echo
rh1tech
Echo: ESP32-Based VGA Board
Components (62)
| Reference | Value | Description |
|---|---|---|
| Q1,Q2 | BSS138 | 0.1A Ic, 45V Vce, NPN Transistor, SOT-23 |
| Q3,Q4,Q7,Q8 | AO3400A | 30V Vds, 5.7A Id, N-Channel MOSFET, SOT-23 |
| Q5,Q6 | BC850 | 0.1A Ic, 45V Vce, NPN Transistor, SOT-23 |
| U1 | SN74CBT3257CDR | |
| U2 | CH340C | |
| U3 | NCP1117 3.3 | |
| U4,U5 | USBLC6-2SC6 | Very low capacitance ESD protection diode, 2 data-line, SOT-23-6 |
| U6 | ESP32-WROVER-E | ESP32-WROVER-E and ESP32-WROVER-IE are two powerful, generic WiFi-BT-BLE MCU modules that target a wide variety of applications, ranging from low-power sensor networks to the most demanding tasks, such as voice encoding, music streaming and MP3 decoding. ESP32-WROVER-E comes with a PCB antenna, and ESP32-WROVER-IE with an IPEX antenna. They both featurea 4 MB external SPI flash and an additional 8 MB SPI Pseudo static RAM (PSRAM). |
| U7 | AMS1117-3.3 | 1A Low Dropout regulator, positive, 3.3V fixed output, SOT-223 |
| U8 | AMS1117-1.8 | 1A Low Dropout regulator, positive, 1.8V fixed output, SOT-223 |
| U9 | MS9288A | |
| U10 | W25Q128JVSIQ | 128Mb Serial Flash Memory, Standard/Dual/Quad SPI, SOIC-8 |
| U11 | RP2040 | |
| U12 | MW7211A | |
| U13 | TS3USB221RSER | High-Speed USB 2.0 1:2 Multiplexer/Demultiplexer Switch with Single Enable, UQFN-10 |
| AJ1,J6 | PJ-320D | |
| C1,C4,C9,C10,C12-C18,C22,C23,C38,C41-C52,C55,C58,C62 | 100n | Unpolarized capacitor,Unpolarized capacitor, small symbol |
| C2,C3,C21,C25,C36,C37,C53,C54 | 1u | Unpolarized capacitor |
| C5-C8,C11,C19,C20,C24,C27,C39,C59,C60 | 10u | Unpolarized capacitor |
| C26 | 1n | Unpolarized capacitor |
| C28,C30,C32 | 220n | |
| C29,C31,C33,C61 | 4.7u | Unpolarized capacitor, small symbol |
| C34,C35,C56,C57 | 15p | Unpolarized capacitor |
| C40 | 33n | |
| D1 | 1N5819WS | Schottky diode |
| D2 | 1N4148 | Diode |
| FB1,FB2 | 220R | Ferrite bead |
| J1,J2 | USB4215-03-A | |
| J3,J7 | MDC-036 | |
| J4 | DC3RX19JA2 | |
| J5 | 0475710001 | Memory Card Connectors ASSY FOR TFR HEADER HEADER W/DETECT PIN |
| J8 | SS-52100-004 | USB Type A connector, stacked |
| JP2 | VGA AUDIO L | Generic connector, single row, 01x03, script generated |
| JP3 | Main Jumpers | 3x DIP Switch, Single Pole Single Throw (SPST) switch, small symbol |
| LD1 | Orange (TX) | Light emitting diode, small symbol |
| LD2 | Orange (RX) | Light emitting diode, small symbol |
| LD3 | Green | Light emitting diode |
| LD4 | Blue (GPIO25) | Light emitting diode |
| R1-R7,R47,R49,R50,R67 | 10K | |
| R8,R9 | 1.5K | Resistor, small symbol |
| R10,R11 | 2.2K | Resistor, small symbol |
| R12,R15,R18,R21 | 5.1K | Resistor, small symbol |
| R13,R14,R19,R20,R63-R66 | 22R | |
| R16,R22 | 1M | |
| R17,R36,R48,R53,R55,R56 | 1K | Resistor |
| R23,R25,R27 | 806R | Resistor |
| R24,R26,R28 | 402R | Resistor |
| R29-R31 | 75R | Resistor |
| R32,R33,R45,R51 | 100R | Resistor |
| R34,R35 | 2K | |
| R37,R38,R40,R43,R58,R61 | 4.7K | Resistor |
| R39,R41,R42,R44,R57,R59,R60,R62 | 22K | |
| R46 | 150R | |
| R52,R54 | 27R | |
| S1 | RP Reset | |
| S2 | ESP Reset | Push button switch, generic, two pins |
| S3 | ESP Ctrl | Push button switch, generic, two pins |
| S5 | RP Boot | |
| TP1 | MS9288_SCL | test point |
| TP2 | MS9288_SDA | test point |
| X1 | 24.576 MHz | 12MHz Surface Mount Crystal 20pF ±10ppm ±20ppm SMD3225-4P Crystals ROHS |
| Y1 | 12 MHz | ABM8-272-T3 |