David Johnson-Davies @ technoblogy.com build a four-channel thermometer that monitors the temperature at four temperature sensors, and gives a continuous readout on a small 128×32 OLED display. It’s a useful project for various applications like PSU or PC monitoring. The article describes 1-wire and code in details.
It could be used in any application where you want to monitor multiple temperatures, such as in controlling a greenhouse, checking the output transistors in a power amplifier, monitoring key points in an overclocked gaming PC, monitoring the chips on a Raspberry Pi, or checking the temperature in different rooms in a home.
Four-Channel Thermometer on OLED display – [Link]
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