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2. Current loop - Wikipedia

   en.wikipedia.org/wiki/Current_loop

   To allow the construction of hybrid systems, where the 4–20 mA is generated by the controller, but allows the use of pneumatic valves, a range of current to pressure (I to P) converters are available from manufacturers. These are usually local to the control valve and convert 4–20 mA to 3–15 psi (or 0.2–1.0 bar).

3. Digital current loop interface - Wikipedia

   en.wikipedia.org/wiki/Digital_current_loop_interface

   Older teleprinters used a 60 mA current loop. Later machines, such as the Teletype Model 33, operated on a lower 20 mA current level and most early minicomputers featured a 20 mA current loop interface, with an RS-232 port generally available as a more expensive option. The original IBM PC serial port card had provisions for a 20 mA current ...

4. List of Arduino boards and compatible systems - Wikipedia

   en.wikipedia.org/wiki/List_of_Arduino_boards_and...

   5 V, output of up to 2 A, 3.3 V, 250 mA LDO voltage regulator; Variable Voltage supply of 1.25 V to 29 V, up to 2 A (Vin - 1 V) Reverse polarity and short circuit protection; 1.8" TFT display screen along with 5-way joystick and a pair of potentiometers, slide switch, and tactile.

5. Plugboard - Wikipedia

   en.wikipedia.org/wiki/Plugboard

   A plugboard or control panel (the term used depends on the application area) is an array of jacks or sockets (often called hubs) into which patch cords can be inserted to complete an electrical circuit. Control panels are sometimes used to direct the operation of unit record equipment, cipher machines, and early computers. The array of holes is ...

6. AOL Mail

   mail.aol.com

   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

7. Voltage converter - Wikipedia

   en.wikipedia.org/wiki/Voltage_converter

   In such cases, voltage converters need only be specified to convert any voltage within one range, to a voltage within the other, rather than separate converters being needed for all possible pairs of nominal voltages (110–220, 117–220, 110–230, etc.)

8. 4 Things Our Parents Could Afford That Feel Out of Reach Now

   www.aol.com/4-things-parents-could-afford...

   This article originally appeared on GOBankingRates.com: 4 Things Our Parents Could Afford That Feel Out of Reach Now. Show comments. Advertisement. Advertisement. Holiday Shopping Guides.

9. Head of Anglican Church resigns over handling of child abuse

   www.aol.com/head-anglican-church-resigns-over...

   The Archbishop of Canterbury, Justin Welby, resigned after a review found he and other Anglican Church leaders covered up "prolific and abhorrent" abuse of boys and young men.