MAX202 RS232 to TTL Converter For Arduino
RS-232 to TTL level converter using the MAX202 chip with a DB9 connector, supporting 300–115200 baud and compatible with 3.3 V and 5 V microcontrollers. Bridges RS-232 serial devices to TTL UART on Arduino and similar boards.
Pinout
- VCCType · Power
- GNDType · Ground
- TXDType · UART
- RXDType · UART
- RS232 TXType · Signal
- RS232 RXType · Signal
| Pin | Type |
|---|---|
| VCC | Power |
| GND | Ground |
| TXD | UART |
| RXD | UART |
| RS232 TX | Signal |
| RS232 RX | Signal |
Pin details
6 connections- VCCPower
- GNDGround
- TXDUART
- RXDUART
- RS232 TXSignal
- RS232 RXSignal
Start wiring
Ethernet · UART · SPI · Shield
Verify supply voltage and logic levels before powering up.
Module pins: VCC, GND, TXD, RXD, RS232 TX, RS232 RX. Schematik maps them to your board in the app.
Wired comms
118 other optionsW5100/W5500 Ethernet shields, LAN8720 RMII PHY boards, MAX3243 RS-232 level shifters, isolated USB-to-RS485 converters, CAN FD bridges, and passive or active PoE injectors and splitters.
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