M5Stack M5StickS3
Arduino sketch for the M5StickS3. A short wire on an ADC1 pin is sampled, run through an FFT, and drawn as a live spectrum with peak hold. Hold B for baseband white noise. Hold A for an RF carrier sweep. A RAK3172 on the Grove port can send the dominant peak over LoRa.
Bench radiator only. Do not aim it at gear you do not own. Jamming licensed radio is illegal.
Required before access
Artisan Technical Computer Services, LLC · effective August 26, 2026 · v2026.08.26
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Effective date: August 26, 2026. Version 2026.08.26.
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