📚 Acronyms ============ .. glossary:: :sorted: IC Integrated Circuit TTL Transistor-Transistor Logic I/O Inputs / Outputs GND Ground OTA Over-the-Air PCB Printed Circuit Board PWM Pulse-width Modulation FF Flip Flop FAQ Frequently Answered Questions FPC Flexible Printed Circuit LED Light Emitting Diode LDR Light Dependant Resistor LDO Low-Dropout regulator RGBW Red-Green-Blue-White NTC Negative Temperature Coefficient MDI Material Design Icons BOM Bill of Materials ESD Electrostatic Discharge SMD Surface-mounted device SMT Surface-mount Technology THT Through Hole Technology IIC Inter-Integrated Circuit FDM Fused deposition modeling SLA Stereolithography