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5V, 1.5A LDO voltage regulator with heat sink; 3.3V, 250mA LDO voltage regulator; 6 to 35 V DC power supply; LEDs and voltage regulator can be disabled to safe on current; screw terminal block for power supply; ST1 Sanjay Technologies (sanjaytechnologies.co.in) [57] Yes ATmega328 16 MHz Compatible With Arduino Uno Rev3 - Added features:
8 MHz (3.3V), 16 MHz (5V) Mini 33.0 mm × 17.8 mm [ 1.3 in × 0.7 in ] Six-pin serial header 5 V / 3.3 V 32 1 2 Soldering 14 6 6 August 23, 2008 [45] Designed and manufactured by SparkFun Electronics. UNO R4 Minima Renesas RA4M1 48 MHz Arduino 68.6 mm × 53.3 mm [ 2.7 in × 2.1 in ] USB-C 5 V 256 32 FH 14 6 6 UNO R4 WiFi
The board can be supplied with power either from the DC power jack (7 - 20V), the USB connector (5V), or the VIN pin of the board (7-20V). Supplying voltage via the 5V or 3.3V pins bypasses the regulator, and can damage the board. 3V3: A 3.3 volt supply generated by the on-board regulator. Maximum current draw is 50 mA.
Thus, the cables of a modular power supply must only be used with this particular modular power supply model. Usage with another modular power supply, even if the cable prima facie appear compatible, might result in a wrong pin assignment and thus can lead to damage of connected components by supplying 12V to a 5V or 3.3V pin. [33]
A regulated power supply is an embedded circuit; it converts unregulated AC (alternating current) into a constant DC. With the help of a rectifier it converts AC supply into DC. Its function is to supply a stable voltage (or less often current), to a circuit or device that must be operated within certain power supply limits.
An integrated power supply is one that shares a common printed circuit board with its load. An external power supply, AC adapter or power brick, is a power supply located in the load's AC power cord that plugs into a wall outlet; a wall wart is an external supply integrated with the outlet plug itself. These are popular in consumer electronics ...