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Potentiometer cleaning
There are many applications for potentiometers, including volume and tone control in audio equipment, brightness and contrast control in televisions and monitors
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GWeatherstation
Weather station monitor system to monitor temperatures in many rooms or buildings and display all changes in temperature and air pressure in one web page that can be monitored easily from a browser.
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ili9341 SPI TFT screen on buster
Just recently bought this cheap ili9341 spi tft lcd from online store and want to test it whether it’s working or not.
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Temperature sensor for Home Assistant
It’s really a tiny sensor with low-cost sensing solution for measuring barometric pressure and temperature. Because pressure changes with altitude this can also be use as an altimeter.
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Real time clock module
The RTC also useful to keep track the system time clock during power outage or intermittent power supply where the time is critical especially for transaction application.
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Laundrowallet
It’s build from Wemos D1 mini with esp12F chipset and an ssd1306 OLED display for the status display and RC522 RFID card reader as an input.
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