Purpose: Canonical reference architecture and turnkey project template. Combines ESP32-C3 SuperMini footprint, 0603 power filtering, status LED, 4-pin auxiliary IO breakout, decoupled silkscreen scaling, live hover netlist tooltips, and instant manufacturing exports.
| Bare PCB Fab (5 boards) | $2.00 ($0.40/ea) |
| AliExpress SuperMini + Passives | ~$1.20 |
| Factory SMT Assembly | $0.00 (Carrier DIY) |
| Total Unit Cost | ~$1.60 / board |
Purpose: A fully programmatic addressable LED strip generator. Dynamically set length, LED density, pitch, and breakaway mousebite panel arrays. Implements multi-layer via crossovers on bottom copper to prevent power rail shorts.
| Bare PCB Fabrication (5 boards) | $2.00 ($0.40/ea) |
| WS2812B-3535 LEDs (~6-10 LEDs) | ~$0.60 |
| Factory SMT Assembly | $0.00 (DIY Solder) |
| Total Unit Cost | ~$1.00 / strip |
Purpose: Baton form factor (22×100mm) carrier PCB for flow wands, visual batons, and sound-reactive props. Shares the exact same circuit and BOM as 03. JLCPCB factory-assembles all SMD passives, MOSFETs, LiPo charger, and flyback diodes for just $0.84/board ($42 for 50 pcs). Just drop in $1 AliExpress dev modules.
| JLCPCB Bare PCB Fab (50 boards) | ~$14.00 ($0.28/ea) |
| JLCPCB SMT Factory Assembly (50 boards) | ~$42.00 ($0.84/ea) |
| Factory Pre-Assembled Carrier Subtotal | ~$56.00 ($1.12/ea) |
| AliExpress Dev Modules (SuperMini + MPU + Mic) | ~$2.50 |
| Total Completed Baton Cost | ~$3.62 / baton |
Purpose: Ultra-dense 38×38mm square carrier PCB for cubes, robotics, wearable badges, and compact fixtures. Shares the exact same circuit and BOM as 02 in a dense square footprint with back-to-back 3D stacking and 31×31mm M3 bolt pattern. JLCPCB factory-assembles all SMD parts for $0.83/board ($41.66 for 50 pcs SMT + $13.80 bare PCBs). Just drop in $1 AliExpress dev modules.
| JLCPCB Bare PCB Fab (50 pcs) | $13.80 ($0.28/ea) |
| JLCPCB SMT Factory Assembly (50 pcs) | $41.66 ($0.83/ea) |
| Factory Pre-Assembled Carrier Subtotal | $55.46 ($1.11/ea) |
| AliExpress Dev Modules (SuperMini + MPU + Mic) | ~$2.50 |
| Total Complete Controller Cost | ~$3.61 / board |
Purpose: 100% factory-assembled turnkey baton controller (22×110mm). Solder-mounts an ESP32-C3-WROOM-02-N4 module directly with onboard ST LSM6DS3TR-C 6-axis IMU, WillSemi WMM7037AT2 MEMS mic, USB-C CDC/JTAG flashing, ME6211 LDO, TP4054 charger, LED gate, and haptic PWM driver. Zero soldering required.
| Bare PCB Fabrication (5–10 boards) | $2.00 |
| 100% SMT Components (33 parts) | $5.52 / board |
| Standard PCBA Base ($24) + 7 Feeders ($21) | $46.50 fixed setup |
| Total Unit Cost @ 10 qty | ~$10.28 / board |