24 lines
786 B
Markdown
24 lines
786 B
Markdown
# Thermo Printer Interface / Remote Control
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## Overview
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This is about a device that can be called by WLAN / TCP/IP and prints on a cheap thermo printer using paper rolls.
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Hardware used:
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- ESP-CPU:
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-- Wemos ESP32 LoLin (any ESP32 should work), we are using UART1 (GPIO26=Tx)
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-- Wemos ESP8266 (any should work), we are using UART1 Tx only (GPIO2=Tx)
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- GOOJPRT QR204 Micro Embedded Printer with RS232/TTL and USB-Interface
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-- TX, RX, GND connected to ESP32
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-- POWER connected to seperate power supply (+5V/GND)
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## How to install this app
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- Install and start [mos tool](https://mongoose-os.com/software.html)
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- Switch to the Project page, find and import this app, build and flash it:
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<p align="center">
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<img src="https://mongoose-os.com/images/app1.gif" width="75%">
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</p>
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