BulkyModem
tebl
My significantly more expensive, slightly less capable version of the Zimodem-hardware. Surfing the BBS-world at a blazing 1200 baud (or faster)!
Components (15)
| Reference | Value | Description |
|---|---|---|
| U3 | MAX232 | Dual RS232 driver/receiver, 5V supply, 120kb/s, 0C-70C |
| U6 | 74HCT32 | Quad 2-input OR |
| A1 | ESP32-WROOM-32 | |
| C1,C8 | 100nF | Unpolarized capacitor, small symbol |
| C2-C5 | 1uF | Polarized capacitor, small symbol |
| D1 | TX | Light emitting diode |
| D2 | RX | Light emitting diode |
| D3 | RTS | Light emitting diode |
| D4 | CTS | Light emitting diode |
| D5 | DCD | Light emitting diode |
| D14,D15 | 1N4148 | 100V 0.15A standard switching diode, DO-35 |
| J1 | SD_CARD | Generic connector, single row, 01x06, script generated (kicad-library-utils/schlib/autogen/connector/) |
| J2 | DCE | 9-pin female D-SUB connector |
| R1-R4,R6 | 2k2 | Resistor |
| R5,R18 | 10k | Resistor |