Elegoo EL-CP-004 120pcs Multicolored Dupont Wire 40pin Male to Female, 40pin Male to Male, 40pin Female to Female Breadboard Jumper Wires Ribbon Cables Kit for arduino

NulSom Inc. Ultra Compact RS232 to TTL Converter with Male DB9 (3.3V to 5V)

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Product Review

Ultra compact board size:15 x 14 mm, FCC Certified
Male DB9 Connector (RS232)
Supports 3V to 5.5V power supply (***The Rx/Tx logic level is equal to the Vcc-supply.*** Vcc: 3.3V -> Rx/Tx High Logic Level: 3.3V. Vcc: 5V -> Rx/Tx: 5V )
Includes SP3232E [ Please consider NS-TRS232-02 (ASIN: B074BMLM11) for 1.8V or High-speed RS232 communication (up to 1Mbps) ]
4 pin through hole: VCC, GND, Logic out (TX), Logic In (RX) and 2 pin through hole: CTS, RTS

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Elegoo EL-CP-004 120pcs Multicolored Dupont Wire 40pin Male to Female, 40pin Male to Male, 40pin Female to Female Breadboard Jumper Wires Ribbon Cables Kit for arduino