ESP32MP3
GiacoBot
An ESP32-based Bluetooth A2DP MP3 player that reads audio files from a microSD card and transmits them to wireless headphones or speakers
Components (31)
| Reference | Value | Description |
|---|---|---|
| Q1,Q2 | SS8050 | General Purpose NPN Transistor, 1.5A Ic, 25V Vce, SOT-23 |
| U1 | BQ21040DBV | Single cell, 0.8A Li-Ion/Li-Po linear charge management controller, up to 30V input, 4.2V charge voltage, Open-Drain Status Output, Temperature sense input, SOT-23-6 |
| U2 | TPS63900 | Buck-Boost Converter, 1.8-5.5V Input Voltage, 0.4A Switch Current, Adjustable 1.8-5V Output Voltage, WSON-10 |
| U3 | ESP32-WROOM-32E-R2 | RF Module, ESP32-D0WDR2-V3 SoC, with 2MB PSRAM, Wi-Fi 802.11b/g/n, Bluetooth, BLE, 32-bit, 2.7-3.6V, onboard antenna, SMD |
| U4 | CH340K | USB serial converter, UART, SSOP-10 |
| U5 | USBLC6-2SC6 | Very low capacitance ESD protection diode, 2 data-line, SOT-23-6 |
| BT1 | 974058 li-Ion | Single-cell battery |
| C1,C14,L1 | 2u2 | Inductor, small symbol,Unpolarized capacitor, small symbol |
| C2-C4 | 22u | Unpolarized capacitor, small symbol |
| C5-C10,C15-C19 | 100n | Unpolarized capacitor, small symbol |
| C11,C12 | 1u | Unpolarized capacitor, small symbol |
| C13 | 4u7 | Unpolarized capacitor, small symbol |
| D1 | LED | Light emitting diode |
| DS1 | N096-2864KSWEG01-H30 | OLED display 128x64 |
| J1 | USB_C_Receptacle_USB2.0_16P | USB 2.0-only 16P Type-C Receptacle connector |
| J2 | Micro_SD_Card_Det1 | Micro SD Card Socket with one card detection pin |
| R1,R2 | 0R | Resistor, small symbol |
| R3 | 675R | Resistor, small symbol |
| R4,R7-R9,R13-R17 | 10k | Resistor, small symbol |
| R5 | 270R | Resistor, small symbol |
| R6 | 36k5 | Resistor, small symbol |
| R10,R11 | 5k1 | Resistor, small symbol |
| R12 | 910k | Resistor, small symbol |
| SW1 | SW_SPDT | Switch, single pole double throw |
| SW2 | EN | Single Pole Single Throw (SPST) switch |
| SW3 | BOOT | Single Pole Single Throw (SPST) switch |
| SW4 | LEFT | Push button switch, generic, symbol, four pins |
| SW5 | UP | Push button switch, generic, symbol, four pins |
| SW6 | ENTER | Push button switch, generic, symbol, four pins |
| SW7 | DOWN | Push button switch, generic, symbol, four pins |
| SW8 | RIGHT | Push button switch, generic, symbol, four pins |