A WiFi Modem for 8-bit Home Computers
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Mar 11, 2018 - C++
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max3232
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Various examples for DOIT ESP32 DEVKIT V1 using Arduino IDE and TinyGo.
example esp32 arduino-ide led fritzing pinout serial-port ch340 max3232 uln2803a tinygo ssr-relay doit-esp32-devkit-v1
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Aug 30, 2024 - Go
A guide on connecting and using the T7-US Thermal Printer (RS232 version) with a RPi using a MAX3232 RS232-to-TTL converter.
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Mar 31, 2025
Wi-Fi firmware for classic Pro-Lite LED marquee signs. A small Wi-Fi MCU + MAX3232 bridges the sign's native <ID01> RS-232 protocol to MQTT, an HTTP API, and a phone-friendly web UI with presets and OTA. Turns a 20-year-old scrolling sign into a networked marquee — no vendor software, no IR remote.
mqtt iot esp8266 home-assistant marquee rs232 wemos-d1-mini max3232 led-marquee arduino-esp8266 led-sign pro-lite
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Jul 2, 2026 - C++
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