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DIY electric road roller robot STEM kit
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DIY electric road roller robot STEM kit

DIY electric road roller robot STEM kit for students and hobbyists to learn robotics, electronics, and engineering.

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4 Channel RF Remote Control Module
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4 Channel RF Remote Control Module

4-channel RF remote control module for Arduino, Raspberry Pi, and wireless control of AC/DC devices.

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2 Channel 433MHz RF 12V Relay module with a remote control
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2 Channel 433MHz RF 12V Relay module with a remote control

2-channel 433MHz RF 12V relay module with remote control for Arduino, Raspberry Pi, and wireless AC/DC device control.

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1 CHANNEL 433MHZ RF 12V RELAY
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1 CHANNEL 433MHZ RF 12V RELAY

1-channel 433MHz RF 12V relay module for remote control of AC/DC devices with Arduino, Raspberry Pi, and microcontrollers.

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HW-521 Adjustable Timing Cycle Relay module
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HW-521 Adjustable Timing Cycle Relay module

HW-521 adjustable timing cycle relay module for Arduino, Raspberry Pi, and microcontroller projects with ON/OFF cycle control.

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NE555 Delay Timer Monostable 12V Relay Module
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NE555 Delay Timer Monostable 12V Relay Module

NE555 monostable delay timer 12V relay module for time-delayed switching in Arduino, Raspberry Pi, and DIY projects.

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TN-R-5995 2-channel 12V relay module
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TN-R-5995 2-channel 12V relay module

TN-R-5995 2-channel 12V relay module for Arduino, Raspberry Pi, and microcontroller control of AC/DC devices.

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2 channel 5V relay module
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2 channel 5V relay module

2-channel 5V relay module for Arduino, Raspberry Pi, and microcontroller control of AC/DC devices.

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8-channel 5V relay module with optocoupler
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8-channel 5V relay module with optocoupler

8-channel 5V relay module with optocoupler for Arduino, Raspberry Pi, and microcontroller control of AC/DC devices.

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4-channel 12V relay module with optocoupler isolation
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4-channel 12V relay module with optocoupler isolation

4-channel 12V relay module with optocoupler isolation for Arduino, Raspberry Pi, and microcontroller control of AC/DC devices.

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4-channel 5V optocoupler relay module
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4-channel 5V optocoupler relay module

4-channel 5V optocoupler relay module for Arduino, Raspberry Pi, and microcontroller control of AC/DC devices.

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MB102 Breadboard Power Supply Module (6.5–12V DC to 3.3V / 5V DC)
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MB102 Breadboard Power Supply Module (6.5–12V DC to 3.3V / 5V DC)

MB102 Breadboard Power Supply Module converts 6.5–12V DC input to stable 3.3V and 5V DC outputs. Easily plugs into MB102 breadboards, ideal for Arduino, IoT, and electronics prototyping.

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