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I want to add a very small motor to U1 so I can put some wheels on it, how can I...

nico

@copilot how do I connect U4 to U1?

copilot

To connect the motor driver L298N (U4) to the XIAO ESP32S3 (U1), we need to connect the control pins of the L298N to the GPIO pins of the XIAO ESP32S3.

Assumptions:

You want to control one motor (M1) connected to the L298N using the XIAO ESP32S3.
You will provide power to the L298N from an external source connected to the VS pin.
The motor control will use the IN1, IN2, ENA pins for one motor driver channel of the L298N.

Here are the required connections:

Motor Connections:
- Connect $U4:OUT1$ to $M1:+$
- Connect $U4:OUT2$ to $M1:-$
Control Connections:
- Connect $U4:IN1$ to $U1:TOUCH1\_GPIO1\_A0\_D0$
- Connect $U4:IN2$ to $U1:TOUCH2\_GPIO2\_A1\_D1$
- Connect $U4:ENA$ to $U1:TOUCH3\_GPIO3\_A2\_D2$
Power and Ground Connections:
- Connect $U4:VS$ to an external power supply (e.g., 12V for the motor).
- Connect $U4:VSS$ to $U1:3V3$ (ensure it's within the voltage tolerance, usually 5V max will be safe for logic level supply).
- Connect $U4:GND$ to $U1:GND$ .

Here is a summarized connection list:

Connect $U4:OUT1$ to $M1:+$
Connect $U4:OUT2$ to $M1:-$
Connect $U4:IN1$ to $U1:TOUCH1\_GPIO1\_A0\_D0$
Connect $U4:IN2$ to $U1:TOUCH2\_GPIO2\_A1\_D1$
Connect $U4:ENA$ to $U1:TOUCH3\_GPIO3\_A2\_D2$
Connect $U4:VS$ to an external power supply.
Connect $U4:VSS$ to $U1:3V3$
Connect $U4:GND$ to $U1:GND$

nico

@copilot How do I connect M1 to u4?

copilot

To connect M1 to U4 (the L298N motor driver), follow these steps:

Motor Power Output Connections:
- Connect U4:OUT1 to M1:1.
- Connect U4:OUT2 to M1:2.
Power Ground Connection:
- Ensure that the ground (GND) of the system is common across all components. Connect U4:GND to the system ground.

These connections will allow the L298N to control the motor's direction and speed.

nico

How do I connect M1 to u4?

nico

@copilot I want to add a very small motor to U1 so I can put some wheels on it, how can I do that? What parts do I need?

copilot

To add a small motor to your XIAO ESP32-S3 Sense (U1) and control it, you'll need a motor driver and a small DC motor. Here are the parts and steps needed:

Components

Small DC Motor: A basic small DC motor that fits your mechanical design requirements.
Motor Driver IC: A motor driver such as the L298N or DR8833 can be used to interface the motor with the ESP32-S3.
External Power Supply: If the motor requires more power than the 3.3V or 5V line can supply, you'll need an external power source.

Connections

Assuming you are using a DR8833 as the motor driver:

Connect the Outputs:
- Motor 1: Connect the positive and negative terminals of the first motor to the OUT1 and OUT2 pins of the DR8833 driver.
- Motor 2: If you have a second motor, connect its terminals to the OUT3 and OUT4 pins of the DR8833 driver.
Connect Power and Ground:
- Connect VCC of the DR8833 to the 5V pin of your ESP32-S3 board ($U1$).
- Connect GND of the DR8833 to GND pin of your ESP32-S3 board ($U1:13$).
Connect Control Pins:
- Connect one input pin to a GPIO pin for AIN1. For example, we can use GPIO43_TX_D6:
  - Connect U1:7 to DR8833:AIN1.
- Connect the second input pin to another GPIO pin for AIN2. For example, we can use GPIO44_RX:
  - Connect U1:8 to DR8833:AIN2.

Additional steps involve writing the appropriate software to control the motor through these GPIO pins.

Suggested Connections

Connect DR8833:OUT1 and DR8833:OUT2 to your motor terminals.
Connect $U1:14$ to DR8833:VCC.
Connect $U1:13$ to DR8833:GND.
Connect $U1:7$ to DR8833:AIN1.
Connect $U1:8$ to `DR8833:AIN2$.

If you use a different motor driver, the connections may vary slightly, but the overall process will be similar. Let me know if you need further details or adjustments on this setup!

I want to add an RGB LED to U1, what components do I need? @copilot

nico

@copilot can you check if the pins on U1 can create enough current to drive LED1?

copilot

To determine whether the pins on

U1

can drive

LED1

, we need to consider the electrical characteristics of both components.

Key Points:

ESP32-S3 ( $U1$ ) Specifications:
- The default drive strength for GPIO pins on the ESP32-S3 is 20 mA.
WS2812B-B LED ( $LED1$ ) Specifications:
- The maximum current draw for a single WS2812B LED is around 60 mA when all color channels (Red, Green, Blue) are fully on (each channel drawing approximately 20 mA).

Given that the ESP32-S3 GPIO pins can supply 20 mA, they will not be able to drive the WS2812B LED directly if it's fully on.

Potential Solutions:

Use a Driver Circuit:
- Utilize a MOSFET or a dedicated LED driver IC to amplify the current provided to the LED.
Power the LEDs with an External Power Supply:
- Connect the LEDs directly to a power supply (5V) and use the GPIO pins to control the data input.

Would you like guidance on implementing one of these solutions, or do you have another approach in mind?

nico

I want to add an RGB LED to U1, what components do I need? @copilot

copilot

To add an RGB LED to your XIAO ESP32S3 device (113991115), you will need the following components:

RGB LED: A common anode or common cathode RGB LED.
Current-limiting resistors: Considering the forward voltage and current requirements of your RGB LED.
Optional: Transistors/MOSFETs: If the GPIO pins can't source enough current.

Example Components

RGB LED: WS2812B (built-in driver, single-wire protocol) or Common Anode (Common Cathode) RGB LED.
Resistors: Typically, you'd need three 330Ω resistors (one for each of the color channels: Red, Green, and Blue).
Transistors/MOSFETs: Optional if using high-power LEDs.

Connections (assuming a common anode RGB LED):

Anode connection: Connect the common anode (long leg) of the RGB LED to $U1:5V$ .
Red LED:
- Connect Resistor (330Ω) to the Red pin of RGB LED.
- Connect the other end of the Resistor to $U1:TOUCH1\_GPIO1\_A0\_D0$ .
Green LED:
- Connect Resistor (330Ω) to the Green pin of RGB LED.
- Connect the other end of the Resistor to $U1:TOUCH2\_GPIO2\_A1\_D1$ .
Blue LED:
- Connect Resistor (330Ω) to the Blue pin of RGB LED.
- Connect the other end of the Resistor to $U1:TOUCH3\_GPIO3\_A2\_D2$ .

Summary of Connections:

Connect the common anode pin of the RGB LED to $U1:5V$ .
Connect the Red LED pin to the 330Ω resistor, and then to $U1:TOUCH1\_GPIO1\_A0\_D0$ .
Connect the Green LED pin to the 330Ω resistor, and then to $U1:TOUCH2\_GPIO2\_A1\_D1$ .
Connect the Blue LED pin to the 330Ω resistor, and then to $U1:TOUCH3\_GPIO3\_A2\_D2$ .

Please confirm if these assumptions suit your project or if you have any specific requirements, such as a different LED type or additional functionality.

U4 OUT1 - M1 +

U4 IN2 - U1 TOUCH2_GPIO2_A1_D1

U4 ENA - U1 TOUCH3_GPIO3_A2_D2

U4 VSS - U1 3V3

Resistance

500 Ω

U4 ENA - U1 TOUCH3_GPIO3_A2_D2

U4 IN2 - U1 TOUCH2_GPIO2_A1_D1

LED1

U4 IN1 - U1 TOUCH1_GPIO1_A0_D0

U4 VSS - U1 3V3

Resistance

500 Ω

Resistance

500 Ω

U4 OUT2 - M1 -

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Manufacturing

Manufacturer Part Number • 4

	Designator	MPN
	M1	None
	R1	None
	R2	None
	R3	None

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Ground
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jharwinbarrozo
20.5M
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Wirelessly connects nets on schematic. Used to organize schematics and separate functional blocks. To wirelessly connect net portals, give them same designator. #portal
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43.0M
Power Net Portal
Wirelessly connects power nets on schematic. Identical to the net portal, but with a power symbol. Used to organize schematics and separate functional blocks. To wirelessly connect power net portals, give them the same designator. #portal #power
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11.4M
Generic Resistor
A generic fixed resistor for rapid developing circuit topology. Save precious design time by seamlessly add more information to this part (value, footprint, etc.) as it becomes available. Standard resistor values: 1.0Ω 10Ω 100Ω 1.0kΩ 10kΩ 100kΩ 1.0MΩ 1.1Ω 11Ω 110Ω 1.1kΩ 11kΩ 110kΩ 1.1MΩ 1.2Ω 12Ω 120Ω 1.2kΩ 12kΩ 120kΩ 1.2MΩ 1.3Ω 13Ω 130Ω 1.3kΩ 13kΩ 130kΩ 1.3MΩ 1.5Ω 15Ω 150Ω 1.5kΩ 15kΩ 150kΩ 1.5MΩ 1.6Ω 16Ω 160Ω 1.6kΩ 16kΩ 160kΩ 1.6MΩ 1.8Ω 18Ω 180Ω 1.8KΩ 18kΩ 180kΩ 1.8MΩ 2.0Ω 20Ω 200Ω 2.0kΩ 20kΩ 200kΩ 2.0MΩ 2.2Ω 22Ω 220Ω 2.2kΩ 22kΩ 220kΩ 2.2MΩ 2.4Ω 24Ω 240Ω 2.4kΩ 24kΩ 240kΩ 2.4MΩ 2.7Ω 27Ω 270Ω 2.7kΩ 27kΩ 270kΩ 2.7MΩ 3.0Ω 30Ω 300Ω 3.0KΩ 30KΩ 300KΩ 3.0MΩ 3.3Ω 33Ω 330Ω 3.3kΩ 33kΩ 330kΩ 3.3MΩ 3.6Ω 36Ω 360Ω 3.6kΩ 36kΩ 360kΩ 3.6MΩ 3.9Ω 39Ω 390Ω 3.9kΩ 39kΩ 390kΩ 3.9MΩ 4.3Ω 43Ω 430Ω 4.3kΩ 43KΩ 430KΩ 4.3MΩ 4.7Ω 47Ω 470Ω 4.7kΩ 47kΩ 470kΩ 4.7MΩ 5.1Ω 51Ω 510Ω 5.1kΩ 51kΩ 510kΩ 5.1MΩ 5.6Ω 56Ω 560Ω 5.6kΩ 56kΩ 560kΩ 5.6MΩ 6.2Ω 62Ω 620Ω 6.2kΩ 62KΩ 620KΩ 6.2MΩ 6.8Ω 68Ω 680Ω 6.8kΩ 68kΩ 680kΩ 6.8MΩ 7.5Ω 75Ω 750Ω 7.5kΩ 75kΩ 750kΩ 7.5MΩ 8.2Ω 82Ω 820Ω 8.2kΩ 82kΩ 820kΩ 8.2MΩ 9.1Ω 91Ω 910Ω 9.1kΩ 91kΩ 910kΩ 9.1MΩ #generics #CommonPartsLibrary
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1.5M
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 10,000uF 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 20pF 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
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1.5M
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15.1k
Terminal
An electrical connector acting as reusable interface to a conductor and creating a point where external circuits can be connected.
natarius
RMCF0805JT47K0
47 kOhms ±5% 0.125W, 1/8W Chip Resistor 0805 (2012 Metric) Automotive AEC-Q200 Thick Film #forLedBlink
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1.2M
875105359001
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1.2M
CTL1206FYW1T
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1.1M

Inspect

Toy

Controls

Properties

Availability & Pricing

Distributor		Qty 1
	Arrow	$22.09
	Digi-Key	$25.19
	LCSC	$1.07–$2.93
	Mouser	$24.73
	Verical	$20.63–$22.09

Assets

AS2317 3-4S Long Shaft 3D Trainer Airplane Brushless Motor.stp

id=AS2317 3-4S Long Shaft 3D Trainer Airplane Brushless Motor

Thumbnail

Untitled.png

id=Untitled

3d Model

BetaFPV 0802SE.step

id=BetaFPV 0802SE

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