ENGINEERING BLOG

mmWave Radar & RF Engineering

Build guides, open-source projects and practical notes on 60 GHz and 80 GHz radar, RF and microwave components, and the dev tools around them. Every project links to its code on GitHub and the parts to build it.

Radar Desk Buddy cover: the desk pet with its sunflower figure and the real 60 GHz AiP mmWave radar board (42 x 8 mm)Featured · Open SourceRadar Desk Buddy: Build an ESP32-S3 Desk Pet That Follows You with 60 GHz mmWave RadarAn open-source ESP32-S3 desk companion that uses a 60 GHz mmWave radar to turn toward you, follow you with its eyes, show the time when you sit down and hide when you leave. No camera, no cloud, no soldering.Read the article →

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Topic · 2 articlesRadar60 GHz presence and tracking, 80 GHz level sensing: wiring, UART protocols, mounting and tuning.Browse articles →Topic · 3 articlesRF & MicrowaveCables, adapters, attenuators, antennas and waveguide parts: choosing and using them on the bench, and what drives their price from X-band to 300 GHz.Browse articles →Topic · 1 articleOpen SourceBuilds with firmware, wiring guides and docs on GitHub, MIT-licensed, plus the parts to make them.Browse articles →
GitHub · github.com /KymopsisFirmware, wiring guides and docs for every build. Star a repo to follow new projects.View all repositories →
GitHub · Kymopsis /radar-desk-buddyESP32-S3 desk companion with a 60 GHz mmWave radar: eyes and figure follow you, local time and weather, Telegram messages. No soldering.CMIT licenseView repository →Read the build guide →

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Radar · RF & MicrowaveOct 26, 2026Radome Design for 24–80 GHz Radar: Wall Thickness, Angle, Paint and WaterHalf-wave wall thickness for PTFE, PP, ABS and PC at 60 and 77 GHz, thickness tolerance, incidence angle, mounting distance, paint and water films,…RF & MicrowaveOct 26, 2026Machined or Metallized Plastic? How Waveguide Antennas and Horns Are Built, 10 to 300 GHzSplit blocks, EDM, electroforming, die casting and plated injection mouldings compared: where the seam goes, what tolerance each route holds, and w…RF & MicrowaveOct 26, 2026Wavelength, Machining Tolerance and Test Cost: Why mmWave Parts Get ExpensiveWaveguide size, tolerance budget, surface roughness and test setup band by band, from WR-90 to WR-3, with the numbers behind the price jump above 4…Open Source · RadarOct 26, 2026Radar Desk Buddy: Build an ESP32-S3 Desk Pet That Follows You with 60 GHz mmWave RadarAn open-source ESP32-S3 desk companion that uses a 60 GHz mmWave radar to turn toward you, follow you with its eyes, show the time when you sit dow…
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