys.version_info > (3, 0) else open(os.devnull, 'wb')

        subprocess.call('sudo hciconfig hci0 reset', shell = True, stdout = DEVNULL)

electronut

// one-shot flag for setting adv data
static volatile bool g_setAdvData = false;

/**@brief Function for handling the Battery measurement timer timeout.
 *
 * @details This function will be called each time the battery level measurement timer expires.
 *
 * @param[in] p_context  Pointer used for passing some arbitrary information (context) from the
 *                       app_start_timer() call to the timeout handler.
 */

electronut

"""

process_uid.py

eg.

Input: 80c4a66b-ddb7-46e3-87bc-ae7053faf6ee
Output: 0xee,0xf6,0xfa,0x53,0x70,0xae,0xbc,0x87,0xe3,0x46,0xb7,0xdd,0x6b,0xa6,0xc4,0x80

electronut.in

electronut

// set adv data
void set_adv_data(bool init)
{
  uint32_t      err_code;

  ble_advdata_t advdata;
  uint8_t       flags = BLE_GAP_ADV_FLAG_BR_EDR_NOT_SUPPORTED;

  ble_advdata_manuf_data_t        manuf_data; // Variable to hold manufacturer specific data
  // Initialize with easily identifiable data

electronut

int main(void)
{
    uint32_t err_code;

    APP_TIMER_INIT(APP_TIMER_PRESCALER, APP_TIMER_OP_QUEUE_SIZE, false);

    ble_stack_init();
    advertising_init();
    timers_init();
    advertising_start();

electronut

static void advertising_init(void)
{
    uint32_t      err_code;


    ble_gap_conn_sec_mode_t sec_mode;

    BLE_GAP_CONN_SEC_MODE_SET_OPEN(&sec_mode);

    err_code = sd_ble_gap_device_name_set(&sec_mode,

electronut

"""
    upload.py

    Uploads DFU OTA bootloader to bluey board.

    Electronut Labs
    electronut.in

"""

electronut

"""
oscillating_circle.py

A simple matplotlib animation example that shows an oscillating circle.

electronut.in

"""
import matplotlib.pyplot as plt 
import matplotlib.animation as animation

electronut

"""
ldr.py

Display analog data from Arduino using Python (matplotlib)

Author: Mahesh Venkitachalam
Website: electronut.in
"""

import sys, serial, argparse