Multichannel Waveform Generator DIY Kit — versatile signal source for electronics learning, prototyping, and testing. Key benefits Provides four selectable waveforms (sine, triangle, square, sawtooth) in one compact PCB kit, reducing the need for multiple modules when experimenting or testing circuits. Simple PCB connection changes let you choose the output waveform quickly, saving time and making the kit suitable for classroom demonstrations and handson learning. Built from standard, wellknown components (NE555 timer IC, 9013 transistor, 1N4007 diode, adjustable 50KΩ resistor and a full capacitor set), giving predictable behavior and easy troubleshooting for learners and hobbyists. Supports digital frequency and amplitude modulation capabilities to demonstrate modulation concepts and support more advanced experiments. Operates from a stable DC 6–12V supply (9V recommended) for reliable performance in lab benches, workstations, or portable setups. What's included Core IC and discrete components: NE555, 9013 transistor, 1N4007 diode. Adjustable resistor: 50KΩ potentiometer for amplitude/frequency tuning. Capacitors: 0.01µF, 0.047µF, 0.1µF, 4.7µF. Resistor range provided: 1KΩ up to 100KΩ values for accurate circuit assembly. PCB with configurable connections to select output waveform type. Function, compatibility, and performance Function: Generates sine, triangle, square, and sawtooth waveforms; supports digital frequency and amplitude modulation for signalshaping and demonstration of modulation techniques. Power: DC 6–12V input; 9V recommended for balance of stability and component tolerance. Compatibility: PCBbased kit designed to integrate into educational setups, bench test environments, and hobby projects where a basic, configurable waveform source is required. Componentlevel design makes it easy to parts or modify circuit behavior for custom experiments. Practical use scenarios Electronics education: Use in classroom labs to teach waveform shapes, timing circuits, and modulation fundamentals. Students can assemble the kit and test outputs on an oscilloscope. Prototyping and troubleshooting: Rapidly generate reference signals to test amplifier stages, filters, or audio circuits without needing a full bench waveform generator. Hobbyist projects and experimentation: Ideal for DIY synths, signal experiments, or learning through handson assembly and modification of circuit parameters. Why choose this kit Straightforward assembly and clear component set make it ideal for learners and makers. Flexible waveform selection via PCB links gives you multiple signal types without extra modules. Uses standard, widely available components (NE555, 9013, 1N4007) so replacements and modifications are easy. Stable voltage range and recommended 9V operation ensure consistent behavior during extended use. Notes The kit requires a DC power source in the 6–12V range (9V recommended). Outputs and modulation behavior depend on component arrangement and PCB connections; use an oscilloscope or multimeter to verify signals during setup.