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Matek ExpressLRS Receivers and CRSF to PWM boards

montis — Tue, 28 Sep 2021 23:02:46 +0000

Matek?(Matek?Systems?or MatekSys) stepped into ExpressLRS train. Matek released two ExpressLRS receivers – ELRS-R24-D and ELRS-R24-S.?Matek?has a?record of the reputable manufacturer, so the quality of their products should be high.

The first Matek ELRS-R24-D?ExpressLRS receiver has diversity antennas (antenna switching diversity) and the most powerful PA/LNA on the ELRS receivers so far and is?capable of outputting the 22.5dBm (~180mW) of the telemetry power. The weight of the receiver with two dipole antennas is 3 grams.

The second?Matek ELRS-R24-S?ExpressLRS receiver has SMD ceramic antenna

Release date:? Mid October

Prices: ELRS-R24-S – MSRP $17.99??ELRS-R24-D?– MSRP $19.99

ELRS-R24-D ?https://www.banggood.com/MATEKSYS-ELRS-R24-D-2_4GHz-ExpressLRS-ELRS-Diversity-Receiver-…-1900904.html

ELRS-R24-D (diversity antenna) Specifications:

ESP8285, SX1280IMLTRT
PA/LNA: SE2431L
Antenna connector: IPEX MHF 1
RF Frequency: 2.4GHz ISM
Telemetry power: 22.5dbm (177mW)
Diversity: antenna-switching, default ANT2
Receiver protocol: CRSF
Input voltage: 4~9V DC @ 5V pad
Power dissipation:? 40~45mA(before binding), 70~75mA(binding), 90~95mA(wifi mode)
PCB size: 21mm x 15mm
Weight: 3g w/ 2x antennas
Packing: 1x ELRS-R24-D,? ?2x IPEX MHF1 Antennas

Firmware

ExpressLRS MATEK_2400_RX
ELRS-R24-D:? enable “USE_DIVERSITY” (checked) when flashing in ExpressLRS configurator

ELRS-R24-S?https://www.banggood.com/MATEKSYS-ELRS-R24-S-2_4GHz-ExpressLRS-ELRS-Receiver-…-1900905.html

ELRS-R24-S (SMD antenna) Specifications:

ESP8285, SX1280IMLTRT
PA/LNA: AT2401C
molex 479480001 SMT antenna
RF Frequency: 2.4GHz ISM
Telemetry power: 20dbm (100mW)
Receiver protocol: CRSF
Input voltage: 4~9V DC @ 5V pad
Power dissipation:? 40~45mA(before binding), 60~65mA(binding), 90~95mA(wifi mode)
PCB size: 21mm x 15mm
Weight: 1.2g
Packing: 1x ELRS-R24-S

Firmware

ExpressLRS MATEK_2400_RX
ELRS-R24-S:? disable “USE_DIVERSITY” (unchecked) when flashing in ExpressLRS configurator

Matek also released industry first CRSF to PWM (Crossfire to Servo) protocol converter adapter boards.

Matek CRSF-PWM-6 has 6 PWM servo outputs. Has integrated voltage sensor and external current sensor can be connected. PWM output frequency can be adjusted for faster servos (50Hz default, 100, 160, 330, 400Hz).

CRSF-PWM Converter, CRSF-PWM-6 specifications:

Compatible with CRSF protocol receiver only
6x PWM outputs
PWM frequency configurable (50Hz default, 100,160,330, 400Hz)
2x UARTs (for Receiver and GPS)
Telemetry ID: RxBt, Curr, Capa, Bat%, GPS, GSpd, Hdg, Alt, Sats
36V Max. battery voltage sense (1K:10K voltage divider built-in)
Compatible with external Current sensor (0~3.3V)
Vbat and Current sensor scale configurable
Failsafe value auto set
Firmware upgradeable
Rated voltage: 4~9V @5V pad, 0~36V @Vbat, 0~3.3V @Curr
No 5V regulator built-in
25mm x 16mm, 1.3g
Packing: 1x CRSF-PWM-6, Dupont 2.54 pins

Matek CRSF-PWM-C converter board has 10 PWM servo outputs. Has?built-in 90A continuous current sensor.

CRSF-PWM Converter, CRSF-PWM-C specifications:

Compatible with CRSF protocol receiver only
10x PWM outputs
PWM frequency configurable (50Hz default, 100,160,330, 400Hz)
2x UARTs (for Receiver and GPS)
Telemetry ID: RxBt, Curr, Capa, Bat%, GPS, GSpd, Hdg, Alt, Sats
36V Max. battery voltage sense (1K:10K voltage divider built-in)
Current sensor built-in (90A continuous /220A Peak),? current scale = 150 by default
Vbat and Current sensor scale configurable
Failsafe value auto set
Firmware upgradeable
Rated voltage: 4~9V @5V pad, 0~36V @BAT+
No 5V regulator built-in
26mm x 26mm, 2.8g
Packing: 1x CRSF-PWM-C,? 1x low ESR capacitor,? Dupont 2.54 pins

Pinouts and Pads

Tx1/Rx1(UART1) for CRSF protocol Receiver
Tx2/Rx2(UART2) for GPS/firmware update/setting parameters
1~10: CH1~CH10 PWM outputs
Curr: current sensor signal (0~3.3V)
Vbat: Battery voltage sensing (0~36V)
G: ground
4v5 pad voltage = 5V pad voltage -0.3V,? make sure the voltage on 5V pad is not higher than receiver and GPS rated voltage.

Failsafe

Failsafe value is set automatically after CRSF-PWM board is powered on and receive CRSF signal. LED blinks 8 times quickly.
Failsafe value = The PWM value of each channel(except CH3) when CRSF signal is received by CRSF-PWM board for the first time
CH3 is specially arranged for the throttle,? Failsafe value = 988 by default.
Usually put the Throttle? joystick to the lowest point,? put AIL(Roll), ELE(Pitch), RUD(Yaw) middle before powering on receiver.

LED status

slow blinks: CRSF-PWM board doesn’t receive CRSF signal, e.g., receiver is not bound with transmitter, receiver is not connected to UART1 of CRSF-PWM board.
8x quick blinks: CRSF-PWM board received CRSF signal and failsafe value is saved.
solid ON:? CRSF-PWM board and receiver are working normally
2x slow blinks between 8x fast blink and solid on: CLI mode is active

GPS telemetry

Compatible with GPS NMEA protocol
GPS “TX” to CRSF-PWM board “RX” Single wire half duplex UART connection,? ?CRSF-PWM board “TX” to GPS “RX” is not essential.
Support GPS Telemetry ID: GPS, GSpd, Hdg, Alt, Sats
u-blox series GPS can output “0+1 – UBX+NMEA” protocol by default
Sensors(GPS, GSpd, Hdg, Alt, Sats) will blink in Transmitter TELEMETRY tab once CRSF-PWM board has connection with GPS.
Troubleshooting for no GPS telemetry,? double check the wiring between GPS and CRSF-PWM board,? some u-blox GPS may don’t output NMEA protcol, you need to be reverted GPS to default configuration in u-center.

TIM & PWM Frequency

PWM frequency on all 10x Channels can be configured according to TIM
PWM run at 50Hz by default
TIM2:? CH1, CH2, CH4
TIM16: CH3
TIM3:? CH5, CH6, CH7, CH8
TIM1:? CH9, CH10

CLI mode

If CRSF-PWM board doesn’t detect GPS connected to UART2 within 10 seconds after powering on,? CLI mode will active.
After CLI mode is active, CRSF-PWM board can be connected to configurator via USB-TTL module/FC passthrough.
in CLI mode, CRSF-PWM board firmware can be updated
CLI mode has no effect to receiver CRSF signal and PWM outputs

Matek CRSF to PWM converter CRSF-PWM-C connection diagram:

SerialShot – new protocol for ESC

montis — Mon, 30 Dec 2019 15:04:10 +0000

Matek has developed new ESC protocol – SerialShot. The idea is to use bidirectional UART to communicate with the microcontroller on the ESC. This enables to communicate with the ESC and have a telemetry readouts by using only two wires (RX, TX) for all the 4 ESC’s. This should simplify the wiring of the 4in1 ESC to Flight Controller. Another advantage of the SerialShot is that it enables to use only one MCU for driving all 4 ESCs while usually every motor ESC has separate MCU and separate signal wire.

SerialShot will simplify the 4in1 ESC design and probably make them cheaper to manufacture. It is not known if this protocol can be used for the separate ESC’s or if it can only be used for 4in1 ESC.

Matek has also posted a teaser photo of their first 4in1 ESC with only one F4 MCU that drives all 4 motors by using SerialShot.

Here is the demonstration of the new Matek 4in1 ESC working on SerialShot.

Update 2019-12-30: Matek has not abandoned this project, but in fact there is major progress in it – Serial Shot 4in1 ESC main MCU has been upgraded to the F7 (F722) and some prototypes have been manufactured. See the latest photo.

Source: Instagram, Facebook

History:
2019-03-07 First news about the SerialShot
2019-12-30 Updates from Matek

Matek F722-SE FC – dual gyros, dual camera control

montis — Wed, 14 Nov 2018 09:20:51 +0000

Matek is innovating again. This time it came with F722-SE flight controller powered with F7 MCU and featuring dual MPU6000 & ICM20602 gyros that are connected via fast SPI bus, BMP280 Barometer, OSD, 5x Uarts, 8 PWM/Dshot/Proshot/Oneshot outputs, I2C port, 4xRX6 pads for ESC telemetry, solder pads in the corners for individual ESC’s and separate solder pads for 4-in-1 ESCs , voltage and current sensors.

The main innovative feature of this Flight Controller is switchable Dual Camera video inputs, controlable via AUX channel. FC also has filtered Vbat power output for VTX that can also be switched on-off via AUX channel.

Both gyros cannot be used simultaneously – user must select one gyro to use in the Betaflight CLI.

Available @

Banggood: https://www.banggood.com/Matek-System-F722-SE-F7-Dual-Gryo-Flight-Controller-w-OSD-BEC-Current-Sensor-Black-Box-for-RC-Drone-p-1379603.html

Matek: http://www.mateksys.com/?portfolio=f722-se

Matek F722-SE User Manual: http://www.mateksys.com/downloads/F722-SE_Manual.pdf

Matek F722-SE Firmwares: http://www.mateksys.com/?p=5159#tab-id-7

Specification:
Name: Matek System F722-SE
Item: F7 Dual Gyro / ACC Flight Controller Board
MCU: STM32F722RET6 216MHz
IMU: MPU6000 & ICM20602, Dual Gyros built-in (SPI)
Baro: BMP280 (I2C)
OSD: AT7456E (SPI)
Blackbox: MicroSD card slot (SPI)
Firmware target: MATEKF722SE
Size: 36x46mm
Mounting Hole: 30.5×30.5mm
Weight: 10g

PDB Specifications
Input: 6~36V (3~8S LiPo) w/TVS protection
PDB: 4x35A (Max.4x46A)
BEC: 5V 2A cont. (Max.3A)
LDO 3.3V: Max.200mA
Current Sensor 184A (Scale 179)
Battery Voltage Sensor: 1:10 (Scale 110)

Features:
5x UART (1,2,3,4,6) with build-in inversion
1x Softserial supported
8x Dshot/Proshot/oneshot outputs
1x I2C
4x RX6 pads (one per cornet) for BLheli32 ESC telemetry
4x individual ESC power/signal pads
1x Group of G/S1/S2/S3/S4 pads for 4in1 ESC Signal/GND
3x LEDs for FC STATUS (Blue, Green) and 3.3V indicator(Red)
– Vbat filtered output power for VTX, Switchable via AUX (modes tab-user1)
– Dual Camera image switchable via AUX (modes tab-user2)
Camera control: Yes
Smartaudio & Tramp VTX protocol: Yes
WS2812 Led Strip : Yes
Beeper : Yes
RSSI: Yes
Additional ADC for INAV analog airspeed

Package Included:
1x F722-SE F7 Flight Controller
1x FR4 PCB Plate 36*36*1mm
1x Rubycon ZLH 35V/470uF (Low ESR)

Mateksys F405-WING

montis — Tue, 17 Apr 2018 00:39:52 +0000

Matek has released another Flight Controller – F405-WING. This time it is designed specially for fixed wing. It is hard to list all the features and connections of this FC. Some of the highlights: 168MHz F405 MCU, OSD, 6x hardware UARTs, 2x Motor and 7x Servo outputs, BMP280 (I2C) baro on board, PDB with current, voltage sensors, 5V, 9V and 12V BEC, also 6V or 7.2V selectable via jumper, +5V supports 6A of current.

You can connect the number of the peripherals to this FC: Receiver, ESC’s, Servos, Camera, Buzzer, 2812 LED_Strip, Buzzer, GPS module, AirSpeed…

Listed:

@ Banggood: https://www.banggood.com/Matek-Systems-F405-WING-New-STM32F405-Flight-Controller-Built-in-OSD-for-RC-Drone-p-1292190.html

@ GetFPV: https://www.getfpv.com/matek-f405-wing-flight-controller.html

FC Specifications

MCU: 168MHz STM32F405
IMU: MPU6000 accelerometer/gyro (SPI)
Baro: BMP280 (I2C)
OSD: INAV OSD w/ AT7456E chip
Blackbox: MicroSD card slot (SD/SDHC)
VCP & 6x UARTs
2x Motor, 7x Servo outputs
2x I2C
3x LEDs for FC STATUS (Blue, Red) and 3.3V indicator(Red)
Built in inverter for SBUS input (UART2-RX)
PPM/UART Shared: UART2-RX
SoftSerial on TX2 pad
Battery Voltage Sensor: 1:10 (Scale 1100)
WS2812 Led Strip : Yes
Beeper : Yes
RSSI: Yes

FC Firmware

INAV Flight
Target: MATEKF405SE

PDB

Input voltage range: 9~30V (3~6S LiPo) w/TVS protection
2x ESC power pads
Current Sensor: 104A, 3.3V ADC, Scale 317

BEC 5V output

Designed for Flight controller, Receiver, OSD, Camera, Buzzer, 2812 LED_Strip, Buzzer, GPS module, AirSpeed
Continuous current: 2 Amps, Max.3A

BEC 9V /12V output

Designed for Video Transmitter, Camera, Gimbal ect.
Continuous current: 2 Amps, Max.3A
12V option with Jumper pad

BEC Vx output

Designed for Servos
Voltage adjustable, 5V Default, 6V or 7.2V via jumper
Continuous current: 5 Amps, Max.6A
Output Ripple: 50mV (VIn=24V, VOut=5V@5A load)

BEC 3.3V output

Designed for Baro / Compass module and Spektrum RX
Linear Regulator
Continuous current: 500mA

Physical

Mounting: 30.5 x 30.5mm, Φ4mm with Grommets Φ3mm
Dimensions: 56 x 36 x 13 mm
Weight: 25g

Matek FC F411-ONE with FrSky receiver

montis — Thu, 04 Jan 2018 00:55:11 +0000

A photo was leaked on something new that Matek is working now. Details unknown, but it looks like AIO FC with receiver on board. It has two push buttons – one for bootloader, and another probably for RX binding. Two antennas are seen on the bottom of the board with IPEX connectors. This has to be FrSky RX with diversity antennas on board!

The most important point this is the first FC that works with RX via fast SPI protocol! No PPM, no SBUS, not even FPort, just plain RX control directly from MCU.

This is how full Matek stack looks like: AIO FC, OSD, FrSky RX, PDB, VTX:

Update 2018-10-02: Seems there are issues and problems with this FC and D16 receiver mode. Users get some failsafes and twithches in the flight. So far it is recommended to use D8 receiver mode. Read more about it here: http://www.mateksys.com/?portfolio=f411-one#tab-id-5 and here: https://github.com/betaflight/betaflight/issues/5576.

Created: 2018-05-02
Updated 2018-10-02: Warning about the issues on D16 mode.

Matek FCHUB-W – PDB for fixed wing

montis — Thu, 28 Dec 2017 08:30:38 +0000

Matek announced the newest product of their PDB line – FCHUB-W. This PDB is designed for fixed wings (hence the letter “W” in the naming of the PDB). It is connected to the Matek Flight Controller by means of the flat ribbon cable that transfers all the needed signals to the PDB. There are 4 servo powered outputs that can be broken into servo headers. This simplyfies the wiring greatly. PDB also has current sensor, 5V, 10V and even 3.3V BEC’s, RX and TX connections (UART5) for GPS or other peripherals.

Well, it is not exactly multirotor stuff, but still interesting product. The first PDB for planes ever. As long as I know.

This is only an announcement of the upcomming product. More info will be available later.

Update 2018-02-08: More specifications and photos are available.

Listed @ Banggood: https://www.banggood.com/Matek-FCHUB-W-PDB-3-6S-…-1261371.html

Specification (user manual):

Input voltage range: 9~30V (3~6S LiPo) w/TVS protection
Current Senor: 104A, 3.3V ADC, Scale 317

Mounting: 30.5 x 30.5mm, Φ3mm

Dimensions: 52 x 36 x 6 mm

Weight: 13g

2x ESC power pads

4x BEC on board

3x LED indicators for 5V, 10V & Vx

Soldering Holes & Pads:

+ & – : Bettery & ESC power pads

Curr: Current sensor output

Vbat: Bettery voltage

G: Ground

3V3: LDO 3.3V

5V: BEC 5V

10V: BEC 10V

Vx: BEC 5V/6V/7.2V ADJ

FFC connection:

Compatible with MATEKSYS FC F405-STD, F722-STD, F405-OSD

MT1: Motor1 of INAV Flying Wing & Airplane

MT2: Motor2 of INAV Flying Wing & Airplane

SV3~SV6: Servo 3~6 of INAV Flying Wing & Airplane

VTX: Video Transmitter signal

TX5 & RX5: UART5 of F405-STD/F722-STD/F405-OSD

BEC 5V output:

Designed for Flight controller, Receiver, OSD, Camera, Buzzer, 2812 LED_Strip, GPS module

DC/DC synchronous buck regulator

Voltage: 5.0 +/- 0.1VDC

Continuous current: 2 Amps, Max.3A

Output Ripple: 20mV (VIn=24V, VOut=5V@2A load)

Short-circuit tolerant (2 seconds)

BEC 10V output:

Designed for Video Transmitter, Gimble

DC/DC synchronous buck regulator

Voltage: 10.0 +/- 0.2VDC (Input voltage >11V)

Continuous current: 2 Amps, Max.3A

Output Ripple: 20mV (VIn=24V, VOut=10V@2A load)

Short-circuit tolerant (2 seconds)

BEC Vx output:

Designed for Servos

DC/DC synchronous buck regulator

Voltage adjustable, 5V Default, 6V or 7.2V via jumper

Continuous current: 5 Amps, Max.5.5A

Output Ripple: 50mV (VIn=24V, VOut=5V@5A load)

Short-circuit tolerant (2 seconds)

BEC 3.3V output

Designed for Baro / Compass module and Spektrum RX

Linear Regulator

Continuous current: 500mA

Last article update: 2018-02-08

Matek F405-CTR – a remake of F405-AIO

montis — Mon, 11 Dec 2017 12:16:20 +0000

Mateksys is baking new flight controllers as cakes. This time it is F405-CTR – a remake of the the first Matek AIO flight controller F405-AIO. The main MCU is the same, STM32F405, it also has OSD, current sensor, microSd card slot, 5V BEC, but a lot of things was changed. New F405-CTR now has MPU6000 (working in SPI mode, 8Khz loop time) instead of the IMU20602, that was extremely sensitive and causing problems in some setups. BMP280 barometer was added. 6 PWM/DShot outputs, VCP and 5 UARTS are available on this board. There are I2C pads for external sensors and DAC pad for FPV camera settings control. Every ESC has its own + and – pads on the each corner as well as signal and RX5 pads for ESC telemetry.

The Matek F405-CTR comes with integrated silicone grommets for dampening like in the all of the latest Matek boards.

Can be purchased @ Banggood: https://www.banggood.com/Matek-Systems-BetaFlight-F405-AIO-Flight-Controller-…p-1165338.html

FC Specifications

MCU: 168MHz STM32F405
IMU: MPU6000 accelerometer / gyro (SPI)
Baro: BMP280 (I2C)
OSD: BetaFlight OSD w / AT7456E chip
Blackbox: MicroSD card slot (SD / SDHC)
VCP, UART1, UART2, UART3, UART4, UART5
Built in inverter for SBUS input (UART2-RX)
PPM / UART Shared: UART2-RX
SoftSerial on TX2, S5 or S6 optional
Camera control on S6 or DAC optional
Smartaudio & Tramp VTX protocol supported
WS2812 Led Strip: Yes
Beeper: Yes
RSSI: Yes

Matek F405-MINI FC and FCHUB-A5 PDB

montis — Wed, 18 Oct 2017 09:24:19 +0000

Mateksys released their new mini size flight controller F405-MINI and a dedicated PDB FCHUB-A5. Flight controller?mounting size is?20x20mm while PDB has holes for 20x20mm and 30.5×30.5mm, therefore it is bigger. FC has F405 MCU and fast?ICM-20602 gyro, capable to run on 32kHz. FC has pads broken out for smart audio and camera control. Board has rubber grommets installed for soft mountig with 3mm and 2mm screws (with supplied adapters). Flight controller FC405-MINI can be connected with FCHUB-A5 via flat ribbon cable, thus minimizing the cable quantint and simplyfying the build process. FCHUB-A5 is capable to supply 4x35A (4x46A burst) max current to ESC’s. PDB has 5V 2A BEC and 184A current sensor. This PDB was designed to be ready for BLHeli_32 ESC’s with telemetry – there are additional Telemetry pads (marked as ESC TLM).

Great combo for mini brushless builds.

Listed @ Banggood:?https://www.banggood.com/Matek-Systems-F4-F405-Mini-Flight-Controller-Integrated-OSD-32K-Gyro-32M-Flash-20x20mm-p-1214331.html

Description:

Item name: F405 Mini Flight Controller

MCU: 168MHz STM32F405

IMU: 32K ICM20602 accelerometer/gyro (SPI)

Support 32K Gyro update & 16K PID Loop

OSD: BetaFlight OSD w/ AT7456E chip

Blackbox: 32M(256) Flash

VCP, UART1, UART2, UART3, UART4, UART5

Built in inverter for SBUS input (UART2-RX)

PPM/UART Shared: UART2-RX

SoftSerial & Camera control supported on S5 & S6

Battery Voltage Sensor: 1:10

Current Sensor: No (FCHUB-A5 option)

BEC 5V: No (FCHUB-A5 option)

LDO 3.3V: Max.300mA for Spektrum RX

I2C1 SDA & SCL available

WS2812 Led Strip : Yes

Beeper : Yes

RSSI: Yes

2x LEDs for FC STATUS (Blue, Red)

6x PWM / DShot outputs without conflict

5x UARTs

1x 14pin top mounted FFC Slot for FCHUB-A5 connection

28x28mm PCB with 20mm mounting holes

w/ 6x silicon grommets M4 to M3

w/ 6x brass grommets M3 to M2

w/ 2x 0.5mm*14Pin 3cm Flexible Flat Cable

MatekF405 Target

Firmware based on OpenSource BetaFlight

Matek FCHUB-VTX – PDB and VTX in one

montis — Mon, 18 Sep 2017 08:47:53 +0000

Matek has released their most advanced and most anticipated PDB – FCHUB-VTX. Now they have integrated PDB, Current sensor and video transmitter in one board! Matek FCHUB-VTX is perfect match and should be used together with Matek F405-OSD FC. FCHUB-VTX connects with F405-OSD flight controller by flat ribbon cable, thus allowing to make a very clean build. Matek FCHUB-VTX can be conrolled by Betaflight OSD or by means of Lua script directly from your transmitter. VTX has MMCX antenna connector, buttons for manual CH and Frequency control, LED’s and all other bells ant whistles you need.

Listed @ Banggood:?https://www.banggood.com/Matek-Systems-FCHUB-VTX-627V-PDB-5V1A-BEC-w-5_8G-40CH-25200500mW-Switchable-Video-Transmitter-p-1201392.html

Specifications:

Input voltage: 6~27V(2~6S LiPo)
PDB: 4*30A (4*46A, 5 seconds)
Current Sensor: 184A (Scale 179)
BEC Output: 5V/1A for Camera or FC

VTX: 40 standard 5.8G channels, A/B/E/F/R Band
VTX Output Power: 25, 200, 500mW switchable
Traditional button+LED control of frequency and power
BFCMS (BFOSD?& LUA Script)?control via FC UART _TX
Video signal & TX5 are ready on FFC?connected?with MATEK FC F405-OSD
Silicon wires connection with other brands FC
Firmware upgradeable

VTX Power Consumption: 3.1W Max. @ 500mW
Video Input Impedance: 75 Ohm
Audio Subcarrier Frequency: 6.5 MHz
RF Connector: MMCX
Video Format: NTSC/PAL

Weight: 14g (w/ MMCX?whip antenna)
Size: 36*45*7mm w/30.5mm mounting

Included

FCHUB-VTX board
MMCX?to SMA Female, RG178 cable 9cm
MMCX 5.8G whip antenna, RG178 8cm
Rubycon ZLH 35V/470uF Low ESR capacitor

Matek VTX-HV – stackable video transmitter

montis — Mon, 17 Jul 2017 10:49:51 +0000

Mateksys is expanding their product range and releasing their own video transmitters. The first one is Matek VTX-HV. It is separate half size of a normal FC, stackable board with OSD. ‘HV’ probably stands for High Voltage, as this VTX works directly from up to 6S HV LiPo battery. Has 5V output for camera, audio input, iPEX antenna connector, LED’s for channel band and power indication and traditional button control.

Some wiring tips:

Connection scheme:

VTX package: Video transmitter, heat shrink, antenna pigtail with SMA connector and whip style antenna.

VTX settingscan be changed via LUA script right from your ?TX:

Instructions for settings:

Also all settings can be changed by two buttons on the board.

Listed @ Banggood:?https://www.banggood.com/Matek-5_8G-40CH-25200500mW-switchable-Video-Transmitter-VTX-HV-with-5V1A-BEC-Output-p-1175514.html

We have heard the rumors that Matek is also preparing to release VTX?integrated into PDB. This will be direct fit to Matek F405 FC board.

Specifications:

Input voltage: 7~27V(2~6S HV LiPo)
40 standard channels, A/B/E/F/R Band
Output Power: 25, 200, 500mW switchable
BEC Output: 5V/1A for Camera or FC
Traditional button+LED control of frequency and power
BFCMS control via FC UART _TX
Firmware upgradeable

Power Consumption: 3.1W Max. @ 500mW
Video Input Impedance: 75 Ohm
Audio Subcarrier Frequency: 6.5 MHz
RF Connector: U.FL (IPEX)
Video Format: NTSC/PAL
Weight: 6g (Tx only, w/o SMA cable)
Size: 36*22*6.5mm w/30.5mm mounting