2-channel relay, optional Arduino Nano, RTC, and voltage regulator
Description
Update: Added Optional Screw-On Sidecar For Rtc Module, As Well As Lm2596 Voltage Regulator Board. This Is A Mounting Bracket For The 2-Channel Version Of Those Super Common Electro-Magnetic Relays That Are So Nicely Controllable By Microcontrollers Like Arduino Etc. In Fact This Bracket Offers An Optional Side-Car For An Arduino Nano. The Nano Is Mounted Into The Sidecar With Hot Glue, Then The Sidecar Is Screwed To The Main Bracket With #2 X 1/4" Sheetmetal Screws. The Main Bracket Also Uses #2 X 1/4" Screws To Attach The Relay Board. As Usual, Screw Slots (Sized For #6 Sheetmetal Screws) Are Spaced At 0.5Cm Multiples, For Convenient Mounting On Bud Industries Back Panels. We Use This Combo As A Sleep/Power Controller, In Conjunction With The Super Awesome Arduino Low-Power Sleep Library, To Control A Cdma Modem And Various Sensor Electronics, All Running On Solar Power. Every X Minutes, The Arduino Wakes Up And Relay 1 Applies Power To The Modem For About 45 Seconds So It Can "Warm Up" (Find Connection), Then Relay 2 Powers Up The Rest Of The Electronics, Long Enough To Take Readings And Upload Them To Our Cloud Servers At Http://Tools.Valarm.Net - Cool, Right? Yeah, We Could Have Ditched The Whole Relay Board With A Couple Of Ssrs Or Even Transistors. But These Things Are Super Cheap, You Know? Also Very Reliable, Can Handle A Ton Of Power, And Are Ready To Rock Out Of The Box.
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