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GitHub - rtek1000/W1209-firmware-modified: Alternative firmware for W1209, W1219, W3230, M2EF, operating as Thermostat or Timer
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Amazon.com: HiLetgo 2pcs W1209 12V DC Digital Temperature Controller Board Micro Digital Thermostat -50-110°C Electronic Temperature Temp Control Module Switch with 10A One-Channel Relay and Waterproof : Industrial & Scientific
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Amazon.com: HiLetgo 2pcs W1209 12V DC Digital Temperature Controller Board Micro Digital Thermostat -50-110°C Electronic Temperature Temp Control Module Switch with 10A One-Channel Relay and Waterproof : Industrial & Scientific
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W1209 12V -50° to 110°C Digital Thermostat Temperature Controller Module Installation and Operating Instructions – Envistia Mall Support
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