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Welcome to Flux

Treat Flux like your intern. Tell it what you'd like to build and it'll get to work. You can also ask it questions, brainstorm ideas, and teach it your preferences. Learn More

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Write I2C initialization code
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U1 OSCI - X1 OSC1
U3 V3 - J4 1
U1 I1P - R19 P1
U1 ~RESET - C22 P1
U1 SDO/UTX - R6 P1
U3 RXD - R9 P2
U3 V3 - J4 1
R9 P1 - U2 PA9
U3 V3 - J4 1
U3 V3 - J4 1
U3 V3 - J4 1
R3 P1 - U2 PB7
U2 PA14 - J4 5
U3 V3 - J4 1
J2 R - R20 P2
U3 V3 - J4 1
J2 T - R19 P2
U2 PA7 - U1 SDI/URX
U2 PA14 - J4 5
U3 V3 - J4 1
U2 PB10 - U1 CF1
U3 V3 - J4 1
U3 V3 - J4 1
R8 P1 - U2 PA10
U2 PA8 - U1 ZX
J3 CC1 - R1 P1
J3 CC2 - R2 P1
U1 VREF - C19 P1
U3 V3 - J4 1
U1 VN - R17 P2
U1 I1N - R20 P1
J3 VBUS__1 - C9 P1
U4 VOUT - U2 VDD
J2 T - R19 P2
R4 P1 - U2 PB6
U2 PB11 - U1 CF2
R9 P1 - U2 PA9
U1 VREF - C19 P1
R4 P1 - U2 PB6
U3 V3 - J4 1
U2 PB3 - J4 6
SW1 4 - J4 3
U1 VP - R18 P2
U3 V3 - J4 1
R18 P1 - C14 P1
U2 BOOT0 - R5 P1
R18 P1 - C14 P1
R18 P1 - C14 P1
U2 PA13 - J4 4
U3 V3 - J4 1
U3 TXD - R8 P2
J3 VBUS__1 - C9 P1
J3 VBUS__1 - C9 P1
U3 V3 - J4 1
R3 P1 - U2 PB7
J2 R - R20 P2
U2 PA13 - J4 4
R8 P1 - U2 PA10
U2 VSSA - U3 GND
U4
C13
Capacitance
33nF
C23 P2 - C24 P2
C8
Capacitance
100nF
C7
Capacitance
100nF
C13 P2 - U1 AGND_2
U2 VSSA - U3 GND
C18
Capacitance
12pF
C17
Capacitance
12pF
C22
Capacitance
100nF
C19
Capacitance
1uF
U2 VSSA - U3 GND
C13 P2 - U1 AGND_2
U2 VSSA - U3 GND
U2 VSSA - U3 GND
C21
Capacitance
1nF
U2 VSSA - U3 GND
C9
Capacitance
10uF
U2 VSSA - U3 GND
U1 AGND_1 - U1 AGND_2
U2 VSSA - U3 GND
C3
Capacitance
100nF
C2
Capacitance
100nF
C1
Capacitance
100nF
J3 SHELL_GND__3 - J2 S
C14
Capacitance
33nF
U2 VSSA - U3 GND
J3 SHELL_GND__3 - J2 S
U2 VSSA - U3 GND
C10
Capacitance
10uF
U2 VSSA - U3 GND
U2 VSSA - U3 GND
C4
Capacitance
100nF
U2 VSSA - U3 GND
C6
Capacitance
100nF
U2 VSSA - U3 GND
U2 VSSA - U3 GND
U2 VSSA - U3 GND
U2 VSSA - U3 GND
U2 VSSA - U3 GND
U2 VSSA - U3 GND
C23 P2 - C24 P2
C5
Capacitance
100nF
U2 VSSA - U3 GND
R8
Resistance
100 Ω
R18
Resistance
1kΩ
J2
R4
Resistance
4.7kΩ
R2
Resistance
5.1kΩ
R1
Resistance
5.1kΩ
R19
Resistance
2.4 Ω
R17
Resistance
1kΩ
R5
Resistance
10kΩ
R7
Resistance
1kΩ
R20
Resistance
2.4 Ω
R6
Resistance
10kΩ
R9
Resistance
100 Ω
J1
OLED1
J4
LED1
Not Recommended for New Designs


  • Generic Inductor
    A generic fixed inductor suitable for rapid circuit topology development. The footprint automatically adapts based on the selected package, supporting standard SMD sizes (e.g., 0402, 0603, 0805) as well as well-known inductor packages such as SDR1806, PA4320, SRN6028, and SRR1260. Standard inductor values: 1.0 nH, 10 nH, 100 nH, 1.0 µH, 10 µH, 100 µH, 1.0 mH 1.2 nH, 12 nH, 120 nH, 1.2 µH, 12 µH, 120 µH, 1.2 mH 1.5 nH, 15 nH, 150 nH, 1.5 µH, 15 µH, 150 µH, 1.5 mH 1.8 nH, 18 nH, 180 nH, 1.8 µH, 18 µH, 180 µH, 1.8 mH 2.2 nH, 22 nH, 220 nH, 2.2 µH, 22 µH, 220 µH, 2.2 mH 2.7 nH, 27 nH, 270 nH, 2.7 µH, 27 µH, 270 µH, 2.7 mH 3.3 nH, 33 nH, 330 nH, 3.3 µH, 33 µH, 330 µH, 3.3 mH 3.9 nH, 39 nH, 390 nH, 3.9 µH, 39 µH, 390 µH, 3.9 mH 4.7 nH, 47 nH, 470 nH, 4.7 µH, 47 µH, 470 µH, 4.7 mH 5.6 nH, 56 nH, 560 nH, 5.6 µH, 56 µH, 560 µH, 5.6 mH 6.8 nH, 68 nH, 680 nH, 6.8 µH, 68 µH, 680 µH, 6.8 mH 8.2 nH, 82 nH, 820 nH, 8.2 µH, 82 µH, 820 µH, 8.2 mH #generics #CommonPartsLibrary
  • Generic Capacitor
    A generic fixed capacitor ideal for rapid circuit topology development. You can choose between polarized and non-polarized types, its symbol and the footprint will automatically adapt based on your selection. Supported options include standard SMD sizes for ceramic capacitors (e.g., 0402, 0603, 0805), SMD sizes for aluminum electrolytic capacitors, and through-hole footprints for polarized capacitors. Save precious design time by seamlessly add more information to this part (value, footprint, etc.) as it becomes available. Standard capacitor values: 1.0pF, 10pF, 100pF, 1000pF, 0.01uF, 0.1uF, 1.0uF, 10uF, 100uF, 1000uF, 10000uF 1.1pF, 11pF, 110pF, 1100pF 1.2pF, 12pF, 120pF, 1200pF 1.3pF, 13pF, 130pF, 1300pF 1.5pF, 15pF, 150pF, 1500pF, 0.015uF, 0.15uF, 1.5uF, 15uF, 150uF, 1500uF 1.6pF, 16pF, 160pF, 1600pF 1.8pF, 18pF, 180pF, 1800pF 2.0pF, 20pF, 200pF, 2000pF 2.2pF, 22pF, 220pF, 2200pF, 0.022uF, 0.22uF, 2.2uF, 22uF, 220uF, 2200uF 2.4pF, 24pF, 240pF, 2400pF 2.7pF, 27pF, 270pF, 2700pF 3.0pF, 30pF, 300pF, 3000pF 3.3pF, 33pF, 330pF, 3300pF, 0.033uF, 0.33uF, 3.3uF, 33uF, 330uF, 3300uF 3.6pF, 36pF, 360pF, 3600pF 3.9pF, 39pF, 390pF, 3900pF 4.3pF, 43pF, 430pF, 4300pF 4.7pF, 47pF, 470pF, 4700pF, 0.047uF, 0.47uF, 4.7uF, 47uF, 470uF, 4700uF 5.1pF, 51pF, 510pF, 5100pF 5.6pF, 56pF, 560pF, 5600pF 6.2pF, 62pF, 620pF, 6200pF 6.8pF, 68pF, 680pF, 6800pF, 0.068uF, 0.68uF, 6.8uF, 68uF, 680uF, 6800uF 7.5pF, 75pF, 750pF, 7500pF 8.2pF, 82pF, 820pF, 8200pF 9.1pF, 91pF, 910pF, 9100pF #generics #CommonPartsLibrary
  • Generic Resistor
    A generic fixed resistor ideal for rapid circuit topology development. Its footprint automatically adapts based on the selected package case code—supporting 0402, 0603, 0805, 1203, and many other standard SMD packages, as well as axial horizontal and vertical configurations. Save precious design time by seamlessly add more information to this part (value, footprint, etc.) as it becomes available. Standard resistor values: 1.0 ohm, 10 ohm, 100 ohm, 1.0k ohm, 10k ohm, 100k ohm, 1.0M ohm 1.1 ohm, 11 ohm, 110 ohm, 1.1k ohm, 11k ohm, 110k ohm, 1.1M ohm 1.2 ohm, 12 ohm, 120 ohm, 1.2k ohm, 12k ohm, 120k ohm, 1.2M ohm 1.3 ohm, 13 ohm, 130 ohm, 1.3k ohm, 13k ohm, 130k ohm, 1.3M ohm 1.5 ohm, 15 ohm, 150 ohm, 1.5k ohm, 15k ohm, 150k ohm, 1.5M ohm 1.6 ohm, 16 ohm, 160 ohm, 1.6k ohm, 16k ohm, 160k ohm, 1.6M ohm 1.8 ohm, 18 ohm, 180 ohm, 1.8K ohm, 18k ohm, 180k ohm, 1.8M ohm 2.0 ohm, 20 ohm, 200 ohm, 2.0k ohm, 20k ohm, 200k ohm, 2.0M ohm 2.2 ohm, 22 ohm, 220 ohm, 2.2k ohm, 22k ohm, 220k ohm, 2.2M ohm 2.4 ohm, 24 ohm, 240 ohm, 2.4k ohm, 24k ohm, 240k ohm, 2.4M ohm 2.7 ohm, 27 ohm, 270 ohm, 2.7k ohm, 27k ohm, 270k ohm, 2.7M ohm 3.0 ohm, 30 ohm, 300 ohm, 3.0K ohm, 30K ohm, 300K ohm, 3.0M ohm 3.3 ohm, 33 ohm, 330 ohm, 3.3k ohm, 33k ohm, 330k ohm, 3.3M ohm 3.6 ohm, 36 ohm, 360 ohm, 3.6k ohm, 36k ohm, 360k ohm, 3.6M ohm 3.9 ohm, 39 ohm, 390 ohm, 3.9k ohm, 39k ohm, 390k ohm, 3.9M ohm 4.3 ohm, 43 ohm, 430 ohm, 4.3k ohm, 43K ohm, 430K ohm, 4.3M ohm 4.7 ohm, 47 ohm, 470 ohm, 4.7k ohm, 47k ohm, 470k ohm, 4.7M ohm 5.1 ohm, 51 ohm, 510 ohm, 5.1k ohm, 51k ohm, 510k ohm, 5.1M ohm 5.6 ohm, 56 ohm, 560 ohm, 5.6k ohm, 56k ohm, 560k ohm, 5.6M ohm 6.2 ohm, 62 ohm, 620 ohm, 6.2k ohm, 62K ohm, 620K ohm, 6.2M ohm 6.8 ohm, 68 ohm, 680 ohm, 6.8k ohm, 68k ohm, 680k ohm, 6.8M ohm 7.5 ohm, 75 ohm, 750 ohm, 7.5k ohm, 75k ohm, 750k ohm, 7.5M ohm 8.2 ohm, 82 ohm, 820 ohm, 8.2k ohm, 82k ohm, 820k ohm, 8.2M ohm 9.1 ohm, 91 ohm, 910 ohm, 9.1k ohm, 91k ohm, 910k ohm, 9.1M ohm #generics #CommonPartsLibrary
  • Ground
    A common return path for electric current. Commonly known as ground.
  • Terminal
    Terminal
    An electrical connector acting as reusable interface to a conductor and creating a point where external circuits can be connected.
  • Net Portal
    Wirelessly connects nets on schematic. Used to organize schematics and separate functional blocks. To wirelessly connect net portals, give them same designator. #portal
  • RMCF0805JT47K0
    General Purpose Thick Film Standard Power and High-Power Chip Resistor 47 kOhms ±5% 0.125W, 1/8W Chip Resistor 0805 (2012 Metric) Automotive AEC-Q200 Thick Film Features: - RMCF – standard power ratings - RMCP – high power ratings - Nickel barrier terminations standard - Power derating from 100% at 70ºC to zero at +155ºC - RoHS compliant, REACH compliant, and halogen free - AEC-Q200 compliant
  • 875105359001
    10 µF 16 V Aluminum - Polymer Capacitors Radial, Can - SMD 30mOhm 2000 Hrs @ 105°C #commonpartslibrary #capacitor #aluminumpolymer #radialcan
  • CTL1206FYW1T
    Yellow 595nm LED Indication - Discrete 1.7V 1206 (3216 Metric)
  • 1070TR
    Battery Holder (Open) Coin, 20.0mm 1 Cell SMD (SMT) Tab bate or batt #forLedBlink

Student Energy Meter

Student Energy Meter thumbnail
Single-phase student energy meter using ATM90E26 metering IC, STM32F103 MCU, OLED display, USB-UART communication, transformer voltage sensing, and SCT013 current sensing. Designed for a 2-layer PCB within 150 mm x 150 mm and a BOM target below 50 EUR.

Properties

Properties describe core aspects of the project.

Pricing & Availability

Distributor

Qty 1

Arrow

$5.31–$9.43

Digi-Key

$10.06–$12.31

LCSC

$8.87–$8.98

Mouser

$11.08

TME

$2.74

Verical

$4.14–$14.54

Controls