RS-232 level-shifter breakout with a soldered DE-9 male connector and MAX3243 transceiver, exposing all data and hardware flow-control lines plus Valid and Off signals. Compatible with 3 V to 5 V microcontrollers.
| Pin | Type |
|---|---|
| Vin | Power |
| GND | Ground |
| TX | UART |
| RX | UART |
| RI | Control |
| CTS | UART |
| RTS | UART |
| DSR | Control |
| DTR | Control |
| DCD | Control |
| OFF | Control |
| VLD | Unknown |
| DE-9 connector | Unknown |
Ethernet · UART · SPI · Shield
Verify supply voltage and logic levels before powering up.
Module pins: Vin, GND, TX, RX. Schematik maps them to your board in the app.
W5100/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.
8-Channel Isolated Analog Data Acquisition Module visual preview8-Channel Isolated Analog Data Acquisition Module
96Boards UART Adapter visual preview96Boards UART Adapter
Adafruit RS-232 Full Pinout Level-Shifter Breakout visual previewAdafruit RS-232 Full Pinout Level-Shifter Breakout
Adafruit RS232 Pal - Two Channel UART to RS-232 Level Shifters visual previewAdafruit RS232 Pal - Two Channel UART to RS-232 Level Shifters
APC802 Radio Communication Module (2800 meters) visual previewAPC802 Radio Communication Module (2800 meters)
Arduino Ethernet Shield R3 with micro SD connector - Assembled visual previewArduino Ethernet Shield R3 with micro SD connector - Assembled
Arduino Ethernet with PoE Module visual previewArduino Ethernet with PoE Module
Arduino Opta Lite Micro PLC (Ethernet and USB-C ports) visual previewArduino Opta Lite Micro PLC (Ethernet and USB-C ports)
Arduino Opta RS485 Micro PLC (Ethernet, USB-C, RS-485) visual previewArduino Opta RS485 Micro PLC (Ethernet, USB-C, RS-485)
Arduino Yún visual previewArduino Yún
Base26 Proto Industrial Board Module visual previewBase26 Proto Industrial Board Module
Breakout for LinkIt Smart 7688 v2.0 visual previewBreakout for LinkIt Smart 7688 v2.0
2.4 GHz Bluetooth Low Energy 4.0 Module V-13051 (-4 dBi) visual previewBLE 5-era modules (nRF52840, MDBT50Q), XIAO MG24 boards with Matter-over-Thread, Bluefruit UART/SPI bridges, HM-11 serial modules, and BLE sniffers cover different jobs and different hosts.
Wireless & comms · Bluetooth modules · 71 parts
600-6000MHz 5G Antenna visual previewAdafruit FONA GSM breakouts, the Gravity Air780EU 4G Cat 1 module, Dragino NB-IoT Shield-B8, Pycom FiPy, Quectel and SIMCom M.2 5G modems, and the RockBLOCK 9603 Iridium modem each target a different network tier.
Wireless & comms · Cellular · 58 parts
4G GNSS-RTK High Precision Positioning Kit (EMEA & Thailand, GPS / GLONASS / Galileo / BDS / QZSS) visual previewAdafruit Ultimate GPS (PA1616S/PA1616D), NEO-6M and NEO-M9N u-blox breakouts, Gravity GNSS BeiDou boards with I2C/UART, and 4G or LoRa RTK kits — accuracy and constellation requirements split them.
Wireless & comms · GNSS & GPS · 68 parts
2mm 10-Pin XBee Header visual previewRFM95W and SX1262 LoRa transceivers, Wio-E5 LoRaWAN modules, SX1302 gateways, Digi XBee mesh radios, 433 MHz ASK serial links, Dragino IoT sensor nodes, and the SDRplay RSP2 wideband SDR receiver.
Wireless & comms · LoRa & RF modules · 94 parts