Y Combinator

Y Combinator · Launch Video Breakdown: Hook, Pacing & Motion Design

Radio Frequency test equipment, finally built like it's 2026. Zero driver installs, PoE and USB-C, automatic device discovery and networking, and a SKILL.md to write your test software. Smash your test development schedule and ship to production faster with @NineFivesRF.

Developer ToolsLaunchYCMay 21, 2026@ycombinator
0:00 · The Hook · Agitating the Outdated Status Quo
0:00 / 0:00

Scene-by-scene timeline & spoken transcript

  1. The Hook

    Agitating the Outdated Status Quo

    “(No spoken dialogue — Driving electronic rhythm with percussive hits and a 'smash' sound effect.)”

    On screen
    CELLPHONES DONT WORK LIKE THEY DID IN < SATELLITES DONT WORK LIKE THEY DID IN 1999 WHY IS TEST EQUIPMENT STILL STUCK IN 1999? ANDREW KURTZ MechE, ex-SpaceX No more GPIB errors
    Camera
    Static shot of old equipment screen, then a low-angle tracking shot of a person walking, followed by a dynamic close-up of equipment being destroyed.
    Motion
    Retro terminal text animation, quick cuts, slow-motion impact, and kinetic typography for problem statements.
  2. Product Reveal

    Introducing Modern RF Test Equipment

    “(No spoken dialogue — Electronic rhythm continues, with a 'whoosh' sound effect for transitions.)”

    On screen
    NINE FIVES System Information Network Configuration Firmware Update HOSTNAME: POE-ATTEN-521 MODEL: POE-ATTEN SERIAL: 521 STATUS: Connected via usb TEMP (C): 27.1 Attenuator Control Attenuation Setpoint (dB): 5 Valid range 0 to 63.0 dB in steps of 0.5 dB Set Attenuation Set Startup Setpoint Current Attenuation: 5.00 dB Startup Setpoint: 5.00 dB Diagram IN 5 dB OUT ATTENUATOR NINE FIVES ETHERNET TTEN-6G Spectrum Analyzer Amplifier Wilkinson Divider Rack Configuration through offline-capable web app * Welcome to Claude Code /help for help, /status for your current setup cwd: /home/noah/Development/nf_runtime > Implement AGC control using vi SKILL (nf-poe-test-automation) L Loaded skill: Nine Fives Test Automation Transports: SCPI raw TCP @ 5025, SCPI over HiSLIP @ 4880, REST @ 80 Preferred for automation: PyVISA over HiSLIP rm = pyvisa.ResourceManager('BPv1') inst = rm.open_resource(f'TCPIP::{host}::hislip0::INSTR') inst.read_termination = '\n' Always drain SYST:ERR? at the end of every test Common cmds: :IDN? *RST *CLS SYST:ERR? ATTEN: :SETATT <dB> / :ATT? SWITCH: :SETSW <pos> / :SW? Refer to docs/manual/scpi/[signal-generator,spectrum-analyzer,sp4t-switch]-commands.md Read(..nf_rackview/video-rack.yaml) L Read 129 lines from ../nf_rackview/video-rack.yaml name: Video Rack updated: 2026-05-12 modules: - id: mod-ilfd type: siggen - id: mod-9syn type: poe-atten-8g - id: mod-s8bu type: poe-coupler-10dB - id: mod-poe-atten-6g - id: mod-wilkinson-divider connections: siggen -> atten.rf0 sw8g.rf0 -> sw4t.rf0 coupler.in -> amp.rf1 amp.rf0 -> spec-an.rf-in Tracing RF path With our custom hardware + SKILL.md writing test automation software takes minutes instead of months
    Camera
    Close-up of a web UI, then a dynamic 3D render of modular equipment, followed by a screen capture of a code editor.
    Motion
    UI screen capture with animated cursor, 3D product animation with modular component reveals, and terminal text typing animation.
  3. Feature Teaser

    Seamless Integration and Automation

    “(No spoken dialogue — Upbeat electronic music with subtle UI sound effects.)”

    On screen
    NINE FIVES Radio Frequency test equipment, finally built like it's 2026. Zero driver installs, PoE and USB-C, automatic device discovery and networking, and a SKILL.md to write your test software. Smash your test development schedule and ship to production faster with @NineFivesRF.
    Camera
    Zoom into the Nine Fives logo, then a series of quick cuts showcasing product features and benefits with text overlays.
    Motion
    Logo reveal, animated bullet points, split-screen layouts, and dynamic text animations highlighting key features.
  4. Call to Action

    Accelerate Your RF Development

    “(No spoken dialogue — Music builds to a crescendo, then fades out with a final electronic flourish.)”

    On screen
    NINE FIVES Radio Frequency test equipment, finally built like it's 2026. Zero driver installs, PoE and USB-C, automatic device discovery and networking, and a SKILL.md to write your test software. Smash your test development schedule and ship to production faster with @NineFivesRF.
    Camera
    A montage of product shots, UI interactions, and the founder interacting with the equipment, culminating in a final branding shot.
    Motion
    Fast-paced montage, animated data visualizations, and a clear call to action with brand logo and social handle.

Related Developer Tools Product Launches

Explore all Developer Tools launches →
SpaceXAI
Hook 8.9204.0M
SpaceXAIDeveloper Tools

xAI opens voice cloning on its API: build a custom voice in about two minutes or pick from 80+ voices in 28 languages.

@SpaceXAI
Claude
Hook 9.178.3M
ClaudeDeveloper Tools

Claude can now operate your Mac, opening apps, browsing and filling spreadsheets, as a research preview in Cowork and Claude Code.

@claudeai
xAI
Hook 8.873.2M
xAIDeveloper Tools

Agentic CLI for coding, building apps, and automating workflows.

@SpaceXAI