Showing 1–16 of 349 results
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HW-479 5mm KY-011 PCB Dual Color RGB LED Sensor Modules Applicable Accessories Dual Color RGB LED Sensor
HW-479 3.3V 5V 5mm KY-011 PCB Dual Color RGB LED Sensor Modules for DIY Applicable Accessories Feature: Use 5mm full color super bright LED With current-limiting resistor to prevent burnout of LED Can be connected to various microcontrollers High level lights up the LED Can be directly plugged into the motherboard for use, no Dpont cable connection is required Specification: PCB color: Black Working voltage: 3.3V/5V Product size: 19 x 15 x 15mm Product weight: 3g Packing size: 50 x 50 x 15mm Package weight: 3g Note: Due to the different monitor and light effect, the actual [...]
40.20 $ Add to cart -
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HD Amplifier Board 100db Snr Mp3 Amplifier Module 30W+30W Overvoltage Protection DC8V-26V Digital Audio Power Amplifier Board
Feature: 1. Higher Overload Capacity: Digital power amplifier has higher overload capacity than analog power amplifier, it will not cause crossover distortion, transient intermodulation distortion, and you dont have to worry about the internal resistance of the speaker. 2. Protection Function: There are overvoltage protection, overcurrent protection, overheating protection, and short circuit protection functions. 3. Wide Output Voltage: Dual channel 30W+30W power output and wide input voltage range of DC8V-26V. 4. Good Sound Quality: Two-channel, high-definition digital audio power amplifier board. 5. Excellent Service: If you have any questions about our [...]
41.36 $ Add to cart -
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Speaker Frequency Divider Stereo Crossover WEAH-234 80W 2 Way Speaker Frequency Divider Audio Treble Bass Filter
WEAH-234 80W 2 Way Hi-Fi Audio Treble Bass Speaker Frequency Divider Home Video Sound Crossover Filters Device Feature: 41mm large inductance. High temperature and high current inductance for audio, which can quickly reduce heat generation and show frequency response. Imported MKP capacitance. MKP metallized film capacitor, low loss of metallized material, small internal heating, excellent flame retardant performance, is a powerful guarantee for high-quality frequency divider. Specification: Model: WEAH-D234 high and low frequency division Power: 80W Impedance: 4-8 ohm Applicable speaker: less than 6 [...]
41.14 $ Add to cart -
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1PCS ESP32 Development Board WiFi+Bluetooth Ultra-Low Power Consumption Dual Core ESP-32S ESP32-WROOM-32D ESP32-WROOM-32U ESP 32
1PCS ESP32 Development Board WiFi Bluetooth Ultra-Low Power Consumption Dual Core ESP-32S ESP32-WROOM-32D ESP32-WROOM-32U ESP 32 Description: ESP32-WROOM-32 is a general-purpose Wi-Fi BT BLE MCU module with powerful functions and a wide range of uses. It can be used for low-power sensor networks and demanding tasks, such as voice coding, audio streaming, and MP3 Decoding etc. The core of this module is the ESP32-D0WDQ6 chip x , which is scalable and adaptive. The two CPU cores can be controlled separately. clock The frequency adjustment range is from 80 MHz to 240 MHz. The user can [...]
41.34 $ Add to cart -
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Relay Contact Protection Absorption Circuit Module AC/DC 5V-400V Snubber Board
RC Absorption Circuit Module Relay Contact Protection Resistance Surge AC/DC 5V-400V Snubber Board Description: RC absorption circuit is also called RC Snubber circuit. It is a circuit structure in which resistors and capacitors are connected in series and connected in parallel with switching devices. It is used to improve the voltage and current waveforms of electronic power devices when they are turned on and off. The RC absorption circuit module can prevent the induced electromotive force generated at the moment of turning on and off of the inductive load from causing damage to the switching devices such [...]
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ESP32 ESP-32 ESP32-S Wireless Module From ESP-WROOM-32 With 32 Mbits Of PSRAM IPEX / ESP-32S With 4MB FLASH WiFi+Dual-core CPU
ESP32 ESP-32 ESP32-S Wireless Module From ESP-WROOM-32 With 32 Mbits Of PSRAM IPEX / ESP-32S With 4MB FLASH WiFi Dual-core CPU Description: ESP32-WROOM-32 is a general-purpose Wi-Fi BT BLE MCU module with powerful functions and a wide range of uses. It can be used for low-power sensor networks and demanding tasks, such as voice coding, audio streaming, and MP3 Decoding etc. The core of this module is the ESP32-D0WDQ6 chip x , which is scalable and adaptive. The two CPU cores can be controlled separately. clock The frequency adjustment range is from 80 MHz to 240 MHz. The user can [...]
41.88 $ Add to cart -
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2U Digital Spectrum Analyzer LED Display Balanced Music Audio Remote Control Voice Control Online Indicator
311.86 $ Add to cart -
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Bluetooth-compatible 5.0 LTK5328 Audio Power Amplifier Stereo Dual Channel Digital Power Amplifier Board 3.7V-5V
Bluetooth-compatible 5.0 LTK5328 Audio Power Amplifier Stereo Dual Channel Digital Power Amplifier Board 3.7V-5V Description: Product color: black Power interface: micro 5p reserved 2.5mm welding port Input voltage: 3.7V-5V Amplifier working mode: switchable class AB and class D Signal-to-noise ratio: 90DB THD N:-70DB Crosstalk: -86db DNR: 91db Product size: 54mm x 33mm x 15mm Packing size: 8cm x 5cm x 2cm Specifications: 【output interface】 speaker output port x 2 groups one group for left and right channels, it is recommended to connect 4 ohm 5W-50W power speakers for use 【Switchable mode】Users can freely [...]
41.24 $ Add to cart -
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TDA2822M Digital Power Amplifier Board 2×1.5W 2.0-Channel Stereo Audio Power Amp Module 3 p Wiring Jokes 63x29x23mm
TDA2822M Digital Power Amplifier Board 2x1.5W 2.0-Channel Stereo Audio Power Amp Module Specification: Rating: 1W x 2 1-3 inch speaker Mximum power: 1.5 W x 2 0.2-5 W can meet the speakers Speaker impedance: 4-32 Ω Power amplifier ratio: ≥50 db Distortion: 0.1 Input interface: 3 p wiring jokes Adjust the form: volume adjustment Input voltage: DC 1.8-12V Product size: 63 x 29 x 23mm/2.48 x 1.14 x 0.91 Product weight: 25g Packing size: 100 x 50 x 30mm/3.94 x 1.97 x 1.18 Gross weight: 25g Instructions for use: 1. Connect the speakers The speakers [...]
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ESP32 ESP-32 Development Board Wireless WiFi Bluetooth-compatible Dual Core Filters Power Management Module Newest
Description: 1. NodeMCU-32S is the core development board designed by for Anxinke based on ESP-32S module. 2. The Development Board continues NodeMCU 1.0 classic design, eliciting most I/O to both sides of the needle, developers can connect peripherals according to their own needs. 3. When using breadboard for development and debugging, the standard needle arrangement on both sides can make the operation more simple and convenient. Cost-effective small volume. Easy to embed into any product Powerful, support LWIP protocol, freertos Support three modes: AP, STA, AP+STA coexistence mode Lua programming makes your development easier Specifications: Packaging [...]
42.33 $ Add to cart -
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ESP32 Development Board Wireless WiFi +Bluetooth-compatible Dual Core CP2104 Filters Module 2.4GHz RF For Arduino High Quality
Features: 1. Compact and portable: being so mini and light-weight, this product does not take much space and can be easily taken away. 2. Durable material: This product is made of high-quality material, durable, long service time, firm and stable in use. 3. The complete solution takes up the least printed circuit board area. This board is used with 2.4GHz dual-mode WiFi and wireless chips using 40nm TSMC low-power technology. 4. The best power and RF characteristics are safe, reliable and scalable for various applications. 5. Meticulous workmanship: The meticulous design, perfect in workmanship, durable and long service life. [...]
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WiFi Bluetooth Sweep Frequency Jammer 2.4GHZ 1W 5.8GHZ 5.2GHZ With TYPE-C Cable Antenna + Aluminum She
WiFi Bluetooth Sweep Frequency Jammer 2.4GHZ 1W with antenna with TYPE-C cable aluminum alloy shell WiFi Bluetooth Sweep Frequency Jammer 2.4GHZ-1W Applicable to WIFI, Bluetooth transmission, data transmission, image transmission, shieldingnote:1 The antenna that comes with the delivery must be connected first, and then power on. Otherwise, the chip will be burnt out due to excessive reflected signals!2 Regarding the power supply, a 5V/2A adapter is used, and the normal current is greater than 1A during operation.3 The body adopts an all-aluminum box shell with good heat dissipation and suitable for long-time work.2. Module parameters1. Power supply: TYPE-C line; [...]
86.45 $ Add to cart -
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HD Amplifier Board 100db Snr Mp3 Amplifier Module 30W+30W Overvoltage Protection DC8V-26V Digital Audio Power Amplifier Board
Feature: 1. Higher Overload Capacity: Digital power amplifier has higher overload capacity than analog power amplifier, it will not cause crossover distortion, transient intermodulation distortion, and you dont have to worry about the internal resistance of the speaker. 2. Protection Function: There are overvoltage protection, overcurrent protection, overheating protection, and short circuit protection functions. 3. Wide Output Voltage: Dual channel 30W+30W power output and wide input voltage range of DC8V-26V. 4. Good Sound Quality: Two-channel, high-definition digital audio power amplifier board. 5. Excellent Service: If [...]
41.39 $ Add to cart -
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Time Adjsutable Delay Relay Module NE555 Timming Timer Relay Control Switch Board 12V DC Delay Module Relay Module
Time Adjsutable Delay Relay Module NE555 Timming Timer Relay Control Switch Board 12V DC Feature: Using NE555 IC. The delay range is 60 seconds adjustable. Specification: Working voltage: 12V DC, allowable range 10V-14.5V Suction current: 45mA 12V, 80mA 6V Quiescent current: 5mA Load switching capacity: 10A 250V AC or 10A 30V DC Size: 55mm x 28mm, height <20mm Product weight: 19g Note: There may be slight size deviations due to manual measurement, different measuring methods and tools. The picture may not reflect the actual color of the item [...]
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LILYGO® TTGO T-Beam V1.1 LoRa ESP32 Development Board WiFi Bluetooth Module GPS NEO-6M SX1278 433Mhz SX1276 868Mhz 915Mhz 923Mhz
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6in10out ADAU1467 / 1463 Core Board (NEW!)
Note:MIDIWORX is the original design company for this product! MediaWorks / MediaWorx is our former name/logo used before. Now we'll start changing to / use this new LOGO and Brand as they are formally registered. ADAU1463/1467 is the latest and powerful digital audio DSP SIGMADSP/SIGMA350 chip introduced by ADI from 2017. It integrates 32-bit single precision/64-bit double precision audio DSP core, SPDIF Tx/Rx, Aux ADCs, IIC + SPI, GPIO, I2S in & out, etc. , Has been widely used in car audio, professional audio or consumer audio products. ADAU1463/1467 is a fully programmable DSP. Its development adopts the pure graphical [...]
120.66 $ Add to cart