Playground Piano Panel Setup
Thought for 4 mins 5 sec
Here’s a set of support components you’ll need for your RP2354B-based playground piano panel:
Table
| Function | Part |
|---|---|
| Audio amplifier (drives 8 Ω speaker) | LM386N-1/NOPB |
| SMPS inductor (on-chip boost regulator) | SMNR4020-2.2UH |
| Input decoupling cap (VREG_VIN) | GRM21BR61C475KA88L |
| Output decoupling cap (SMPS output) | 10 µF 0402 capacitor |
| Local digital decoupling (DVDD, IOVDD, etc.) | 100 nF 0603 |
| Analog supply decoupling (AVDD, ADC_AVDD) | 1 µF 0603 Capacitor |
| GPIO pull-downs for touch bolts (×13) | CFR-25JB-52-100K |
| SWD programming/debug header | ARM JTAG SWD 10Pin 0.05" Connector |
| D-cell battery holders (6× for 3S2P) | BX0037 (×6) |
| Full-range speaker (8 Ω) | SMS-1508MS-HT-R |
Let me know if you’d like me to add these to your schematic!
Thought for 1 min 36 sec
I can add the following parts to your schematic:
Let me know if you’d like me to apply these changes.
place the components
Thought for 30 sec
I can add these parts to your schematic: