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DelTang Rx65 DSM2/DSMX Receiver for Land-Based Vehicles
Rx65 is a 2.4GHz DSM2/DSMX receiver which includes one integrated 3A reversable controller for brushed motors (ESC). The standard voltage range is 3-18v for 1-4S LiPo, 1-5 LiFe, 3-12 NiCd/NiMH or 1-2 PP3. The design allows for 'daughter boards' to extend the capability: two are curently available with additional output drivers for single and bidirectional ESC.
Rx65 is available as board-only for you to add wiring or with a range of pre-configured daughter boards and pre-wired leads / connectors. The daughter board can be used to increase the ESC current to 6A or to provide a second 3A ESC. If the options below do not exactly meet your needs, please contact us to discuss your requirements.
An enormous range of programming features are provide to enable you to customise the operation of Rx65 to suit your model. See Rx65 v611 Programming for full details. Access to programming is either via a stick type transmitter or using the PROG3 programmer. A selection of program setups are provided as variants (-1, -2, etc.) - view the Variants tab for details.
In standard configuration, the Rx65 as 1 x H, 12 x P and 3 x F outputs. Additional outputs are available via add-on daughter boards.
H: Rx65 is intended for surface vehicles which require forward and reverse motor control. For brushed motors this is achieved with an H-Bridge - H outputs, e.g. H1, H2. H outputs have 256 step resolution in both directions (512 total). They control speed with pulse width modulation(PWM) which, by default, is set to its fastest (quietest) 12kHz setting.
Each H output can handle up to 3A current. The main constraint with current is heat in the receiver. Higher currents may be possible if heat sinks are added or the PWM frequency is reduced to 200Hz. Rx65 has one integrated ESC (H1). A daughter board can provide a second (H2) which can be used independantly ('3A2' = 3A x2) or in parallel ('6A1' = 6A x1). How the outputs are used has to be set with programming. Receivers are provided 'pre-programmed'. The default settings are shown on the instructions pages for each variant.
P: 'P' outputs are 'pads' with 'logic' type outputs. Pads are simply solder points for controlling external things. Logic outputs are either on or off (also known as high/low and 3.5v/0v in voltage terms). The action can be inverted so 'On' can mean 0v or 3.5v. P outputs are used to provide servo signals direct to the white/yellow lead on a servo. They can be used to directly control triggers on external sound cards - a series resistor, of 4k7 ohm or more, must be used if the external trigger open circuit voltage is greater than 3.3V. P outputs are also used to drive LEDs and need a resistor to limit current to no more than 20mA.
F: 'F' outputs are 'buffered' P outputs capable of controlling up to 2A. The buffer is a FET (Field Effect Transistor). These provide a path to ground (0v) when on and are floating (disconnected) when off. Technically they are called 'open drain' (the equivalent with a transistor which is more widely known is called 'open collector'). The Rx65 main board provides 3 x 'F' outputs, labelled A, B and C. There is a fourth output 'D' available on the daughter board. It is controlled by P5 so P5 can either be used directly or in its buffered form (D). F outputs are often used to control sound cards and lights.
The receiver is normally supplied as a bare board, with wiring options as specified in the menus below. If you want the receiver protected against accidental contact with metal parts, please select the 'heatshrink' option.
Receiver Variation, Antenna, Connector and Daughter Board Options:
throttle control method applies only to -2 and -22 variants
6A1: single 6A output, 3A2: twin 3A outputs
Spare 150mm aerials are available for the extended aerial version of Rx65 and Rx102: £ 1.15