Reference: RBD-2176

SX1262 LoRa Module 868MHz 915MHz RF 30dBm Long Distance 10km Transceiver Receiver SMA-K Interface Module

1 review

LoRa module based on Semtech SX1262 RF chip Supports automatic relay networking Long transmission distance up to 10 km Low power consumption Small size

Reference: RBD-2218

WT588D Audio Wi-Fi Receiver Voice Sound Audio Player Module

Module package (with FLASH memory and peripheral circuits) have DIP16, DIP28, chip packaging has DIP18, SSOP20, and LQFP32 form. Built 13Bit/DA converter, and 12Bit/PWM output. PWM output can directly drive 0.5W/8Ω speakers, push-pull current abundant support DAC / PWM output of two ways. Support for loading WAV audio formats. USB download mode, support...

Reference: RBD-2268

ESP32 V1.3 Dev Board CH340C NodeMCU-32

4 reviews

Features WiFi+Bluetooth connectivity with the ESP-WROOM-32 module Accessible I/O pins via extension headers for easy customization Onboard USB CH340 for convenient programming and debugging 2x keys for reset or user-defined functions ESP32S-DEV development board is a cost-effective solution for a wide range of applications.A high-quality USB cable is...

Reference: RBD-2379

FREENOVE ESP32-S3-WROOM Camera Board Arduino Compatible

FREENOVE ESP32-S3-WROOM CAM Board (Compatible with Arduino IDE), Onboard Camera Wireless, Python C Code, Detailed Tutorial, Example Projects ESP32-S3-WROOM -> A powerful and small controller with onboard camera and wireless. 1GB Memory Card -> Can be inserted into the ESP32-S3 board to store files. (Included in this kit.) 2 tutorials with...

Reference: RBD-2488

W5100 Ethernet Network Module for Arduino

1 review

Support Hardwired TCP/IP Protocols: TCP, UDP, ICMP, IPv4 ARP, IGMP, PPPoE, Ethernet 10BaseT/100BaseTX Ethernet PHY embedded Auto-Negotiation (Full-duplex and half duplex) Support Auto MDI/MDIX Simultaneously Supports to 4 independent sockets 0.18 µm CMOS technology 3.3V operation with 5V I/O signal tolerance Provide Serial Peripheral Interface (SPI MODE...

Reference: RBD-2489

Wiznet W5500 Mini Ethernet Network Module

1 review

Wiznet Compact W5500 Network Module - 10/100 Base T WIZ850io is a compact size network module that includes a W5500 (TCP/IP hardwired chip and PHY embedded), a transformer and RJ45. It can be used as a component and no effort is required to interface W5500 and Transformer. The WIZ850io is an ideal option for users who want to develop their Internet...

Reference: RBD-2550

Tuya 7in1 WiFi Air Quality Monitor PM2.5 CO2 TVOC HCHO AQI

This multi-functional air quality monitor offers simultaneous testing for PM2.5, CO2, TVOC, HCHO, AQI, temperature, and humidity. Featuring a 2.8-inch TFT color display, it provides clear and easy-to-read detection data. Additionally, the monitor can be connected to the Tuya App for real-time air quality monitoring and historical data trend analysis...

Reference: RBD-0264

Brand: SparkFun Electronics

Lockitron Mechanical Assembly

Lockitron Mechanical Assembly The Lockitron Mechanical Assembly from SparkFun is a perfect solution for the DIY home automation or Internet of Things (IoT) enthusiast, whether you want to make your life easier by not awkwardly fumbling with keys or add some extra security in your home with three-factor authentication.

Reference: RBD-2065

JQ6500 HW-896 V1.2 Voice Sound MP3 Player Module

Play standard mono or stereo MP3 files Control with buttons Serial communications protocol (JQ6500 Arduino Library available). Power supply 4.2V Speaker power 4 ohms / 3 watts

Reference: RBD-0990

XFS5152CE Speech Synthesis Module TTS Voice Module

Support any Chinese text, English text synthesis, and support for English mixed Support voice codec function, the user can use the chip for direct recording and playback Support speech recognition function, can support the recognition of 30 command words.

Reference: RBD-1039

SIM800L Mini GPRS GSM Module

40 reviews

The module was recycled from a mobile phone so you can say it is used. TTL serial port for serial port, you can link directly to the micro-controller. Don’t need MAX232. Power module automatically boots, homing network. Onboard signal lights all the way. It flashes slowly when there is a signal, it flashes quickly when there is no signal. In recent years...

Reference: RBD-2469

Brass Liquid Solenoid Valve - 12V - 1/2 NPS

Control the flow of fluid using the flow of electrons! This liquid valve would make a great addition to your robotic gardening, aquarium, or pool project. There are two 1/2" (Nominal NPS) outlets. Normally, the valve is closed. When 12VDC is applied to the two terminals, the valve opens and water can flow. Unlike the plastic solenoid valve, this one does...

Reference: RBD-2039

DY-SV5W Audio Playback MP3 Module

Product Name:DY-SV5W Voice Playback Module Product Number:DY-SV5W Work Voltage:DC 5V Working Temperature range:-20℃~85℃ Working Humidity range:0%-95%RH Size :35*35*4.5mm

Reference: RBD-2513

5V Electromagnet - 25 Kg Holding Force - P40/20

Nominal Voltage: 5V DC Current Draw: 0.6 Amps at 5V Holding Force: 25 Kg / 55 lb Approximate Pickup Weight: 5 KgEver wanted to feel like Magneto? Well, now you sort of can! Bring the ferromagnetic objects in the world under your control with an Electromagnet The simplest way to make an electromagnet is to get a solenoid, pass some current through it, and...

Reference: RBD-2514

5V Electromagnet - 10 Kg Holding Force - P30/22

Nominal Voltage: 5V DC Current Draw: 0.6 Amps at 5V Holding Force: 10 Kg / 22 lb Approximate Pickup Weight: 2 Kg / 4 lbEver wanted to feel like Magneto? Well, now you sort of can! Bring the ferromagnetic objects in the world under your control with an Electromagnet The simplest way to make an electromagnet is to get a solenoid, pass some current through...

Reference: RBD-2515

5V Electromagnet - 5 Kg Holding Force - P25/20

Nominal Voltage: 5V DC Current Draw: 0.6 Amps at 5V Holding Force: 5 Kg / 11 lb Approximate Pickup Weight: 1 Kg / 2 lbEver wanted to feel like Magneto? Well, now you sort of can! Bring the ferromagnetic objects in the world under your control with an Electromagnet The simplest way to make an electromagnet is to get a solenoid, pass some current through...

Reference: RBD-2516

5V Electromagnet - 2.5 Kg Holding Force - P20/15

Nominal Voltage: 5V DC Current Draw: 0.6 Amps at 5V Holding Force: 2.5Kg / 5.5lb Approximate Pickup Weight: 0.45 Kg / 1 lbEver wanted to feel like Magneto? Well, now you sort of can! Bring the ferromagnetic objects in the world under your control with an Electromagnet The simplest way to make an electromagnet is to get a solenoid, pass some current...

Reference: RBD-1324

PAM8403 Audio Amplifier Module

3 reviews

Operating voltage: 2.5V-5.5V Maximum output power: 3W x 2 PCB size is about: length 30mm width 22mm overall height after installed is about 16mm Built with switch Potentiometer, can adjust the volume & control power switch freely! Flexible assembly usage.

Reference: RBD-2518

Plastic Water Solenoid Valve - 12V - 1/2" Nominal

1 review

1/2" Nominal NPS Working Pressure: 0.02 Mpa - 0.8 Mpa Working Temperature: 1 ℃ - 75 ℃ Response time (open): ≤ 0.15 sec Response time (close): ≤ 0.3 sec Actuating voltage: 12VDC Actuating life: ≥ 50 million cycles

Reference: RBD-1021

PAM8406 5Wx2 Class D Digital Stereo Audio Power Amplifier Module Board

3 reviews

Operating voltage: 2.5V-5.5V, recommended 5V Speaker Load: 2-8 Ohms Input and Output Connectors: Pins on 0.2" centers Size: 24 x 23 x 105 mm (L x W x H) Net weight: 3g

Reference: RBD-2517

6V Air Valve with 2-pin JST XH Connector

Here's a cool new valve for makers interested in pneumatic systems, hydraulics, inflatables, projects with compressed air, and the like. These air valves, also known by other names like, automatic bleeding valve or air release valve, are typically used to passively release air from a pressurized container.

Reference: RBD-1856

PAM8403 Super Mini Digital Amplifier Board

2 reviews

Dual channel stereo, high output power (3 w + 3 w power @ 5V and 4 ohms load).. Double panel wiring solves crosstalk. Super mini design allows it to be easily placed in a variety of digital products. 3W Output at 10% THD with a 4ΩLoad and 5V Power Supply. Filterless, Low Quiescent Current and Low EMI and Low Noise. Short Circuit Protection and Thermal...

Reference: RBD-2064

SIM800L NEW GPRS GSM Module Core Board Quad-band TTL Serial Port with the antenna

3 reviews

TTL serial port for serial port, you can link directly to the micro-controller. Don’t need MAX232. Power module automatically boots, homing network. Onboard signal lights all the way. It flashes slowly when there is a signal, it flashes quickly when there is no signal. Note: If you want to buy the cheaper recycled SIM800L Module Click here.

Reference: RBD-1962

ESP32-S2-DevKitM-1 Development Board

ESP32-S2-DevKitM-1 Equipped with ESP32-S2-MINI-1 module Easy interfacing Integrates ESP32-S2FH4 chip.  PCB antenna  4 MB SPI flash.

Reference: RBD-2294

JQ6500 V2.1 MP3 Player Module

JQ6500 MP3 Voice sound module can play stereo MP3 files or standard mono audio files. The module has two different modes to operate in; serial communication mode (connecting to a microcontroller) or AD button control mode (module can be controlled with switches).

Reference: RBD-1820

ESP-32S ESP-WROOM-32 Development Board 38P NodeMCU

15 reviews

38 Pin version 2.4GHz Dual-Mode WiFi + Bluetooth Development Board, 38PIN Ultra-Low power consumption works perfectly with the IDE A high-quality USB cable is essential for this board to ensure sufficient current supply; otherwise, your board may not be recognized by the Windows Device Manager. Please avoid using mobile phone cables and instead use the...

Reference: RBD-2307

Stereo Enclosed Speaker 3W 8Ω

1 review

This speaker is a great addition to any audio project where you need 8 ohm impedance and 3W or less of power. We particularly like this speaker as it is small and enclosed for good audio volume and quality. It has a handy JST 2PH input cable to add audio to your displays and other projects (this connector is part of the JST-PH series which is ~2.0mm...

Reference: RBD-2266

ESP32 Dev Board CH340 USB-C

5 reviews

Versatile and powerful development board for IoT and embedded systems projects. USB Type-C port for reversible plug orientation and easy connection to computer or other devices. Built-in Wi-Fi and Bluetooth module for wireless connectivity. Arduino IDE compatibility for easy code writing and uploading. Suitable for a wide range of applications, including...

Reference: RBD-2318

Sound Output Module Speaker Module Microphone Sensor Module Sound Sensor for Arduino

The Speaker module is composed of a power amplifier and a loudspeaker. Sound size can be adjusted by the potentiometer on the circuit board. Enter different frequencies, the speakers produce different tones. Can be carried out by for Arduino encoding and DIY their music box!Product data interfaceusing anti plug,the two sides of the interface are...

Reference: RBD-2541

Brand: DFRobot

Gravity: Voice Recorder Module

This is the latest voice recorder module with integrated record and play functions. Easily record your voice by pressing the record button, speaking and then releasing the button when finished. The module is able to playback 10 seconds in total. Connect an 8Ω 3W speaker or an external active speaker for voice output. The module also has a 3 pin digital...

Reference: RBD-2691

Through-Hole Speaker 15mm diameter - 2kHz range

Compact 15mm speaker for integrating sound into space-constrained projects. 2kHz frequency range suitable for basic audio applications. Through-hole mounting for easy integration with circuit boards. Handles up to 0.5W of power for moderate sound output.

Reference: RBD-2692

PCB Mount Mini Speaker Breadboard-Friendly - 8 Ohm 0.2W

Breadboard-Friendly PCB Mount Mini Speaker - 8 Ohm 0.2W 1.1" (~30mm) diameter speaker with 8 Ohm impedance Perfect for breadboard-based audio projects Durable plastic casing, lightweight design Power handling: Nominal 0.1 Watts, Maximum 0.2 Watts