4. Open the BLHELISUITE, Select SILABS BLHeli Bootloader (Cleanflight) from the third tab on
the top side. Then Select the right Serial com port and Click connect. You can also Flash the
new release BLHeli_s firmware via the BLHEILISUITE, the firmware Target is “F-H-40”
Flight controller firmware update
1. Install latest STM32 Virtual COM Port Driver
http://www.st.com/web/en/catalog/tools/PF257938
2. Install STM BOOTLOAD Driver (STM Device in DFU MODE)
3. Open Betaflight configurator and choose firmware target “CrazybeeF4DX”,then select the
firmware version.
4. There are 2 ways to get in DFU Mode: 1). solder the boot pad and then plug USB to computer 2).
loading betaflight firmware and hit “flash”, then it will getting into DFU Mode automatically.
5. Open Zadig tools to replace the drivers from STM32 Bootloader to WINUSB Driver.
6. Reconnect the flight controller to the computer after replace driver done , and open
Betaflight Configurator, loading firmware and flash.
Firmware target
Flash firmware
Click check to see the
details of the 4in1 ESC
Happymodel Larva X
100mm 2
-
3s racer drone DSM2
/
DSMX
version
Firmware update
Mixer type and ESC/motor protocol
VTX Bands and Channels setup
Frequency
and
channel
frequency
table
CH
FR
Band1
(
A
)
Band2
(
B
)
Band3
(
E
)
Band4
(
F
)
Band5
(
R
)
CH1
5865M
5733M
5705M
5740M
5658M
CH2
5845M
5752M
5685M
5760M
5695M
CH3
5825M
5771M
5665M
5780M
5732M
CH4
5805M
5790M
5665M
5800M
5769M
CH5
5785M
5809M
5885M
5820M
5806M
CH6
5765M
5828M
5905M
5840M
5843M
CH7
5745M
5847M
5905M
5860M
5880M
CH8
5725M
5866M
5905M
5880M
5917M
LED5
LED8
5917MHZ BAND5
CH8
Fix the CW propeller onto the M1
and M4 motor (CW motors)
Fix the CCW propellers onto the M2
and M3 motor (CCW motors)
Props IN
Step
1
,
Download
the
latest
firmware
from
www
.
happymodel
.
cn
,
extract
the
CRESFW
.
BIN
to
an
empty
TF
-
SD
card
Step
2
,
Put
the
TF
-
SD
card
into
Diamond
VTX
,
and
power
on
for
it
,
the
red
LED
will
starting
to
flashing
,
Then
waiting
to
the
red
LED
turn
off
,
this
indicates
firmware
upgrading
successfully
Step
3
,
Important
!!!
You
must
power
off
.
the
Diamond
VTX
immediately
once
the
red
LED
turn
off
.
Don
'
t
turn
off
the
power
during
firmware
upgrading
,
And
remember
to
remove
the
CRESFW
.
BIN
firmware
from
TF
-
SD
card
after
upgrading
.
DVR
firmware
update
The
DVR
will
recording
automatically
when
power
on
.
Press
the
start
/
stop
to
start
or
stop
recording
.
VTX
power
set
Go
to
Betaflight
configurator
CLI
tab
,
type
"
set
vtx
_
power
=
1
"
to
choose
25mw
,"
set
vtx
_
power
=
2
"
to
choose
100mw
,"
set
vtx
_
power
=
3
"
to
choose
200mw
,
need
to
type
"
save
"
*
NOTES
:
Default
VTX
setting
is
200mw
but
the
VTX
power
LED
indicate
will
always
show
25mw
when
the
quad
was
disarmed
,
because
we
have
"
set
VTX
_
low
_
power
_
disarm
=
on
"
There
are
3
ways
to
switch
the
vtx
channels
:
1
.
Short press the switch button
to
choose
the
VTX
channel
,
Press
and
hold
the
butoon
for
2
seconds
and
release
to
choose
the
VTX
band
(
Can
'
t
save
,
it
will
lost
the
channel
while
power
off
)
2
.
If
we
need
to
use
Channel
5705
then
we
should
Go
to
Betaflight
CLI
,
type
the
command
:
Set
VTX
_
band
=
3
Set
VTX
_
channel
=
1
save
3
.
Enable
Smaraudio
for
UART2
,
then
move
the
stick
of
the
transmitter
(
THR
MID
+
YAW
LEFT
+
PITCH
UP
)
to
enter
OSD
Menu
,
Enter
to
Features
,
then
enter
to
VTX
SA
to
set
VTX
Band
and
channel
Green
Green
1. Download New release Blhelisuite from:
https://www.mediafire.com/folder/dx6kfaasyo24l/BLHeliSuite
2. Plug the usb and connect the flight controller to computer
ESC Check and Flash firmware
Default PID setting
3. Open the Device Manager of your computer, find the Ports, please make sure the Com port
Serial Number is under 255, otherwise it will can't connect to the BLHELISUITE. You can change
the port serial number like the bellowing step :
