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LoLin V3 NodeMCU12E - I prefer this 3.3V board since it includes 5V VU output from the USB charger to power relays.
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3 |
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17X10 protoboard. I mount the NodeMCU board across two of them. This makes it easy to wire and creates two isolated areas .
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1 |
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4 channel relay
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photoresistor to detect furnace ON LED so no electrical connection between furnace and NodeMCU
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1 |
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telephone jacks and cords for remote sensors
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2 |
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DHT22 temp and humidity sensor - now switched to BME280 see project log
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1 |
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M-M and M-F Dupont wires
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1 |
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Micro USB cable
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5VDC phone charger power supply for NodeMCU and relays
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3 |
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Waterproof Stainless Steel DS18B20 digital temperature sensor
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1 |
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4.7K pull up resistor. Connects yellow data wire to 3.3V on digital temp sensor. Can have multiple temp sensors in parallel on s
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1 |
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DS3231 Real Time Clock board
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1 |
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CR2032 battery for Real Time Clock
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1 |
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MCP23017 16 I/O expander chip. Allows NodeMCU to address up to 128 I/O, 16 per chip. Same 2 I2C I/O as DS3231 RTC.
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2 |
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BME280 Humidity, Temperature and Altitude sensors to replace DHT22s
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1 |
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Fotek 60 amp SSR see project log
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