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2. LED circuit - Wikipedia

   en.wikipedia.org/wiki/LED_circuit

   Learn how to power a light-emitting diode (LED) with a series resistor, a constant current source or a switched-mode power supply. Find out how to calculate the forward voltage, the current and the resistance of an LED circuit using Ohm's law and Kirchhoff's laws.

3. LED strip light - Wikipedia

   en.wikipedia.org/wiki/LED_strip_light

   Learn about LED strip lights, flexible circuit boards with SMD LEDs and other components, used for various lighting purposes. Compare different colors, shapes, sizes, power levels, and control types of LED strip lights.

4. VGA connector - Wikipedia

   en.wikipedia.org/wiki/VGA_connector

   VGA connector is a standard 15-pin D-subminiature connector for computer video output, derived from the earlier DE-9 connector. It carries analog RGBHV signals and VESA DDC pins for identifying attached displays.

5. MOS Technology VIC-II - Wikipedia

   en.wikipedia.org/wiki/MOS_Technology_VIC-II

   The VIC-II is a custom chip that generates video and sound signals for the Commodore 64 and 128 computers. It has 47 control registers, supports sprites, bitmap modes, raster interrupts and dynamic RAM refresh.

6. SCART - Wikipedia

   en.wikipedia.org/wiki/SCART

   SCART is a French-originated 21-pin connector for connecting audio-visual (AV) devices, such as TVs, VCRs, DVD players and games consoles. It carries composite, RGB, S-Video and digital signals, and can switch TV channels automatically when a device is turned on.

7. RP2040 - Wikipedia

   en.wikipedia.org/wiki/RP2040

   RP2040 is a low-cost, powerful and programmable microcontroller designed by Raspberry Pi Ltd. It has two Cortex-M0+ cores, 264 KB SRAM, 30 GPIO pins, USB, SPI, I²C, PWM and ADC peripherals, and can run TensorFlow Lite.