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DV 5V USB Mini Humidifier Mini Oscillating Atomizer Mist Maker Driver Circuit Board
1.Description:
1>.5V USB ultrasonic mist maker driver board and atomizer plate.
2>.Low driving voltage, low power, low impedance, stable waveform, high conversion efficiency.
3>.Round ring atomizer pla...
$4.19
$5.99
SKU: GY20995-1
$4.19
$5.99
31
Waterproof 0.56inch DC Digital Voltage Meter, DC5-130V LED Battery Volt Meter Gauge Voltage Display for Golf Cart Car, Cars, Boats
1.Description:
It is a DC5-130V Waterproof Battery Voltage Meter. Its biggest feature is the use of internal injection molding design to achieve waterproof purposes, which is that it can penetrate water for a long time for use.
2....
$3.25
$6.50
SKU: GY21015-1
$3.25
$6.50
50
FM Bluetooth-Compatible Audio Receiver MP3 Decoder Lossless AUX/U-disk/TF Card Music Player
1.Description:
It is a FM Bluetooth Audio Receiver MP3 Lossless Decoder which perfect for DIY wireless Bluetooth speakers and transponders. This module can receive Bluetooth music, as well as FM/AUX/USB/TF card audio input.
Th...
$12.45
$17.79
SKU: GY21014-1
$12.45
$17.79
30
DIY Kit for Liquid Level Controller with Water Tank Level Detection and Automatic Pumping Module - Electronic Soldering Skill Practice Kits
1.Description:
1>.Accurate water level detection;
2>.Effective protection from external conditions;
3>.Programmable control strategies;
4>.Multiple protection functions;
5>.Auto...
$4.55
$6.50
SKU: GY20992-1
$4.55
$6.50
31
433MHz Wireless Module HW3000 RF Module SPI Interface SI4432 CMT2300 Serial Transceiver
1.Description:
1>.Communication distance of 1000 meters;
2>.Small volume;
3>.Can replace ordinary 433MHz modules;
4>.Support FSK and GFSK modulation modes;
5>.Support automatic ...
$4.19
$5.99
SKU: GY21011-1
$4.19
$5.99
31
RC522 RFID IC Card Reader Writer Module 13.56MHz 3.3V SPI Module
1.Description:
1>.Adopting RC522 low voltage, small size non-contact read and write card chip;
2>.Can support Mifare1 S50, Mifare1 S70, Mifare Light, Mifare UltraLight, and Mifare Pro;
3>.Can be direct...
$3.49
$4.99
SKU: GY21008-1
$3.49
$4.99
31
GT-U7 GPS Module Navigation Satellite Positioning Compatible with NEO-6M 51 MCU STM32
1.Description:
1>.Equipped with a USB interface, you can directly use your phone's data cable to view the positioning effect on the computer;
2>.USB direct connection to the computer, which means the upper com...
$9.09
$12.99
SKU: GY21007-1
$9.09
$12.99
30
DIY Kit Music Audio Spectrum Indicator AUX MIC Peak Hold Voice Control Level Light LM3914 Electronic Soldering Practice Kits
1.Introduction:
FED-301K is a Audio Spectrum Indicator DIY Kit. It can display in Red/Green according to the input audio signal from microphone or AUX audio socket.It can be used to display the intensity of audio.The number of LED disp...
$6.99
$9.99
SKU: GY21012-1
$6.99
$9.99
(1 Feedback)
30
OCL Amplifier DIY Kits 100w Dual Channel Stereo Sound Amplifier Board
1.Description:
This OCL high power 100W dual channel amplifier board welding kit comes with 4 high power transistors and two independent stereo channels.
OCL circuit is highly stable and has wide frequency r...
$5.59
$7.99
SKU: GY20987-1
$5.59
$7.99
31
Green LED Power Indicator DIY Kit Battery Electricity Display Kits
1.Description:
1>.It has high precision LM3914 analog voltage detection, users can accurately know the remaining battery power.
2>.The power display range is adjustable, and the display range can be adjusted accor...
$2.79
$3.99
SKU: GY20994-1
$2.79
$3.99
30
DIY Kit LM317 Adjustable Voltage Regulator With LED Meter
1.Description:
1>.LM317 adjustable DC voltage regulator diy kit with fixed three-terminal voltage regulation circuit, easy to use;
2>.Wide voltage adjustment range, good voltage stabilization performance, low nois...
$6.29
$8.99
SKU: GY20986-1
$6.29
$8.99
30
DIY Kit Bluetooth-Compatible Amplifier, 87.0-108.0MHz FM Radio Receiver Kit, U-disk/TF Card Music Player Module with Battery
1.Introduction:
It is an 87.0MHz-108.0MHz Wireless FM Radio Receiver DIY Kit with Red/Green spectrum indicator flashing automatically.
It has a blue 4Bit segment display screen which can clearly display the receivi...
$25.89
$36.99
SKU: GY20924-2
$25.89
$36.99
31
DC 24V 100dB Electronic Alarm with Strob Red Light, High Decibel Electronic Beep Buzzer for Car Alarm Home Security System
Description:
BJ-3 is a DC 24V 100dB Audible Visual Alarm. It works as Red Flashing and High Decibel Buzzer after power ON. It can be used for on-site audible and flashing alarms.
Features:
Loud Sound Alarm Wit...
$4.19
$5.99
SKU: GY20964-1
$4.19
$5.99
31
2PCS Buzzer Alarm with Strobe Red LED Light, DC 24V Strobe Siren Piezo Buzzer, 100dB Electronic Beep Buzzer for Car Alarm Home Security
Description:
BJ-3 is a DC 24V 100dB Audible Visual Alarm. It works as Red Flashing and High Decibel Buzzer after power ON. It can be used for on-site audible and flashing alarms.
Features:
Loud Sound Alarm Wit...
$4.50
$8.99
SKU: GY20964-2
$4.50
$8.99
50
DC 5-60V ESP32 Single Channel Wireless WIFI Relay Module ESP32-WROOM Development Board
1.Description:
DC powered ESP32 single-channel relay development board equipped with ESP32-WROOM-32EWiFi&BLE mode Blocks, I/O ports are all led out, and support DC5-60V power supply mode. It is suitable for ESP32 secon...
$9.37
$13.39
SKU: GY20985-1
$9.37
$13.39
31
8 Channel ESP8266 Wireless WIFI Relay Module ESP-12F Development Board
1.Description:
This ESP8266 WIFI 8-Channel Relay Module ESP-12F Development Board is perfect for Arduino development environment with reference code and is suitable for ESP8266 secondary development and learning, smart hom...
$13.29
$18.99
SKU: GY20984-1
$13.29
$18.99
30
ESP8266 WIFI 4 Channel Relay Module ESP-12F Development Board
1.Description:
This ESP8266 WIFI 4-Channel Relay Module is an ideal choice for home automation system. It supports WiFi connection, enabling you to control your appliances or devices remotely. It can be used to switch on/off lig...
$9.79
$13.99
SKU: GY20982-1
$9.79
$13.99
31
ESP-12F ESP8266 Serial Wireless WIFI Module
1.Description:
The ESP-12F is a powerful and versatile module, with a wide range of applications. It can be used to create wireless networks, build smart homes, and enable the transmission of data between a variety of devices. I...
$3.91
$5.59
SKU: GY20981-1
$3.91
$5.59
30
ESP32-WROOM-32UE 16MB Dual Core WiFi Wireless Bluetooth-Compatible MCU Module
1.Description:
ESP32-WROOM-32UE is a powerful dual-core Wi-Fi & Bluetooth MCU module for IoT applications. It features low power consumption, high performance and wide range of usage. It is ideal for tasks such as audi...
$6.29
$8.99
SKU: GY20979-1
$6.29
$8.99
30
ESP32 TYPE-C USB CH340C WiFi Bluetooth-Compatible Ultra-Low Power Dual Core Development Board
1.Description:
ESP32 CH340C is a general-purpose WI-FI+BT module with low power consumption Bluetooth and WiFi, widely applicable, integrated SPI flash, and support for wide range wireless communication connection. It also...
$5.59
$7.99
SKU: GY20978-1
$5.59
$7.99
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