Sonoff RE5V1C User guide
RE5V1C Application Guide
Version 1.0
Copyright© 2018
About This Manual
This manual introduces the application guide and product parameters
of the RE5V1C, containing the following chapters.
Chapter
Title
Content
Chapter 1
Product brief
introduction
Overview of the features and
applications of RE5V1C
Chapter 2
Electrical
characteristics
Introduce the basic parameters,
PIN definitions, and wiring
methods.
Chapter 3
Radio
frequency index
Introduce the radio frequency
index of the module
Chapter 4
Function
description
Describe module functions and
specific instructions
Chapter 5
Dimensions
Provide module size diagram
1. Product Introduction
RE5V1C is a single-channel switch based on ESP8285 Wi-Fi SOC. It does
not require other peripheral circuits, and the module can work normally
after power supply. It can be connected to a Wi-Fi wireless network for
Internet or LAN communication to achieve remote control. It is designed
for mobile devices and Internet of Things applications.
Product Features:
5V DC power supply, maximum working current 250mA
Support wireless 802.11 b/g/n standard
Wi-Fi @2.4 GHz, support WPA/WPA2 security mode
+20.5dBm maximum output power in 802.11b mode
Support device button control
Support timer schedule
Support Wi-Fi remote control
APP supports Android & iOS
Main application areas: occasions where remote control switches are
required
2. Electrical Characteristics
2.1 Rated parameters
Conditions: VDD=3.3V±10% , GND=0V; test at room temperature 25°C.
Parameters
Minimum
Typical
value
Max
Unit
Voltage
4.75
5
7
V
Working current
-
80
250
mA
Load
-
-
10
A
2.2 Wi-Fi parameters
Type
Parameters
Wireless standard
IEEE 802.11b/g/n
Main chip
ESP8285
Frequency range
2.412GHz-2.484GHz
Transmit power
802.11b: 20±2dBm (@11Mbps)
802.11g: 17±2dBm (@54Mbps)
802.11n: 14±2dBm (@HT20, MCS7)
Receiving sensitivity
802.11b: -91 dBm (@11 Mbps, CCK)
802.11g: -75 dBm (@54Mbps, OFDM)
802.11n: -72 dBm (MCS7)
Antenna type
2.4GHz ceramic antenna
2.3 Interface definition
Pin
Name
Features
1
5V DC
DC power supply positive
2
GND
DC power supply negative
3
OUT
Output load
4
L
AC L end interface
Interface definition diagram:
2.4 Wiring
DC (DC5V/500mA) power supply:
Load:
3. Radio Frequency Index
Conditions: VDD=3.3V±10% , GND=0V ; test at room temperature 25°C.
Description
Minimum
Typical
value
Max
Unit
Input frequency
2412
-
2484
MHz
Output impedance
-
50
-
Ω
Solid wave loss
-
-
-10
dB
PA output peak value
power when at 72.2Mbps
15.5
16.5
17.5
dBm
PA output peak value power in
802.11b mode
19.5
20.5
21.5
dBm
Sensitivity:
Description
Minimum
Typical
value
Max
Unit mA
CCK 1Mbps
-98
dBm
CCK 11Mbps
-91
dBm
6Mbps(1/2BPSK)
-93
dBm
54Mbps (3/4 64-QAM)
-75
dBm
HT20, MCS7 (65Mbps,
72.2Mbps)
-72
dBm
Adjacent frequency suppression
Description
Minimum
Typical
value
Max
Unit mA
OFDM, 6Mbps
37
dB
OFDM, 54Mbps
21
dB
HT20, MCS0
37
dB
HT20, MCS7
20
dB
Note:
1. 72.2Mbps is measured in the 802.11n mode, the MCS =7, the GI = 200uS.
2. Up to + 21.5dBm output power in 802.11b mode.
4. Function Description
4.1. Module function
RE5V1C module can be used as a single-channel switch, which can
control the switch locally or remotely through APP.
The following is the function description:
1. Pairing method: quick pairing mode / compatible pairing mode.
Press and hold the button for more than 5s to enter the quick
pairing mode. When it is in the quick pairing mode, press
the button for more than 5s again to enter the compatible pairing
mode. APP can be configured in both modes.
2. Switch:
a) In the normal state: click the button to control the relay on and
off. The red light is on, the relay is on, otherwise the relay is off.
b) In the pairing mode: click the button to exit the pairing mode.
3. Timer: including single, count down, repeat, and loop timer.
4. Power-on status configuration: The power-on switch status can
be configured on or off through the APP, and the default power-on
status is off.
4.2. Wi-Fi status indicator light description
The flashing mode of the Wi-Fi status light (yellow & green) on
the device represents the its current network working status. The specific
status includes the following seven types:
The flashing of the Wi-Fi status light is in a cycle of 2 seconds, as shown
in the figure, the low-level light is on and the high-level light is
off. Detailed explanation of each status:
A. Normal: The device is working normally and the connection to the
cloud server is normal. The device can be only controlled through
the APP in this mode.
B. NO Wi-Fi: The device cannot connect to the router.
C. No Server: The device has been connected to the router, but it cannot
connect to the server (also known as "cannot access the Internet").
D. Unregistered: The device has not been bound to account. The device
needs to be bound to the eWeLink account to connect to the cloud
server. You can bind the device by tap “Add Device” in the eWeLink
APP.
E. Upgrade: Indicates that the device is upgrading the firmware.
F. Setting G1: Indicates that the device is in compatible pairing
mode. The device obtains the necessary information provided by the
APP to join the service network, including router SSID, password, server
IP, port number, etc in the setting mode.
G. Setting G2: Indicates that the device is in quick pairing mode. The
device obtains the necessary information provided by the APP to join
the service network, including router SSID, password, server IP, port
number, etc in the setting mode.
The device obtains information in different ways in the two modes,
read below section for details.
4.3 The Wi-Fi module basic workflow
1. Configuration
a) Compatible pairing mode: The mobile terminal joins the device
AP as a station to form a local area network to realize data
interaction. When the device is in the quick pairing mode (G state,
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