The CardPulse
A premium desktop display stand for a single TCG card that simultaneously tracks its real-time market price. Display it beautifully. Know its value always.
LED Preview
Rotating display
Three Screens, One Card
The display cycles automatically through price data, historical stats, and market sentiment — all in real time.
Price Screen
Current price, trend arrow, delta since last fetch, countdown to next refresh, WiFi signal, and Night Mode indicator.
- ·Live USD price (large, Syne Mono)
- ·Up/down trend arrow
- ·Delta amount + percentage
- ·Countdown bar (green → yellow → red)
- ·WiFi RSSI bars
Stats Screen
7-day price range, 30-day trend direction and slope, All-Time High with date, and All-Time Low with date.
- ·7-day low–high range
- ·30-day trend + slope value
- ·All-Time High + date
- ·All-Time Low + date
Mood Market Screen
Card Mood (7d), Volatility, Market Mood (30d), and how the card is performing since you first set it up.
- ·Card Mood: Rocket fuel → Freefall
- ·Volatility: Calm → Unhinged
- ·Market Mood: Bull run → Capitulation
- ·You & This Card: Soulmates → Bad breakup energy
What's inside
Everything in the box
LED Wings
2 × 16 WS2812B RGB strips run vertically along both sides of the card holder. 10 solid colour presets, slow/fast rainbow, breathing pulse, and 8 unique alert effects.
Universal Card Holder
Raw cards, sleeved cards, and approximately 90% of graded slabs fit in the holder. Portrait orientation, 100mm wide slot with friction-free removal.
Live Price Alerts
8 configurable alert tiers from ±3% to ±20%. Each tier fires a unique LED animation and one of three randomised audio cues simultaneously.
Custom Audio
24 audio slots (8 tiers × 3 variations). Replace any sound via the web portal — upload your own MP3 files and test them without restarting the device.
Night Mode
Set a quiet window by 24h start/end times. Audio mutes, LED brightness caps. Optional Night Signature theme replaces the display palette with purple/cyan.
Full Web Portal
No app, no Bluetooth pairing. Connect to the CardPulse-Setup hotspot and configure everything in your browser — WiFi, API key, card ID, thresholds, and more.
Under the hood
Technical Specifications
| Microcontroller | ESP32-S3, dual-core 240MHz |
| Display | 1.9" colour LCD, 170×320px, flush-mounted |
| LED Strips | 2 × 16 WS2812B RGB (left + right wings) |
| Audio | I2S digital amplifier MAX98357A, mono |
| Connectivity | WiFi 802.11 b/g/n 2.4GHz only |
| Power | USB-C, 5V DC, 2A recommended |
| Base Dimensions | 115mm W × 50mm D × 40mm H |
| Card Holder | 100mm W × 40mm D × 155mm H |
| Card Compatibility | Raw, sleeved, ~90% of graded slabs |
| Cards Tracked | 1 |
| Storage | FFat partition ~10MB for audio files |
| Data Source | JustTCG API (justtcg.com) — free tier 1,000 req/mo |
| API Requests | 1 HTTPS GET per refresh cycle |
| Supported Games | 16+ via TCGplayer (any game on the platform) |
Alert preview
Every tier has a personality
Be first in line
The CardPulse launches soon. Join the waitlist and we’ll notify you the moment it’s available.