ER6 Receiver User Manual
5.
1
•Size: 43*25*15mm
•Weight: 14.5g
DC 4.5 - 8.4V
20cm (High Sensitivity Antenna)
ExpressLRS 3.3.0 (pre-installed)
6CH PWM
max. 100mw (LUA Adjustable)
CRSF
DC 4.0 - 35V
•Power Supply:
•Antenna Type:
•Wireless Protocol:
•Output Channel:
•Telemetry Power:
•Bus interface:
•Telemetry Battery voltage detection range:
Recommended: ELRS Lua Calibration: Telemetry Calibration: Sensors Bind
1 5 5
2
CH1 : C H1
CH2 : C H2
CH3 : C H3
CH4 : C H4
CH5 : C H7
CH6 : C H6
BOOT
boot
ANTENNA
15mm
CH1
CH2
CH3
CH4
CH6
CH5
BATT
CH1
CH2
CH3
CH4
CH5
CH6
BATT
Battery
4.5-8.4V
43mm
25mm
2
EXT-V
Radiomaster ER6 ELRS receiver has been specially designed for
fixed-wing users. It can drive up to 6 servos and has built-in receiver
voltage telemetry and flight battery telemetry with the ability to
automatically detect which voltage input to use. A 4-wire CRSF
interface is provided to facilitate later expansion of telemetry sensors.
The ER6 features a dual-antenna with telemetry power up to 100
mw.
2. The maximum input voltage for the EXT-V (external voltage input) telemetry
reading is 35V. Do not exceed 35V or the receiver will be damaged.
3. The EXT-V of the ER6 is accessed via the EXT-V 2pin JST-GH connector.
The RED wire must be soldered to the positive of the battery or ESC. If no
EXT-V power source is found, the ER6 will default to reading the voltage
on the receiver
pins, only one voltage input can be used at the any given time.
4. Please ensure that the power supply current of the ESC BEC matches the power
consumption requirements of the servo used. If using high-voltage and
high-torque servos, it is recommended to use a 2S 7.4V battery for direct power
supply or a suitable high-current UBEC.
5. Cali bration of the telemetry voltage will be requir
ed on your radio. Navigate
to the TELEMETRY page on your radio and locate the RxBt sensor. Edit the
SENSOR settings and adjust the offset until the displayed reading matches
the actual voltage of the battery in the model. If there is a large difference,
adjustment of the ratio may also be required. *For best results calibrate the
voltage of your radio using a fully charged b
attery of the correct cell count
intended for use in the model.
6: ExpressLRS Arming requirements and the use of Channel 5. The ER4 receiver
has 4 channels and does not require any channel outputs to be re-mapped
however it is still recommended to assign Channel 5 on your radio to a switch
such as your throttle cut switch so the RF module in your radio can be armed
and disarmed
which will provide benefits such as dynamic power. Please visit
https://www.expresslrs.org/ to learn more on the importance of setting up arming.
SPECIFICATIONS
FIRMWARE
Device Category: Radiomaster 2.4Ghz | Device: RadioMaster ER6
PASSPHRASE BINDING
1. OPEN the ExpressLRS LUA and navigate to the Wifi Connectivity page. Select the
Enable WIFI option and connect to your radios wifi with a mobile phone, tablet or PC
(See TX WIFI info above). OPEN
the ExpressLRS web page at (http://10.0.0.1/)
and choose a unique bind phrase. Save and Reboot.
2. Power ON the receiver and wait 60 seconds for the LED to blink rapidly to indicate
WIFI mode. Connect your phone, tablet or PC to the receivers WIFI (See RX WIFI
info above). OPEN the ExpressLRS web page at (http://10.0.0.1/) and enter the
matching bind phrase previously entered on yo
ur radio. Save and Reboot. Once both
radio and receiver have the same bind phrase set they will automatically bind.
TRADITIONAL BINDING
1. The first time you power on your receiver, the LED is doing a quick double blink,
which indicates the receiver is in bind mode. If this is not the case, hold down the boot
button for 10 seconds to reset the receiver.
2. Power ON your transmitter/radio
and use the [BIND] button on the ExpressLRS Lua
script, which sends out a binding pulse.
3. If the receiver has a sol id light, it's bound!
*Note: To bind receiver a second time or to another radio, power cycle the
receiver 3 times. On the third power cycle, the LED will double blink indicating
bind mode. If you cannot successfully enter bind m
ode with the 3 power cycle
method, you can hold down the boot button for 10 seconds to reset the receiver to
bind mode or use the passphrase method. WARNING: All previous settings in the
receiver will be erased and need to be re-entered when using the reset button.
SET-UP
1. The recommended ELRS LUA settings on the remote-control end are:
Standard servos:
Packet Rat
e 100Hz Full
Telem Ratio Std (1:32)ʢ default
ʣ
Switch Mode 8ch
Performance servos:
Packet Rate 333Hz Full
Telem Ratio Std (1:128)
Switch Mode 8ch
IMPORTANT
(*Note: Bind phrases are not secret and can be read.)
TX & RX WIFI INFO
WIFI Network : ExpressLRS TX
WIFI Password: expresslrs
URL: http://10.0.0.1/ (Open in browser)
TOP
BACK
14.5
GRAMS
2.4
GHZ
+
RX TX
-
+-
Expres sLRS 2.4
(20mm)
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