mcu-coin
Niich
info about coin design and firmware
Components (41)
| Reference | Value | Description |
|---|---|---|
| Q1,Q4,Q5 | Q_PMOS_GSD | |
| Q2,Q3 | Q_NPN_BEC | |
| U1 | USB_B_Micro | |
| U2 | TX4310-3V3 | |
| U3 | LTC4054ES5-4.2 | |
| U4 | BQ51013BRHLR | |
| U5 | ESP32-C3FH4 | |
| AE1 | PCB_ANTENNA | |
| Ant_Ground1-Ant_Ground3 | Antenna Ground | |
| Ant_Signal1 | Antenna Signal | |
| BAT+1 | +BATT | |
| BAT-1 | -BATT | |
| C1,C3 | 20p | |
| C2,C5 | 15p | |
| C4,C6,C21,C23,C? | 1u | |
| C7 | 33nF | |
| C8,C35 | 2.2p | |
| C9 | 100nF | |
| C10,C12,C14,C22,C25,C31,C32,C39,C40 | 10u | |
| C11,C13 | 3.3nF | |
| C15-C18,C20,C30 | 22n | |
| C19,C24,C26-C29 | 0.1u | |
| C33,C37,C38,R1,R7,R34 | DNP | |
| C34,C36 | 1p | |
| D1-D7 | WS2812B | |
| D8 | D | |
| H1-H3,H5,H6,H8 | MountingHole | |
| J1 | ipex4 | |
| L1,L2 | 2.2nH | |
| L3 | 15.3uH | |
| L4 | SHORT | |
| R2,R18,R19 | 1k | |
| R3-R5,R8,R10,R15,R20,R24,R25,R27,R31 | 10k | |
| R6,R9,R11,R12 | 51R | |
| R13,R14,R16,R17,R28,R29 | 200k | |
| R21-R23,R30 | 100K | |
| R26 | 1M | |
| R32,R33 | 200R | |
| SW1,SW2 | EVQ-P7A01P | |
| Y1 | 40MHz | |
| Y2 | 32.768kHz |