Power net portal is a special schematic object used to define a power or ground net. Power ports allow you to conveniently indicate a power net at any location in the design. Power nets of the same designator automatically connect throughout your design #portal #power
A generic fixed inductor for rapid developing circuit topology. *You can now change the footprint and 3D model at the top level anytime you want. This is the power of #generics
Sure, I'll list the pins of the Raspberry Pi Pico (U1) with their corresponding numbers, names, and functions. Not all functions are explicitly mentioned in your project description, so I'll assume standard functions based on the Raspberry Pi Pico's datasheet and common usage:
Table
Pin Number
Pin Name
Function
1
GPIO0
General Purpose Input/Output
2
GPIO1
General Purpose Input/Output
3
GND
Ground
4
GPIO2
General Purpose Input/Output
5
GPIO3
General Purpose Input/Output
6
GPIO4
General Purpose Input/Output
7
GPIO5
General Purpose Input/Output
8
GND
Ground
9
GPIO6
General Purpose Input/Output
10
GPIO7
General Purpose Input/Output
11
GPIO8
General Purpose Input/Output
12
GPIO9
General Purpose Input/Output
13
GND
Ground
14
GPIO10
General Purpose Input/Output
15
GPIO11
General Purpose Input/Output
16
GPIO12
General Purpose Input/Output
17
GPIO13
General Purpose Input/Output
18
GND
Ground
19
GPIO14
General Purpose Input/Output
20
GPIO15
General Purpose Input/Output
21
SWCLK
Serial Wire Debug Clock
22
GND
Ground
23
SWDIO
Serial Wire Debug Data Input/Output
24
GPIO16
General Purpose Input/Output
25
GPIO17
General Purpose Input/Output
26
GND
Ground
27
GPIO18
General Purpose Input/Output
28
GPIO19
General Purpose Input/Output
29
GPIO20
General Purpose Input/Output
30
GPIO21
General Purpose Input/Output
31
GND
Ground
32
GPIO22
General Purpose Input/Output
33
RUN
Reset and Run
34
GPIO26_ADC0
General Purpose Input/Output & Analog ADC0
35
GPIO27_ADC1
General Purpose Input/Output & Analog ADC1
36
AGND
Analog Ground
37
GPIO28_ADC2
General Purpose Input/Output & Analog ADC2
38
ADC_VREF
Analog Digital Converter Voltage Reference
39
3V3
3.3V Power Supply
40
3V3_EN
3.3V Power Enable
41
GND
Ground
42
VSYS
System Power Supply
43
VBUS
USB VBUS Power Supply
This table provides a basic understanding of the Raspberry Pi Pico's pins and their general functions, which are essential for designing shields or creating circuits around the Pico.
It seems like you're interested in designing a shield for the Raspberry Pi Pico based on the RP2040 chipset. Since there are no specific requirements or connections mentioned yet, let's start by discussing a few general steps and considerations to create a useful shield.
General Steps for Designing a Raspberry Pi Pico Shield
Identify the Purpose of the Shield: Determine what additional functionalities you want the shield to provide. Common examples include interfacing with sensors, adding wireless communication capabilities, or creating a custom interface for specific applications.
Review the Raspberry Pi Pico Pinout: Familiarize yourself with the GPIO pins and their capabilities. The RP2040 microcontroller provides a wide range of functionalities including UART, SPI, I2C, ADC, PWM, etc. Decide which of these functions you will be utilizing for your shield.
Select Components: Based on the functionalities you want to add, select the necessary components. This could include sensors, communication modules (like Bluetooth or WiFi), motor drivers, etc.
Schematic Design: Begin with designing the schematic in Flux. Here you will define the connections between the Raspberry Pi Pico and the components you've chosen. While designing, consider the following connections:
Power and Ground: Ensure that all components are properly powered.
Communication Interfaces: If you are using SPI, I2C, or UART, make sure to connect the appropriate pins from the Raspberry Pi Pico to your components.
PCB Layout: Once the schematic is complete, you can start laying out the PCB. Keep in mind the physical dimensions of the Raspberry Pi Pico and any components you are using. Be mindful of the routing for communication and power lines to avoid noise and interference.
Prototype and Test: After producing the PCB, assemble a prototype and start testing. Ensure all functions operate as expected and make adjustments to the design if necessary.
Example Connections
If your shield includes an I2C temperature sensor and a UART-based GPS module, here are example connections:
I2C Temperature Sensor:
Connect Sensor:SCL to Pico:GP5 (I2C SCL)
Connect Sensor:SDA to Pico:GP4 (I2C SDA)
Connect Sensor:VCC to Pico:3V3 (Power)
Connect Sensor:GND to Pico:GND (Ground)
UART GPS Module:
Connect GPS:TX to Pico:GP1 (UART RX)
Connect GPS:RX to Pico:GP0 (UART TX)
Connect GPS:VCC to Pico:VBUS (5V Power, assuming the module is 5V tolerant)
Connect GPS:GND to Pico:GND (Ground)
Next Steps
Please specify any specific features or components you'd like to include in your project, and I can help with more detailed connections and considerations.
لإعادة رسم شيلد لـ Raspberry Pi Pico باستخدام Flux، يمكنك اتباع هذه الخطوات التفصيلية مع مراعاة المكونات والوظائف التي تود إضافتها. سأقدم مثالًا عامًا يشمل بعض المكونات الشائعة مثل مستشعر درجة الحرارة عبر I2C ووحدة GPS تعمل بواجهة UART. يمكنك تعديل هذا المثال بناءً على متطلبات مشروعك الخاصة.
1. إعداد مخطط التوصيل (Schematic):أ. الاتصال بمستشعر درجة الحرارة I2C:
التوصيلات:
Connect Sensor:SCL to Pico:GP5 (I2C SCL).
Connect Sensor:SDA to Pico:GP4 (I2C SDA).
Connect Sensor:VCC to Pico:3V3 (Power).
Connect Sensor:GND to Pico:GND (Ground).
ب. الاتصال بوحدة GPS عبر UART:
التوصيلات:
Connect GPS:TX to Pico:GP1 (UART RX).
Connect GPS:RX to Pico:GP0 (UART TX).
Connect GPS:VCC to Pico:VBUS (5V Power), افتراضًا أن الوحدة تتحمل 5V.
Connect GPS:GND to Pico:GND (Ground).
2. تصميم لوحة الدوائر المطبوعة (PCB Layout):
تصميم اللوحة: في هذه المرحلة، تحديد مكان تثبيت Raspberry Pi Pico والمكونات الإضافية على لوحة الدوائر. تأكد من توزيع المكونات بشكل يسهل الوصول إليها ويقلل من تداخل الإشارات.
توجيه الأسلاك (Routing): راعي أن تكون الطرق بين أقطاب الإشارات قصيرة ومباشرة قدر الإمكان، واستخدم التوجيهات المناسبة للقوة والأرضي للحد من التداخلات.
3. البروتوتايب والاختبار:
بعد إنتاج لوحة الدوائر، قم بتجميع نموذج أولي وابدأ في اختباره. تأكد من أن جميع الوظائف تعمل كما هو متوقع. إذا واجهت أي مشاكل، قد تحتاج إلى إجراء تعديلات على التصميم.
4. الاعتبارات العامة:
استهلاك الطاقة: نظرًا لأن Raspberry Pi Pico والمكونات الإضافية سيستهلكون طاقة، تأكد من أن مصدر الطاقة الخاص بك كافٍ لدعم جميع العناصر في مشروعك.
السلامة: تأكد من أن تصميمك يتبع المعايير المتعلقة بالسلامة الكهربائية وحماية الدوائر.
بناءً على المتطلبات المحددة لمشروعك، يمكنك إضافة أو تعديل المكونات والتوصيلات كما ترى ضروريًا. إذا كان لديك أي أسئلة محددة حول أجزاء أو توصيلات معينة، لا تتردد في طرحها!
Hi! I’m copilot. Think of me like an experienced electrical engineer that can help you brainstorm ideas, debug problems, research components, and even make wiring connections for you. Ask me questions like:
@copilot I'm designing a PCB for a medical device that measures heart rate and temperature. Can you give me the list of components I will need?
@copilot How would I connect these parts to make the LED flash at 1kHz?
@copilot can you choose 4 digital pins on the ATMega328P-AU that I have here to use as GPIO given that I am already using some pins for reset, the external clock, UART, and I2C.
Reach me at any time by tagging me on comments or in the chat with my handle, @copilot.
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Passive Components
Resistor Power Rating
Beta
Checks that the power traveling across a given resistor is under its rating with 50% headroom.
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