temperature

ESP32 Capacitive Touch Input

ESP32 Capacitive Touch Input Using “Metallic Hole Plugs” for Buttons Using Arduino

https://youtu.be/qQG8SdMgj8I As I was finalizing design decisions for an upcoming ESP32 WiFi Kit 32 based project requiring three button input, one noticeable problem was that the WiFi Kit 32 does not possess a single mechanical pushbutton, yet alone three mechanical buttons, for input. However, the WiFi Kit 32 does have plenty of capacitive touch inputs, …

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Omnik Inverter Off Its Cloud and on My MQTT 1

Omnik Inverter Off It’s Cloud and on My MQTT using Arduino

I have a solar power installation using an Omnik string inverter. Omnik is a China based manufacturer of PV inverters and they make extremely efficient devices. Optionally, you can install a WiFi module to make it “connected”. I am very content with the device, with two notable exceptions. It “phones home” to a China based …

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Arduino Temperature Control (1)

Temperature Control For Kitchen Appliances using Arduino

In this Instructable, I will step through controlling the temperature of most kitchen appliances. As an example, I will use an old Westbend Poppery popcorn maker (aka. coffee roaster), but these same techniques will be applicable to most hot plates, coffee makers, and waffle irons. This instructable puts you at risk of electrocuting or burning …

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