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Arduino Nano MQ-7 Sensor: CO Readings and Buzzer Alarm | ShillehTek
Build an Arduino Nano MQ-7 carbon monoxide monitor that streams analog CO readings and can trigger a buzzer alarm for safer trend trackin...
Read articleArduino Uno MCP23017: Add 16 I2C GPIO Pins | ShillehTek
Build an Arduino Uno MCP23017 I2C GPIO expander that adds 16 extra pins, then scale it into a DIN-rail industrial module using ShillehTek...
Read articleArduino Nano TDS Sensor: Display Water PPM on OLED | ShillehTek
Build an Arduino Nano TDS meter using a Gravity-style sensor module and SSD1306 OLED to display live water quality in PPM for fast sample...
Read articleArduino Uno ST7789 Display: Run 240x240 Graphics Demo | ShillehTek
Wire an Arduino Uno to a 1.3 inch ST7789 240x240 IPS TFT over SPI and run the Adafruit GFX demo to jumpstart custom UI screens with Shill...
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