Smoke alarm fire fire detector household wireless smoke sensor independent smoke detector

MICS-5524 air quality gas sensor module gas sensor module

Digital Output Temperature and Humidity Sensor DHT11 Temperature and Humidity Sensor

PP plastic small float switch liquid level switch water level sensor anti-corrosion acid and alkali resistant 52MM

ESP32-S3 WROOM N16R8 CAM Development Board WiFi Bluetooth Module OV2640/5640

TYPE-C male and female head test board double-sided forward and reverse plug-in pin 24P male turnkey seat USB3.1 data line transfer

0.69 inch monochrome 16OLED module 4-pin IIC interface display module iic LCD screen module

MEGA2560R3 improved version CH340G send usb line 3D printer main control development board

MB-102 high-quality breadboard circuit board experimental board universal board 830 holes 165 × 55 × 10mm

1.5 inch OLED full color 128 × 128 LCD color LCD SPI display device SSD1351

2D two-dimensional rocker potentiometer JH-D202X-R2/R4 resistance 5K10K two-dimensional sealed joystick self-resetting

FM Transmitter Kit Wireless Microphone Discrete FM Transmitter Module MP3 Transponder Miniature Transmitter Antenna

HL-340 USB to serial line (COM) USB-RS232 USB nine-pin serial line support win7-64-bit

CA-901 general 46 inch LCD TV switching power supply DC sampling power supply module

Star breathing lamp kit star lamp parts diy practice star lamp patch element welding exercise board module

Horn 4R3W 4 Euro 3 Watt Diameter 39.4MM Round 36MM Outer Bubble Edge Black Cap Power Amplifier Speaker Single

LIVE MINI KIT ESP32 Module Development Board Wireless WiFi Bluetooth 2 in 1 Dual Core CPU ESP32

3.7V infrared human body induction solar light circuit board solar wall light control board PIR wall light controller

Large antenna GY-NEO-8M V2 flight control GPS module with EEPROM MWC APM2.5 flight control

0.71 inch TFT LCD 160x 160 color screen GC9D01 round screen LCD display S PI module

Positive standard UL1007-24AWG multicolor electronic wire 80 ℃ 300v copper wire 24 wire lead tinned copper wire

Bluetooth 30W power amplifier TWS speaker sound module board audio receiver Bluetooth power amplifier board two board couplet stereo

Led car t10 indicator lamp license plate lamp cob highlight transparent w5w integrated reading light car bubble universal

8/12/16/20 lamp bead LED lighting board USB mobile lamp stall lamp emergency lamp night light white light

1 series of double MOS 3.7V18650 lithium battery protection plate is suitable for polymer spot welding and can be more than 5A current limiting

INMP441 Omni-directional Microphone Module MEMS High Precision Low Power I2S Interface Support ESP32

10 kinds of 180 key switches, light touch switches, small switches, button switches, sorting box kits

NANO 3.0 nano V3.0 ATMEGA328P improved version super easy to use type-c not welding

ACS712ELCTR-30A-T conversion chip 20A-T/05B-T current sensor chip SMD SOP8

MAX98357 I2S audio amplifier module filterless class D amplification support ESP32 raspberry pi

3A adjustable step-down module DC-DC regulated power supply MP1584EN ultra small size ultra LM2596

USB mobile power welding-free diy kit 1 18650 battery charger DIY mobile power battery box black

PS-3150 magnetic proximity switch magnetic control switch magnetic induction switch door magnetic switch magnetic reed switch normally open

500PCS screw DIY set countersunk head Phillips screw electronic digital laptop universal

1.47 inch TFT LCD display LCD module 172 × 320 full color ST7789P3 driver serial port SPI

MINI ESP32-C3 development board equipped with ESP32-C3-MINI-1-N4 module Wifi Bluetooth BLE5.0