The RXC6 breakout board is a four-channel EV1527-compliant receiver and can be controlled with EV1527-compliant remote controls (senders).
It uses the SYN470R receiver chip and comes with a built-in EV1527 decoder to decode 24-bit data packets sent by a EV1527-compliant remote control (sender).
The breakout board frequently comes bundled with a RXB14 sender breakout board.
Different Hardware Versions
RXC6 comes in a variety of hardware versions. The old versions all have two solder bridges marked T1 and T2 that can be used to set the latch mode.
The latest hardware version (marked V4 on the back of the board) does not have these solder bridges anymore. The latch mode is set by software instead. The documentation for older version no longer applies to this new version.
The latest hardware version 4 of RXC4 really appears to be identical to RX480E-4.
Pairing
The receiver needs to be paired with the remote control that you want to use with this receiver.
To enter pairing mode (aka learning mode), press the button on the front side of the receiver.
Once pairing mode is active, the on-board LED is constantly on.
Now press any button on the remote control you want to pair. The receiver LED blinks three times to confirm successful pairing.
From now on, when you press a button on the remote control, the appropriate data out pin will switch to HIGH.
Setting Latch Mode
By default, the receiver is in push button mode: the output pin is HIGH only for as long as the button on the remote control is pressed. Once the button is released, the output pin returns to LOW - just like a push button or momentary switch would behave.
The board can operate in three different latching modes:
- Push button: the selected channel is on only for as long as the remote control signal is received.
- Self-Locking: each time the board receives a code, it toggles from on to off and vice versa.
- Mutual Exclusive: like self-locking, but once a different channel becomes active, the channel falls back to off. In this mode, only one channel is active at any time.
Reset Required
Before you can change the latch mode, you must reset the receiver. If you do not reset the receiver, the latch mode will stay put.
Old Hardware Versions
For the old hardware versions (those with solder bridges T1 and T2), press and hold the button on the receiver until the LED lights up. Keep pressing the button for a few more seconds until the LED turns off again.
New Hardware Versions (V4 and better)
Press the button eight times. The LED will blink four times to indicate successful reset.
Setting New Latch Mode
In older hardware versions with solder bridges marked T1 and T2, the latch mode is set by opening or closing these solder bridges:
| T1 | T2 | Mode |
|---|---|---|
| open | open | Push Button |
| open | closed | Self-Locking |
| closed | closed | Mutual Exclusive |
In newer hardware versions (with missing T1 and T2 solder bridges), latch mode is set by pressing the button once, twice, or three times:
| Mode | Key Press |
|---|---|
| Push Button Mode | 1x |
| Self-Locking Mode | 2x |
| Multually Exclusive Self-Locking | 3x |
This will set the latch mode and also immediately enter pairing mode: the LED lights up and waits for you to press any key on the remote control you want to pair. Once successfully paired, the LED blinks three times.
You must perform the device reset (as described above) in order to switch latch mode. If you do not reset the device, pressing the button any number of times will just enter the pairing mode but not change the latch mode.
Technical Data
| Item | Value |
|---|---|
| Voltage | 3.3-5.5V |
| Frequency | 433MHz or 315MHz |
| Operating Current | <4.1mA |
| Sensitivity | -110dBm |
| Modulation Mode | AM (OOK) |
| Transmission Rate | EV1527 |
| Size | 28x12.5x5mm |
Pins
The board comes with seven pins plus a solder pad for an antenna that is marked as ANT on the back side.
| Pin | Tag | Description |
|---|---|---|
| 1 | GND | negative pole |
| 2 | +V | +3.3-5.5V |
| 3 | D0 | high when received code 1 |
| 4 | D1 | high when received code 2 |
| 5 | D2 | high when received code 3 |
| 6 | D3 | high when received code 4 |
| 7 | VT | high when received any valid code |
Setup
Setup does not require any external components. Just connect power to +V and GND.
To see the receiver outputs in action, connect a LED with an appropriate resistor to D0-D3, and to VT.
Connect the LED anode (positive pin) to the receiver output pin, and connect the LED cathode (negative pin) to GND.
Data Sheet
SYN470R Receiver
Manual for old version
YouTube Video for old version
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(content created Apr 20, 2024)