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When purchasing a product, price is the consumer's primary concern. At present, Stemedu has 197 products for sale. Stemedu products range in price from $5.98 to $48.87, and the average price of all the products is about $17.06. It's affordable for most consumers, and you can feel free to pick your favorite products.

You can confidently purchase Stemedu products from the seller Stemedu. The brand holds an average rating of 4.3, testifying to its excellent reputation.

Stemedu Best Sellers

Last Updated: Jan 12, 2025

Stemedu 8MB Sound Recordable Module Button Control Programmable Voice Chip, MP3 Music Player Kit, USB Downloadable Musical Board for DIY Audio Stuffed Animal Toys Greeting Card Music Box

Digital Voice Recorders

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Recordable sound module has small size and 8MB memory, it can be realized MP3 music playback.

This Stemedu MP3 music recording module is easy to use. It doesn't require any welding skills, downloaded your own MP3 files with USB cable, add music/audio/voice from your computer, and powered it up.

Power supply: 4.5-5V, or 3.7V lithium battery, 8MB sound recordable module comes with an empty AA battery case.

High sound quality recorderable module, ideal for models and crafts, such as Children's Day gift, Mother's Day gift, DIY music box, musical greeting card, Christmas creative gift

How to use: Please install 3PCS AA batteries first (batteries are not included), and click the play button to test, which contains a Chinese song. Windows system: Click on the removable U disk, delete the pre-stored music, and paste your own MP3/WAV music files. IOS system: The sound module needs to be formatted first, for instruction, please see the fifth picture on the left or User Manual (PDF) under the "Product guides and documents"

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Stemedu MP3 Playback Kit Music Voice Recording Module DIY Welcomer Sound Recording Board with Speaker and PIR Infrared Sensor, Support USB Download and TF Card

Digital Voice Recorders

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This is a voice recording module, it can realize MP3 music playback, small size, light weight, simple operation. The best choice for DIY creative gifts.

This MP3 recording module has two storage methods: TF card and USB download. Sound recording board built-in storage space of 4MB, and supports up to 8GB TF card. TF card doesn't include.

5 buttons to control music play/pause, adjust volume. With loop, jog play, single-pass playback.

Audio will be played whenever the human body sensing is triggered. Suitable for public places such as shops, safety experience halls, construction sites, shopping malls, elevators, banks, ATM teller machines, display areas, etc.

Important Tips: 1. Please make sure the Micro USB cable you used is a data cable, othervise this module won't be recognized by your computer. 2. If the sensor does not work, please adjust the sensing distance by rotating the potentiometer on the PIR sensor first.

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Stemedu USB GPS Module GLONASS Beidou GPS Dongle Built-in Ceramic Antenna, Better Than VK-162 VK-172

GPS Antennas

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This GPS module can work with Windows XP, 7, 8 or 10

Work for Raspberry pi and linux no need driver

Plugged it into linux machine, detected as ttyACM0. No additional drivers or configuration required

The default output is the product GPS protocol data. You can test the software or serial commands to modify switch PS / GLONASS protocol data

Stemedu 4pcs 4 Cell AA Battery Holder with ON/Off Switch 6V Plastic Battery Case Holder Case with Cover 4 Slots 1.5V AA Battery Storage Box with Wire Leads

Battery Holders

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4 AA battery holder with switch, 6V (4 x 1.5V) AA case battery storage, stores up to 4 AA batteries

The size of the battery case holder is 70mm x 65mm x 20mm (LxWxH)

Widely compatible with various devices including remotes, toys, cameras, and more to meet your daily needs

This 4 AA battery holder is designed for series connection, providing efficient power supply. It features a secure cover, making it perfect as a battery box with lid, and a switch for safe and convenient use, ideal for a battery holder with switch

The red and black wires are 15cm long, making it easy to connect to various devices to meet your power needs, whether in a solderable battery holder or a portable battery box. Whether for DIY projects or electronic devices, this battery case is the ideal choice for more flexible and efficient battery usage

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Stemedu 5PCS SFM-27 DC 3-24V Alarm Siren Electronic Piezo Active Buzzer, 95dB High Decibel Continuous Beep Speaker for Arduino

Security Horns & Sirens

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Voltage range: Operating voltage 3-24V, rated voltage 12V

Size: Alarm diameter 29mm/ 1.14", height 15mm/ 0.59"

Sound level: Produces continuous high-decibel alarm sound up to 95dB

Applications: Suitable for car modification, DIY electronics projects, and other sound alarm needs

Package contents: Includes 5pcs 95DB black active buzzers

868MHz 915MHz WiFi LoRa 32 V3 Module Development Board Type-C SX1262 Integrated WiFi Bluetooth - ESP32 0.96 inch OLED Display 8MB Flash IOT Lora Dev-Board + Antenna U.FL IPEX to SMA 915MHz

Single Board Computers Raspberry Pi Starter Kits

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WiFi LoRa 32 is a classic IoT development board, V3 version, integrated Wi-Fi, BLE, LoRa, 0.96 inch OLED display and other functions. Not Compatible with LoRa 32 V2

Frequency: 863~928MHz; Wi-Fi: 802.11 b/g/n, up to 150Mbps

8MB Memory Storage Capacity

Type-C USB interface with a complete voltage regulator, ESD protection, short circuit protection, RF shielding, and other protection measures

This WiFi Esp32 Lora V3 development board comes with one U.FL IPEX to SMA connector LoRa antenna

Stemedu 5PCS Capacitive Analog Soil Moisture Sensor Module 3.3~5.5V Corrosion Resistant Humidity Detection Sensors DIY Electronic for Arduino for Raspberry Pi

Temperature Probes & Sensors

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[Version] This capacitive analog soil moisture sensor is V1.2

[Voltage] Working voltage: 3.3~5.5 VDC, output voltage: 0~3.0 VDC

[Interface] Interface: PH2.54-3P, Pin: Analog signal output, GND, VCC

[Feature] Capacitive humidity sensor has good linearity, good repeatability, small hysteresis, fast response, small size, and can be used at - 10 ℃ - 60 ℃ humidity environment

[Comparision] This capacitive soil humidity sensor is different from most of the resistive sensors. It uses the capacitive sensing principle to detect soil humidity, avoiding the problem that the resistive sensor is easily corroded, and greatly extending its working life.

Stemedu 4PCS DC TT Motor Gearbox Motor - 3-6V Dual Shaft Geared Electric Motors for Ar-duino Smart Car Chassis - 200RPM Ratio 1:48 DIY Robot Toys (4)

RC Electric Motors

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DC geared TT motor is equipped two-axis can be equipped with a speed-measuring code plate for convenient measurement speed.

Rated Voltage: 3~6V

The DC TT decelerating motor is a two-axis motor with a reduction ratio of 1:48, which has strong anti-interference ability.

This DC Electric Motor suitable for DIY smart cars, compatible with arduino, Micro:bit, etc.

Scope of use: scientific research electronic products, robot electric human body, bubble gun toy gun body, four drive car toy cars, aircraft toys, vibration products and other electric toys

2 Sets 0.96 inch OLED WiFi Esp32 Lora V3 Development Board Type-C USB SX1262 Lora Module Integrated WiFi Bluetooth 868MHZ 915MHZ + IPX IPEX 1.13 UF.L Antennas + Cases

Single Board Computers Raspberry Pi Starter Kits

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WiFi LoRa 32 is a classic IoT development board, this newly launched V3 version has the same pin sequence as the V2 version and retains Wi-Fi, BLE, LoRa, OLED display, and other functions, but MCU, LoRa chip, and USB interface are different.

MCU: V2 uses ESP32-D0WDQ6, V3 uses ESP32-S3FN8, so the definitions of V2 and V3 GPIO pins are different; LoRa chips: V2 uses SX1276/8, V3 uses SX1262; USB interfaces: V2 uses Micro USB, V3 uses USB Type-C

Frequency: 863~928MHz; Wi-Fi: 802.11 b/g/n, up to 150Mbps; ESP32-S3FN8 dual core processor

It is better to use 2pcs together when you use this esp32 oled lora development board, one is used for receiving and another for sending

You will get: 2 X WiFi LoRa ESP32 V3 Development boards, 2 x Plastic Protect Cases, 2 x 868MHz 915MHz GSM IPX IPEX 1.13 UF.L Antennas

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Stemedu 40KG Digital Servo High Speed Servo Motor 45 kg/cm.at (6.8V), Full Metal Gear Servo DS3240 for 1/8 1/10 1/12 Scale RC Boats and Cars (Control Angle 270°, Pack of 2)

RC Servos

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Torque: 36 kg/cm at(5V), 45 kg/cm.at (6.8V).

Maximum torque output: 40 kg-cm (or 40 Nm)

Operating voltage: 4.8 ~ 6.8V

Control angle of 40KG high torque RC servo is 270° (when 2500 μsec)

Waterproof digital servo with full metal gear fits for 1/8, 1/10, 1/12 most standard scale crawler truck, robot, boat, mechanical arms, climbing cars and other remote controlled models

Stemedu 60KG Digital Servo Large Torque Steering Motor Stainless Steel Metal Gear RC Servo High Speed 0.13sec/60 Degree at 8.4V for Robotic & 1:5 RC Car (Control Angle 270 Degree)

RC Servos

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Durable copper & aluminum gear, CNC aluminum middle shell, double bearings

High performance digital standard servo with less noise and precision control

High Speed: 0.17sec/60 degree at(6V), 0.15sec/60 degree at(7.4V), 0.13sec/60 degree at(8.4V)

Large Torque: 58kg.cm.at(6V), 65kg.cm.at(7.4V), 70kg.cm.at(8.4V)

Stemedu 3PCS LM2596 DC to DC Buck Converter 4-40V to 1.25-37V Adjustable Voltage Regulator Step-Down Module with LED Voltmeter Display 3A

Power Converters

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[High Precision] LM2596 DC-DC adjustable step-down module, with voltmeter display, voltmeter error ± 0.1V, measuring range 4~40V (When Input voltage lower than 4V, on-board voltmeter does not work and does not display)

[Input Voltage] The input voltage is 2.5V~40V, and the input voltage must be more than 1V higher than the output voltage

[Output Voltage] The output voltage is 1.25V~37V (adjustable); The maximum output current is 3A

[Features] This module has the advantages of low power consumption and high efficiency, and has the functions of overheating protection and short circuit protection. If it exceeds 15W, please strengthen heat dissipation.

[Widely Application] This voltage reduction module can be used in the voltage reduction field where the input voltage is higher than the output voltage, such as storage battery, power transformer, DIY adjustable voltage stabilizing power supply, 24V vehicle mounted pen and notebook power supply, industrial equipment voltage reduction, 12V to 3.3V, 12V to 5V, 24V to 5V, 24V to 12V, 36V to 24V, etc.

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Stemedu USB RGB Controller DC5-24V Led Dimmer with 3 Keys for RBG 5050 LED Ring Strip Lights

LED Strip Lights Rhythm Lights

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Interface: 3Pin terminal interface, USB port

Input voltage: DC5-24V

Mini USB remote controller for RGB led strip light lighting in Stemedu

Note: using for a long time will cause heat, please be careful of temperature

You will get a USB LED controller for WS2812 LED light.

Stemedu 3.5 inch ESP32 Capacitive Touch Screen 3.5" ESP32-3248S035C Yellow Display TFT LCD Display Module BT+WiFi Development Board ST7796 ESP32-WROOM-32 480x320 for Arduino IDE

Single Board Computers Raspberry Pi Starter Kits

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The CYD yellow ESP32-3248S035C board comes with an integrated ESP32-S3 chip, 3.5 inch capacitive touch display with 32MB flash

ESP32 with BLE + WIFI dual core processor, ST7796 driver Chip; 480 x 320 TFT LCD touchscreen display

USB for powering and programming; Support interface (2Mbps) UART, SPI, I2C, PWM; Support TF card, maximum support 4G

3.5inch TFT LCD display module for 3D Printers, home smart device image transmission, QR wireless recognition, wireless positioning system signal, IOT applications.

Tutorials infomation:(1) https(：)//www(dot)openhasp.com/0.7.0/hardware/sunton/esp32-3248s035/ (2) https(：)//github(dot)com/ardnew/ESP32-3248S035 (3) https(：)//github(dot)com/HASwitchPlate/openHASP/discussions/384

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Stemedu VK172 GPS Module USB G-Mouse Dongle Receiver GPS/GLONASS Tracker for Windows 10/8/7/vista/XP for Goo.gle Earth/Andorid/Linux/Raspberry Pi System

GPS Antennas

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This VK-172 usb gps receiver module can support Windows, Andorid, Linux sytem, Raspberry PI and EMGRAND car and Goo()gle Earth.

The default output of Vk 172 g-mouse is the product GPS protocol data. You can test the software or serial commands to modify switch PS / GLONASS protocol data.

Plugged this VK 172 USB GPS module into linux machine, detected as ttyACM0. No additional drivers or configuration required

You need install the driver before use this USB GPS dongle

Please find the User Manual [pdf ] of VK172 / User Guide [pdf ] on this listing page - Technical Specification

Stemedu 5pcs Single 18650 Battery Storage Case 1 Slot 3.7V Black Plastic Battery Container for 18650 Battery Holder Box with Connect Leads (Pack of 5)

Battery Holders

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A 1-slot 18650 battery case is a small plastic enclosure designed to hold a single 3.7V 18650 rechargeable battery.

18650 battery case holder with 2 pcs 130mm 24AWG leads (Black and Red), they are tinned at the ends of the wires.

Battery storage box is made of PP plastic, it has one screw hole at the bottom to fix the battery holder in a proper position（Screw does not include)

The plastic 18650 battery holder is durable and can withstand normal wear and tear, protecting the battery for long term use.

You can assemble multiple of battery box to get the voltage 3.7 V, 7.4 V, 11.1 V, 14.8 V, 18.5 V dc power supply

Stemedu 5pcs HC-SR501 PIR Infrared Motion Sensor Human Body IR Movement Detector Sensor Module for Arduino for Raspberry Pi

Motion Detectors

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HC-SR501 Delay Time: 0.5-200S (adjustable), the range is (0.xx second to tens of second), the delay time can be adjusted by using the potentiometer on the HC-SR501 motion sensor.

Operating voltage range: DC 4.5-20V; Quiescent Current:

Automatically and quickly turn on home devices by detected HC-SR501 motion sensor.

HC-SR501 motion sensor is an economic hightech products. It is widely used.

Angle Sensor:

Stemedu 2PCS Benewake TF-LC02 Lidar Sensor Laser Range Finder Module DC 3-3.6V TTL 3cm~200cm Short Distance Sensor for Arduino for Raspberry Pi STM32

Single Board Computers Raspberry Pi Starter Kits

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TF-LC02 is a LiDAR ranging module including a high-precision ToF sensor, and it has a built-in TDC (ie-to-digital converter) circuit. It can be used for ranging of various electronic devices such as sweepers, robots, drones and smart home products.

TF-LC02 lidar ranging module is easy to operate and install, and supports UART communication.

Measuring range: 3cm~200cm @ 90% reflectivity Detection speed: 33msec Accuracy:±2cm @ (3cm~100cm); ±5% @ (100~200cm)

Light source: VCSEL

This ranging module is recommended to be used in indoor ambient light conditions. Strong outdoor light will interfere with this product and cause performance degradation.

Stemedu 2PCS Micro SD Card Module TF Card Memory Storage Adapter Reader Board SPI Interface with Integrated Circuit Breakout for Arduino for Raspberry Pi

Memory Card Readers

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Document link: https(:)//www(dot)instructables(dot)com/id/Micro-SD-Card-Tutorial/

This is a Micro SD card reader module, reading and writing through the file system and the SPI interface driver. Please make sure the card format is FAT32

SCM system can be completed within a file MicroSD card. Support Micro SD Card and Micro SDHC card (high speed card). Maximum storage of Micro SD card is 2GB, Micro SDHC card is 32GB.

Microcontroller system to complete the MicroSD card read and write files. Ar-duino users can directly use the Ar-duino IDE comes with an SD card to complete the library card initialization and read and write.

The signal in the direction of the Micro SD card is converted into 3.3V, and the MISO signal in the direction of the control interface from the MicroSD card is also converted into 3.3V. Generally, the AVR microcontroller system can read this signal.

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Stemedu DS3225 25KG High Torque RC Servo, Control Angle 180 Degree, Standard Single Axis Waterproof Metal Gear Digital Servo for 1/8 1/10 Baja RC Cars

RC Servos

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Operating Voltage: 4.8 to 6.8 DC Volts

DS3225 25KG Large Torque Digital Servo - Stall Torque (5V): 24.5 kg/cm (291.5oz/in), Stall Torque (6.8V): 28 kg/cm (340.1 oz/in)

Digital servo features HV high torque, metal gear, fast heat dissipation, sensitivity and responsiveness. With high quality and performance

Equipped with strong copper & aluminum gears, CNC aluminium middle Shell, made of first-grade material

Standard servo size:40 x 20 x 40.5 mm ( 1.58 x 0.79 x 1.60 in) , suitable for 1/8 1/10 scale RC cars

Stemedu FAQs

Is Stemedu Legit?

Yes, Stemedu is a legitmate brand on Amazon. After conducting a comprehensive analysis of 949 customer reviews for Stemedu products on Amazon, we have determined its average rating. Offering great value and satisfying quality, Stemedu has achieved a respectable rating of 4.3 from many customers, showing that its products meet customer expectations. While there may have been minor issues reported occasionally, overall, it is safe to make purchases from Stemedu on Amazon.

Amazon has strict policies and safety measures in place that ensure only legitimate sellers and products are allowed on their platform. It also provides a secure payment gateway and offers buyer protection, ensuring your transaction is safe. In the unlikely event that there's an issue with your purchase, Amazon's customer service and return policies are designed to protect your interests.

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Select the products you want in the Stemedu buying guide, and take a glance at the prices and features of the products.
View the products interest you on Amazon to read the customer reviews and check the ratings. Besides, you can hit the "brand" to find more Stemedu products.

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Go to the Stemedu page.
Select the product you want in the Stemedu buying guide, and then view the product on Amazon. For example, if you are interested in the top 1 product Stemedu 8MB Sound Recordable Module Button Control..., you can view it on Amazon page.
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