Breadboard power supply schematic

10,097

An open source power supply based on the LM317, the voltages are switchable using SW2

Breadboard power supply schematic
Breadboard power supply schematic

Parts List

Part Value Device Package Description
C1 100uF CAP_POLPTH1 CPOL-RADIAL-100UF-25V Capacitor Polarized
C2 10uF CAP_POLPTH2 CPOL-RADIAL-10UF-25V Capacitor Polarized
C3 0.1uF CAPPTH2 CAP-PTH-SMALL2 Capacitor
D1 1N4001 DIODEPTH DIODE-0.4 Diode
F1 500mA PTCPTH PTC Resettable Fuse PTC
J1 POWER_JACKPTH POWER_JACKPTH POWER_JACK_PTH Power Jack
JP1 M01PTH 1X01 Header 1
JP2 M01PTH 1X01 Header 1
JP3 M01PTH 1X01 Header 1
JP4 M01PTH 1X01 Header 1
JP5 M02PTH 1X02 Header 2
LED2 Power LED5MM LED5MM
R1 240 RESISTORPTH1 AXIAL-0.3 Resistor
R2 390 RESISTORPTH1 AXIAL-0.3 Resistor
R3 330 RESISTORPTH1 AXIAL-0.3 Resistor
R4 330 RESISTORPTH1 AXIAL-0.3 Resistor
S1 On/Off SWITCH-SPSTPTH SWITCH-SPST SPST Switch
S2 Voltage SWITCH-SPSTPTH SWITCH-SPST SPST Switch
U$1 LOGO-SFESK LOGO-SFESK SFE-LOGO-FLAME Spark Fun Electronics PCB Logo
U1 LM317 V_REG_317SINK TO220-ADJ Voltage Regulator

 

Link

https://github.com/sparkfun/Breadboard_Power_Supply_5V_3.3V

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