Bluetooth |
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Bluetooth Button |
Product Page |
Product page |
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Platform |
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Brand • Model • Rev |
Amazon Echo Button (H5V83Y) |
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FCC ID |
UUU-4612 |
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Wireless class |
Bluetooth |
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ID:1234:???? |
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Wireless interface OUI |
none specified< |
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Expansion IF types |
none specified |
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Power |
1.5 VDC, 0.1 A |
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Flags |
Bluetooth BR/LE |
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Categorized as |
Bluetooth button |
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Additional chips Bluetooth Single Chip;Cypress;CYW20735;;1;
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Retail |
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FCC approval date |
16 October 2017 |
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Country of manuf |
China |
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Radio 1 |
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Chip1 |
Cypress CYW20735 |
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Wireless interface OUI |
none specified |
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Antenna Connector Type |
CYW20735 |
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Wireless Standard |
Bluetooth |
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Overview
Part of the Alexa Gadgets product line.
- Power: 1.5V (|| 2x AAA battery)
- FCC ID: UUU-4612 (10/16/2017)
- - Amazon Fulfillment Services
This device was under short-term confidentiality, but that expired 04/14/2018 ⚠.
Teardown
- Bluetooth SoC: Cypress CYW20735 (Broadcom BCM20735)
- Bluetooth Low Energy Single Chip
SWD header
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<small>
;SWD header
(TMF1 through TMF12 accessible through battery compartment.)
* TMF3 = BATT_VDDC (+1.5V)
* TMF1 = VCC (+3.3V)
* TMF2 = GND
* TMF7 = Button
* TMF8 = SPI_MOSI
* TMF9 = UART_TXD
* TMF10 = UART_CTS_N
* TMF11 = UART_RXD
* TMF12 = UART_RTS_N
* TMF22 = VCC/LHL VDDO
* TMF4 = ?
* TMF5 = ?
* TMF6 = ?
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J2 - UART
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'''J2 - UART''': https://www.instagram.com/p/Bpw8qF4Hboy/
°
VCC © © CTS_N
TXD © © RXD
GND © © RTS_N
° °
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RGB-LED
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*[https://www.mikrocontroller.net/topic/462737#5621232 ''Amazon Echo Button'' on '''Mikrocontroller''' forums]
:RGB-LED: P29 (blue), P28 (green), P27 (red)
[P7] [Vcc] [P11] (Button)
J3 [P32] J1 [P10] [GND]
:J1 - Vcc/P10/P11/GND
:J2 - UART (6-pad header)
:J3 - P7/P32
:J4 - +BATT (+1.5V)
:J5 - -BATT (GND)
:J6 - Button
:J7 - Button
:J8 - Button
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Linux (BlueZ 4.101)
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'''Linux (BlueZ 4.101)''':
<small>
$ sudo hcitool info xx:xx:xx:xx:xx:xx
Requesting information ...
BD Address: xx:xx:xx:xx:xx:xx
Device Name: EchoBtn2V8
LMP Version: (0x8) LMP Subversion: 0x4118
Manufacturer: not assigned (305)
Features page 0: 0xbf 0x06 0x46 0x78 0x58 0x1e 0x5b 0x87
<3-slot packets> <5-slot packets> <encryption> <slot offset>
<timing accuracy> <role switch> <sniff mode> <RSSI>
<channel quality> <paging scheme> <power control>
<enhanced iscan> <interlaced iscan> <interlaced pscan>
<inquiry with RSSI> <AFH cap. slave> <AFH class. slave>
<LE support> <sniff subrating> <pause encryption>
<AFH cap. master> <AFH class. master> <extended inquiry>
<LE and BR/EDR> <simple pairing> <encapsulated PDU>
<non-flush flag> <LSTO> <inquiry TX power> <EPC>
<extended features>
Features page 1: 0x0f 0x00 0x00 0x00 0x00 0x00 0x00 0x00
Features page 2: 0x40 0x18 0x09 0x00 0x14 0x12 0x09 0x00
</small>
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Bluetooth serial port
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*[https://medium.com/@decrocksam/amazon-echo-buttons-teardown-9f066a84f156 ''Amazon Echo Button Teardown'' on '''Medium''']
;Communications
Bluetooth serial port.
Message format (from Button)
Initial connection - 86 bytes.
Offset 8 [16 bytes, ASCII]: Button identifier string (printed on bottom of button).
Button event - 40 bytes.
Offset 8 [16 bytes, ASCII]: Button identifier string (printed on bottom of button).
Offset 39: Button state. 0xC0 - press. 0xC1 - release
</small>
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