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2. Coaxial power connector - Wikipedia

   en.wikipedia.org/wiki/Coaxial_power_connector

   Nokia 2-mm DC Charging Interface Specification [3] 4.65–9.3 V Nokia DC-096 (0.48×2.1 mm on socket side) Nokia AC-3 charger Nokia 2-mm DC Charging Interface, used in Nokia phones and Bluetooth headphones 2.35 0.70 9.5 A EIAJ-01 0–3.15 V Kobiconn 3218-EX Lumberg 1636 01 Kobiconn 0307-EX (inline)

3. DC connector - Wikipedia

   en.wikipedia.org/wiki/DC_connector

   Although the nominal voltage of a 12 V lead acid battery is 12 V DC, when the engine is running the car's battery charging system will bring the system voltage to 13.8 V DC or higher. [10] The possible range of battery voltages from 11–15 V DC must be taken into account by devices attached to the cigar lighter socket.

4. List of Arduino boards and compatible systems - Wikipedia

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

   Cellular phone kit, ADH8066 GSM module, Micro SD slot, 16 key matrix keyboard, LiPo charger and microphone/speaker connectors. WTFDUINO [147] ATmega328P No USB & CH340G Calum Knott "The world needs a more confusing Arduino" Tah [148] ATmega32U4 Yes USB Revealing Hour Creations [149] Stock Arduino Leonardo with a built-in BLE (Bluetooth Low ...

5. Phone connector (audio) - Wikipedia

   en.wikipedia.org/wiki/Phone_connector_(audio)

   The USB Type-C Cable and Connector Specification specifies a mapping from a USB-C jack to a 4-pole TRRS jack, for the use of headsets, and supports both CTIA and OMTP (YD/T 1885–2009) modes. [79] Some devices transparently handle many jack standards, [ 80 ] [ 81 ] and there are hardware implementations of this available as components. [ 82 ]

6. Asus Tinker Board - Wikipedia

   en.wikipedia.org/wiki/Asus_Tinker_Board

   Bluetooth Bluetooth 4.0 + EDR Blutetooth 4.2 + EDR Bluetooth 4.1: Bluetooth 4.2: Bluetooth 5.0 Power Micro-USB; due to Micro-USB power delivery limitations, powering over GPIO is suggested [4] [5] 5V/2.5~3A Micro USB (supports low power voltage detection) 12V - 19V DC-in barrel connector 12-19V via DC barrel power input jack (5.5/2.5 mm)

7. Lightning (connector) - Wikipedia

   en.wikipedia.org/wiki/Lightning_(connector)

   The 2nd generation AirPods Pro was updated to a USB-C charging case and the MagSafe Duo Charger and MagSafe Battery Pack, which used the Lightning connector, were discontinued. [ 19 ] The Lightning connector (used on iPhone 5 until iPhone 14 ) has a technical constraint that limits video output using the Lightning Digital AV HDMI Adapter to a ...

8. Battery charger - Wikipedia

   en.wikipedia.org/wiki/Battery_charger

   A simple charger for Ni–Cd batteries that outputs 300 mA of 12 V DC. A simple charger works by supplying a constant DC or pulsed DC power source to a battery being charged. A simple charger typically does not alter its output based on charging time or the charge on the battery.

9. Quick Charge - Wikipedia

   en.wikipedia.org/wiki/Quick_Charge

   Quick Charge is a proprietary technology that can charge battery-powered devices, primarily mobile phones, at power levels exceeding the 7.5 watts (5 volts at 1.5 amps) supported by the USB BC 1.2 standard, using existing USB cables. The higher voltage available allows more power (watts) to be supplied through wires without excessive heating.