Frequency Analyzer is listed in Dan's STEM kit graph for the Learning MicroPython book.
| Part (price) | Role |
| Raspberry Pi Pico 2 W ($6.99) | Microcontroller with Wireless |
| 830-Point Breadboard ($1.10) | Breadboard |
| Micro-USB Data Cable ($2.50) | Power and programming cable |
Microcontroller listed first. Prices shown only where known; see the source book for quantities, wiring, and current prices.