U113 · M5Stack
Unit RF433R is an RF wireless radio frequency receiver, using the SYN531R radio frequency receiver, operating at the commonly used 433.92MHz for wireless controllers (with ASK modulation). It features a built-in PCB antenna with a stable signal reception distance up to 10M and a typical receiver sensitivity of -109dBm. The compact and delicate housing design allows integration into various RF remote control applications. It is suitable for security alarms, wireless automatic meter reading,… (M5Stack U113)
| Part number | U113 |
|---|---|
| Manufacturer | M5Stack |
| Category | Communication & Wireless › Sub-GHz & RF Transceivers |
| Pins | 4 |
| Frequency | 433 MHz |
RF UNIT 433MHz Receiver (SYN513R) pinout
| Pin | Name | Type | Description |
|---|---|---|---|
| 1 | SIG1 | bidirectional | PORT.B: GPIO/analog; PORT.C: UART - see the unit's pin map |
| 2 | SIG2 | bidirectional | PORT.B: GPIO/analog; PORT.C: UART - see the unit's pin map |
| 3 | 5V | power | |
| 4 | GND | ground |
Schematic symbol and footprint
Schematic symbol
Footprint: Grove HY2.0 4-pin through-hole, 2.0 mm pitch — to scale, pad 1 in yellow (mm). Check against the datasheet before ordering PCBs.
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