A very simple breadboard power supply kit that takes power from a DC wall power supply and outputs a selectable 5V or 3.3V regulated voltage.
The .1" headers are mounted on the bottom of the PCB for simple insertion into a breadboard.
Pins labeled VCC and GND plug directly into the power .
The lone pair of pins have no electrical connection but help support the PCB.
There are two pins available within the barrel jack footprint. Any stripped +/- DC supply can be connected instead of the barrel connector. Board has both an On/Off switch and a voltage select switch (3.3V/5V).
Comes as a bag of parts kit and is easily assembled if you can follow the silkscreen indicators and have beginning experience with a soldering iron. You will need to read the resistor bands or use a multimeter to determine the resistor sizes.
【Kit Contains】
●DC Barrel Connector (2.1mm center positive) T
●O-220 Voltage Regulator (LM317 1.5A max current)
●1N4004 Reverse Protection Diode
●100uF 25V Capacitor
●10uF 25V Capacitor
●0.1uF 50V Capacitor
●Red Power LED - High Brightness
●2pcs SPDT Slide Switch
●4pcs 0.1" Header Pins
●2pcs 330 Resistor 1/6W
●390 Resistor 1/6W
●240 Resistor 1/6W
●Bare PCB with Silkscreen Indicators
●PTC resettable fuse
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