That’s an Arduino wired up to a DHT22 temperature and humidity sensor ($9.95 from The Robot Shop). Using the wiring diagram helpfully provided by Adafruit I connected the DHT22 to the Arduino, with ...

For example, maintaining a steady temperature and keeping moisture at an optimum level can be difficult at times, especially when just starting out. This Arduino grow-op monitoring solution helps ...

For example, maintaining a steady temperature and keeping moisture at an optimum level can be difficult at times, ... Posted in Misc Hacks Tagged arduino, dht22, grow-op, marijuana, weed.

Measures temperature and humidity using the DHT22 sensor. Outputs data via the serial console. Handles errors such as sensor timeouts and checksum mismatches. Easy to set up with minimal wiring. The ...

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