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| Component | USB-C Adapter Pin | | --- | --- | | Transistor Emitter | GND | | Resistor from Base | TX (or D2 if programmable) | | LED Anode (via transistor) | VCC (3.3V or 5V) |
Want to turn your phone, tablet, or laptop into a universal remote? While many modern Android phones have dropped the built-in IR blaster, you can easily build an external one that plugs directly into your USB-C port. No soldering? No problem. Here’s how to build a simple, solder-free USB-C IR blaster for less than a cup of coffee. How It Works An IR blaster mimics the infrared signals from your original remote. This DIY version uses a USB-to-TTL serial adapter (programmed as a "virtual COM port") to send raw IR codes from an app to a high-power infrared LED.
Now go tame that old TV that's lost its remote – for less than the cost of a replacement remote itself.
| Component | USB-C Adapter Pin | | --- | --- | | Transistor Emitter | GND | | Resistor from Base | TX (or D2 if programmable) | | LED Anode (via transistor) | VCC (3.3V or 5V) |
Want to turn your phone, tablet, or laptop into a universal remote? While many modern Android phones have dropped the built-in IR blaster, you can easily build an external one that plugs directly into your USB-C port. No soldering? No problem. Here’s how to build a simple, solder-free USB-C IR blaster for less than a cup of coffee. How It Works An IR blaster mimics the infrared signals from your original remote. This DIY version uses a USB-to-TTL serial adapter (programmed as a "virtual COM port") to send raw IR codes from an app to a high-power infrared LED.
Now go tame that old TV that's lost its remote – for less than the cost of a replacement remote itself.
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