He found that the tone generator built into Audacity was quite useful, at least for generating waveforms at less than 20 KHz or so. Upon plugging his scope into his sound card’s audio jack ...

Description: PRECISION TYPE 5.5 INCH W X 4.5 INCH D X 7.25 INCH H SIZE TELECOMMUNICATION INDUSTRY APPLICATION HIGH IMPACT ABS PLASTIC HOUSING MATERIAL (1) 6 V LANTERN BATTERY VOLTAGE 577.5 HZ TONE ...

[RichDecibels] wrote in to share a new device he built called the “Sinster Tone Generator”. It’s basically a bass drone synthesizer that uses two pairs of heterodyning oscillators to ...