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  1. Parts
  2. /Wireless & comms
  3. /LoRa & RF modules

Simple RF T4 Receiver - 315MHz Toggle Type

OverviewPinoutWiringAlternatesRelated groups
Simple RF T4 Receiver - 315MHz Toggle Type — Adafruit — 1097

315 MHz ASK receiver with four independently toggling output pins: each button press alternately sets or clears the corresponding pin. Powered from ~5 VDC; no addressing or error-checking. Differs from the M4 momentary and L4 latching-selector variants.

Offers

  • Adafruit$4.95
  • ?DigiKey
  • ?OpenCircuit€7.00

Offers

  • Adafruit$4.95
  • ?DigiKey
  • ?OpenCircuit€7.00

Pinout

  • VCC

    Receiver supply. Adafruit says to power the receiver with about 5 VDC and warns that anything higher than 6 V can damage it.

    Type · powerVoltage · ~5 VDC recommended; do not exceed 6 V per Adafruit product note
  • GND

    Power return for the receiver module supply.

    Type · groundVoltage · 0 V
  • A output

    Toggle output controlled by the A button. Adafruit states pressing A activates the first output pin, and on the T4 type repeated presses turn that pin on and off.

    Type · digitalVoltage · logic high when active, low when inactive; module powered at ~5 VDC
  • B output

    Toggle output controlled by the B button. Adafruit states pressing B activates the second output pin, and the T4 receiver toggles matching pins on repeated presses.

    Type · digitalVoltage · logic high when active, low when inactive; module powered at ~5 VDC
  • C output

    Toggle output controlled by the C button. Adafruit describes a one-to-one link between remote buttons and the four receiver output pins.

    Type · digitalVoltage · logic high when active, low when inactive; module powered at ~5 VDC
  • D output

    Toggle output controlled by the D button. Adafruit describes all four buttons each activating a matching receiver pin.

    Type · digitalVoltage · logic high when active, low when inactive; module powered at ~5 VDC
PinPositionTypeFunctionVoltage
VCCpowerReceiver supply. Adafruit says to power the receiver with about 5 VDC and warns that anything higher than 6 V can damage it.~5 VDC recommended; do not exceed 6 V per Adafruit product note
GNDgroundPower return for the receiver module supply.0 V
A outputdigitalToggle output controlled by the A button. Adafruit states pressing A activates the first output pin, and on the T4 type repeated presses turn that pin on and off.logic high when active, low when inactive; module powered at ~5 VDC
B outputdigitalToggle output controlled by the B button. Adafruit states pressing B activates the second output pin, and the T4 receiver toggles matching pins on repeated presses.

Start wiring

UART · SPI · 3.3 V · Breakout

Verify supply voltage and logic levels before powering up.

Module pins: VCC, GND. Schematik maps them to your board in the app.

LoRa & RF

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Parts tray full · 5 max · remove a part to add another
logic high when active, low when inactive; module powered at ~5 VDC
C outputdigitalToggle output controlled by the C button. Adafruit describes a one-to-one link between remote buttons and the four receiver output pins.logic high when active, low when inactive; module powered at ~5 VDC
D outputdigitalToggle output controlled by the D button. Adafruit describes all four buttons each activating a matching receiver pin.logic high when active, low when inactive; module powered at ~5 VDC