SW8B REMCON

Serial Wombat SW8B PCB0041 IR Receiver and Transmitter Board

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PRELOADED FIRMWARE IMAGE:

IR Communications

REMCON Usage Guide (See user manual below for overall Serial Wombat guide):

  • Set Pin 7 to IR Tx Mode and enable pin 6 to 38kHz carrier

  • Set Pin 3 to IR Rx Mode.

  • Pin 1 is a Green LED, intended for use as a blink mode for communications. 3.3V or 5V operation.

  • Pins 2,4,5 and 6 can be configured to other pin modes (Analog, Servo, PWM or Digital I/O in v 2.2.3)

Solder Jumper options:

  • I2C address can be configured between 0×60 and 0×6F through closing the 4 address jumpers

  • Transmit output power can be increased by closing the boost jumper (3.3V operation only)

  • A board power LED can be enabled by closing the LED jumper at the top front of the board

Basic Sample Arduino Sketch (see more in the library):

// Print out incoming NEC IR Command number to Serial #include <SerialWombat.h> PCB0041_Remcon remcon; #define PCB0041_I2C_ADDRESS 0x60 void setup() { Wire.begin(); //Initialize the I2C Bus on default pins Serial.begin(115200); delay(3000); Serial.println("PCB0041 IR Receive Example. Point remote at PCB0041 and press a key"); remcon.begin(PCB0041_I2C_ADDRESS); } void loop() { int receivedData = remcon.irrx.read(); if (receivedData >= 0) { Serial.println(receivedData); } }

Revision History

PCB0041_V4:

Made the board longer, added QR code, added two populated QWIIC connectors on the front.

PCB0041_V3:

Board shipped as a reward for Kickstarter 2026 campaign. Has an unpopulated QWIIC connector on the back, but otherwise identical to V4 schematic.

PCB0041_V2:

Internal development release.

PCB0041_V1:

Internal development release.

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