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ESP32 KIT ESP32 Development Board ESP32 WROOM 32 with WiFi and Bluetooth
The ESP32-WROOM-32 development board is a powerful dual-core microcontroller platform with built-in WiFi and Bluetooth, rich GPIO and peripheral support, low-power modes, and flexible programming—making it one of the most versatile boards for IoT and embedded system development.
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Arduino Uno R3
The Arduino Uno R3 is a beginner-friendly 8-bit microcontroller board powered by the ATmega328P, offering reliable performance, simple programming, and versatile I/O capabilities—making it ideal for learning electronics, prototyping, and embedded system development.
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L298N Motor Driver Module
The L298N Motor Driver Module is a dual H-bridge motor controller capable of driving two DC motors or one stepper motor with direction and speed control, offering simple interfacing and reliable performance for robotics and basic automation projects, though with lower efficiency compared to modern drivers.
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Sound Detection Sensor Module LM393
The Sound Detection Sensor Module is a simple microphone-based sensor with adjustable sensitivity that provides digital and analog outputs for detecting sound events, making it ideal for basic audio-triggered and noise-sensing applications in Arduino and IoT projects.
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Tigh-Torque Digital servo motor MG996R
The MG996R high-torque digital servo motor is a durable metal-gear actuator capable of delivering up to 11 kg·cm torque with precise PWM control, making it ideal for robotics, RC systems, and medium-load mechanical applications.
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TT Geared DC Motor with Wheel
A TT geared DC motor with wheel is a 3–6V, low-speed (~150–200 RPM), high-torque (~1 kg·cm) plastic gearbox motor with a 65mm wheel, widely used in small robotic and DIY smart car projects.
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Arduino-compatible PIR (Passive Infrared) Motion Detector Module
The Arduino-compatible PIR motion sensor (HC-SR501) is a low-power, 5–20V infrared motion detector with 3–7m range, adjustable delay and sensitivity, and digital output, widely used for automation and security systems.
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DHT11 Temperature and Humidity Sensor Module
The DHT11 is a low-cost digital temperature and humidity sensor operating at 3–5V, with a 0–50°C and 20–80% RH range, moderate accuracy, and simple single-wire communication ideal for beginner electronics projects.
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Jumper wires (also known as DuPont wires)
Jumper (DuPont) wires are 2.54 mm pitch, low-current (1–3A) insulated copper wires with pre-crimped male/female connectors, widely used for quick, solderless connections in electronic prototyping.
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MQ series gas sensor modules
MQ series gas sensor modules are 5V-powered semiconductor gas detectors with analog and digital outputs, capable of detecting various gases (10–1000 ppm range) using a heated SnO₂ sensing element, offering high sensitivity but low selectivity for low-cost environmental monitoring.
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HC-SR04 ultrasonic distance sensor
The HC-SR04 is a 5V ultrasonic distance sensor with a 2–400 cm range and ±3 mm accuracy, using 40 kHz sound waves and time-of-flight measurement to provide reliable, non-contact distance readings for embedded systems.
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Soil Moisture Sensor and Detector Module YL-69 probe + LM393 module, or similar FC-28 types
A soil moisture sensor module (YL-69/FC-28) is a 3.3–5V conductivity-based sensor with analog and digital outputs that detects soil water levels by measuring resistance between probes, offering simple and low-cost monitoring but with limited long-term durability.
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Analog Water Level Sensor Module (the common PCB-type water level detector used with Arduino/ESP32)
The analog water level sensor module is a 3.3–5V conductivity-based sensor that outputs a proportional analog voltage based on submerged trace area, offering a simple and low-cost solution for basic liquid level detection with limited durability.
Robotics