• Looks like my code didnt post well, I will try again.

    bleak code

    #!/usr/bin/env python3
    
    import asyncio
    import array
    from bleak import discover
    from bleak import BleakClient
    import json
    
    [#create](https://forum.espruino.com/search/?q=%23create) dictionary for the data to be sent
    dict = {'Code': '10'}
    
    address = "D8:AB:E0:B7:F5:AE"
    UUID_NORDIC_TX = "6e400002-b5a3-f393-e0a9-e50e24dcca9e"
    UUID_NORDIC_RX = "6e400003-b5a3-f393-e0a9-e50e24dcca9e"
    
    command = "Y('+json.dumps(dict)+')\n"
    
    
    def uart_data_received(sender, data):
        print("RX> {0}".format(data))
    
    async def run():
        devices = await discover()
        for d in devices:
            print(d)
    
    print("Connecting...")
    async def run(address, loop):
        async with BleakClient(address, loop=loop) as client:
            print("Connected")
            await client.start_notify(UUID_NORDIC_RX, uart_data_received)
            print("Writing command")
            c=command
            while len(c)>0:
              await client.write_gatt_char(UUID_NORDIC_TX,bytearray((c[0:20]),'utf-8') , True)
              c = c[20:]
            print("Waiting for data")
            await asyncio.sleep(1.0, loop=loop) # wait for a response
            print("Done!")
    
    
    loop = asyncio.get_event_loop()
    loop.run_until_complete(run(address, loop))
    
    
    

    Console

    Connecting...
    Connected
    Writing command
    Waiting for data
    RX> bytearray(b'Y({"Code": "10"})\r\n')
    RX> bytearray(b'Y({"Code": "10"})\r\n')
    RX> bytearray(b'Uncaught Error: Func')
    RX> bytearray(b'Uncaught Error: Func')
    RX> bytearray(b'tion "split" not fou')
    RX> bytearray(b'tion "split" not fou')
    RX> bytearray(b'nd!\r\n at line 1 col ')
    RX> bytearray(b'nd!\r\n at line 1 col ')
    RX> bytearray(b'250\r\n...ect(c/2-b,44')
    RX> bytearray(b'250\r\n...ect(c/2-b,44')
    RX> bytearray(b',c/2+b,45)}b=e.split')
    RX> bytearray(b',c/2+b,45)}b=e.split')
    RX> bytearray(b'("\\n");var h=(f-16*b')
    RX> bytearray(b'("\\n");var h=(f-16*b')
    RX> bytearray(b'.length)...\r\n       ')
    RX> bytearray(b'.length)...\r\n       ')
    RX> bytearray(b'                    ')
    RX> bytearray(b'                    ')
    RX> bytearray(b'   ^\r\nin function ca')
    RX> bytearray(b'   ^\r\nin function ca')
    RX> bytearray(b'lled from line 1 col')
    RX> bytearray(b'lled from line 1 col')
    RX> bytearray(b' 19\r\nE.showMessage(d')
    RX> bytearray(b' 19\r\nE.showMessage(d')
    RX> bytearray(b'ict);\r\n             ')
    RX> bytearray(b'ict);\r\n             ')
    RX> bytearray(b'     ^\r\nat line 1 co')
    RX> bytearray(b'     ^\r\nat line 1 co')
    RX> bytearray(b'l 19\r\nE.showMessage(')
    RX> bytearray(b'l 19\r\nE.showMessage(')
    RX> bytearray(b'dict);\r\n            ')
    RX> bytearray(b'dict);\r\n            ')
    RX> bytearray(b'      ^\r\nin function')
    RX> bytearray(b'      ^\r\nin function')
    RX> bytearray(b' "Y" called from lin')
    RX> bytearray(b' "Y" called from lin')
    RX> bytearray(b'e 1 col 17\r\nY({"Code')
    RX> bytearray(b'e 1 col 17\r\nY({"Code')
    RX> bytearray(b'": "10"})\r\n         ')
    RX> bytearray(b'": "10"})\r\n         ')
    RX> bytearray(b'       ^\r\n>')
    RX> bytearray(b'       ^\r\n>')
    

    Code on watch

    E.showMessage("Hello Code");
    
    function Y(dict) {
      E.showMessage(dict);
      
    }
    
    
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