RP203 2 Inch Thermal Receipt Printer is a very easy to use Printer with direct UART interface (TTL as well as RS232). The RP203 thermal printer can be interfaced directly to any microcontroller, Arduino, ESP8266, Node MCU, and even with Raspberry Pi. RP203 thermal printer works on a 5 to 9 volts supply and consumes typically 1.5 Ampere current and the peak current is 3 Ampere. We suggest using 5 Volts 3 Ampere SMPS for using this RP203 thermal printer.
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