433MHz RF Wireless Transmitter Receiver Kit FS1000A XY-MK-5V Module - Image 1
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433MHz RF Wireless Transmitter Receiver Kit FS1000A XY-MK-5V Module - Image 5

433MHz RF Wireless Transmitter Receiver Kit FS1000A XY-MK-5V Module

AT-09 BLE 4.0 Bluetooth module CC2540 CC2541 Serial Wireless compatible HM10
Wireless RF Transceiver 433MHZ Antenna Module Arduino Uno Raspberry PI CC1101
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Description

🔧 433MHz RF Wireless Transmitter Receiver Kit FS1000A XY-MK-5V | AuscomTech

This 433MHz RF wireless kit includes a compact FS1000A transmitter and a super-regenerative XY-MK-5V receiver module for simple wireless communication between electronic projects.

Using ASK/OOK modulation, the transmitter sends digital signals while the receiver outputs TTL-level data, making it ideal for microcontroller-based systems.

Perfect for Arduino, Raspberry Pi, and other embedded platforms, this module set is widely used for remote control, wireless switching, and low-speed data transmission.

⭐ Key Features

  • 433MHz Operation – Standard ISM band suitable for DIY wireless communication projects.
  • FS1000A Transmitter – Supports 3V–12V input with stable SAW-based frequency output.
  • Super-Regenerative Receiver – High sensitivity design with wide reception bandwidth.
  • ASK / OOK Modulation – Simple amplitude-based transmission for digital signals.
  • TTL Data Output – Direct interface with microcontrollers and decoding ICs.
  • Low Power Consumption – Receiver standby current approx. 4mA.
  • Flexible Integration – Compatible with encoding/decoding chips or MCU-based processing.
  • Library Support – Works with Arduino libraries such as VirtualWire and RadioHead.

📊 Technical Specifications

  • Frequency: 433MHz
  • Modulation: ASK / OOK
  • Transmission Rate: < 10 Kbps
  • Transmitter Voltage: DC 3V – 12V
  • Transmitter Current: 20 – 28mA
  • Transmitter Power: 16dBm (approx. 40mW)
  • Receiver Voltage: DC 5V
  • Receiver Current: 4mA
  • Receiving Sensitivity: -105dBm
  • Operating Temperature: -10°C to +70°C
  • Receiver Size: approx. 30.3 × 13.8 × 7.0mm
  • Transmitter Size: approx. 19 × 19 × 8mm
  • Interface: TTL digital signal
  • Antenna: External wire antenna required (not included)

🧩 Typical Applications

  • Wireless remote control systems
  • Arduino and Raspberry Pi communication
  • Home automation switching
  • Wireless sensor data transmission
  • Alarm and security systems
  • DIY RF communication projects

⚠️ Important Notes

  • This is a basic RF communication module and requires encoding/decoding via MCU or dedicated IC.
  • Performance depends heavily on antenna design and power stability.
  • Recommended antenna length for 433MHz is approximately 17cm wire.
  • Higher data rates reduce effective transmission distance.
  • Use a regulated 5V supply for stable receiver performance.

📦 Package Includes

  • 1 × FS1000A 433MHz RF Transmitter Module
  • 1 × XY-MK-5V 433MHz RF Receiver Module

🔗 Recommended Accessories (Not Included)

  • Arduino Uno or compatible board – for control and testing
  • Breadboard and jumper wires – for prototyping connections
  • 433MHz antenna wire – improves signal range and stability
  • Power supply module – ensures clean and stable voltage

📌 Code Examples & Usage – 433 MHz RF Transmitter & Receiver Kit (FS1000A)

📋 Overview

This 433 MHz RF transmitter & receiver kit is a simple, low-cost solution for one-way wireless communication between microcontrollers.

It is ideal for:

  • Remote switches

  • Wireless buttons

  • Simple sensor transmission

  • DIY alarms

  • Basic data links

⚠ This kit provides one-way communication only (no acknowledgements or feedback).

📡 Key Characteristics

  • Frequency: 433 MHz ISM band

  • Modulation: ASK / OOK

  • Transmitter voltage: 3–12 V (5 V typical)

  • Receiver voltage: 5 V

  • Interface: Digital GPIO

  • Antenna: External wire antenna recommended

⚠ Important Limitations (Be Clear with Customers)

✔ Very simple to use
❌ No addressing, encryption, or collision handling
❌ Susceptible to interference
❌ Not suitable for reliable telemetry or long packets

👉 Best used with short messages and repeated transmissions

🔌 Wiring

Transmitter (FS1000A)

Pin Connect To
VCC 5V
DATA Digital pin (e.g. D12)
GND GND

Receiver (XY-MK-5V or similar)

Pin Connect To
VCC 5V
DATA Digital pin (e.g. D11)
GND GND

📌 Some receivers have two DATA pins — either one can be used.

📦 Library Installation (Arduino IDE)

We recommend the RadioHead or VirtualWire compatible library.

Recommended: RadioHead

  1. Arduino IDE → Sketch → Include Library → Manage Libraries

  2. Search for RadioHead

  3. Install RadioHead by Mike McCauley

🧪 1️⃣ Transmitter Example – Send a Message

#include <RH_ASK.h>
#include <SPI.h>

RH_ASK rf;

void setup() {
Serial.begin(9600);
rf.init();
}

void loop() {
const char *msg = "Hello AuscomTech";
rf.send((uint8_t *)msg, strlen(msg));
rf.waitPacketSent();
Serial.println("Message sent");
delay(1000);
}

🧪 2️⃣ Receiver Example – Receive Message

Upload this to the receiver Arduino.

#include <RH_ASK.h>
#include <SPI.h>

RH_ASK rf;

void setup() {
Serial.begin(9600);
rf.init();
}

void loop() {
uint8_t buf[RH_ASK_MAX_MESSAGE_LEN];
uint8_t buflen = sizeof(buf);

if (rf.recv(buf, &buflen)) {
Serial.print("Received: ");
Serial.println((char*)buf);
}
}

✔ Messages appear in Serial Monitor
✔ Expect occasional corrupted data — this is normal for ASK RF

🧪 3️⃣ Button-Controlled Wireless Switch (Example)

Transmitter (Button)

#include <RH_ASK.h>
#include <SPI.h>

RH_ASK rf;
const int buttonPin = 2;

void setup() {
pinMode(buttonPin, INPUT_PULLUP);
rf.init();
}

void loop() {
if (digitalRead(buttonPin) == LOW) {
const char *msg = "ON";
rf.send((uint8_t *)msg, strlen(msg));
rf.waitPacketSent();
delay(300);
}
}

Receiver (LED)

#include <RH_ASK.h>
#include <SPI.h>

RH_ASK rf;
const int ledPin = 13;

void setup() {
pinMode(ledPin, OUTPUT);
rf.init();
}

void loop() {
uint8_t buf[RH_ASK_MAX_MESSAGE_LEN];
uint8_t buflen = sizeof(buf);

if (rf.recv(buf, &buflen)) {
if (strcmp((char*)buf, "ON") == 0) {
digitalWrite(ledPin, !digitalRead(ledPin));
}
}
}

📏 Antenna & Range Tips (CRITICAL)

✔ Add a 17.3 cm wire antenna to both modules
✔ Keep antenna vertical
✔ Avoid metal enclosures
✔ Lower data rates = better range

Typical range:

  • 5–20 m indoors

  • 50–100 m outdoors (line-of-sight)

🧠 Troubleshooting

Issue Cause Fix
No data No antenna Add 17.3 cm wire
Garbage text RF noise Shorter messages
Very short range Weak power Stable 5 V supply
Missed packets ASK limitation Repeat messages

🔁 FS1000A vs CC1101 vs LoRa (Quick Comparison)

Feature FS1000A CC1101 LoRa
Cost Very low Medium Higher
Two-way ❌ ✅ ✅
Range Short Medium Long
Complexity Very simple Medium Advanced
Reliability Low High Very high

Additional information

Weight 40 g
Dimensions 260 × 160 × 20 mm

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