The FS1000A is a low-cost 433 MHz RF transmitter module used for simple wireless data sending, often with Arduino or ESP32 projects. It typically accepts a digital data signal and transmits unidirectional ASK/OOK-style RF signals for short-range remote control or sensor links.
| Pin | Signal | Description |
|---|---|---|
GND |
ground | Ground reference for the transmitter module and data input. |
VCC |
power | Positive supply input for the 433 MHz transmitter, commonly 5V. |
DATA |
data | Digital ASK/OOK modulation input from a microcontroller. |
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