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Smart Electronics ESP32 WIFI BLE Single/Dual 4/8 channel Relay Module ESP32 Secondary Development Board

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Smart Electronics ESP32 WIFI BLE Single/Dual 4/8 channel Relay Module ESP32 Secondary Development Board

ESP32 WIFI BLE Single/Dual 4/8 channel Relay Module ESP32 Secondary Development Board
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Smart Electronics ESP32 WIFI BLE Single/Dual 4/8 channel Relay Module ESP32 Secondary Development Board
AC90-250V single channelDC5-60V single channel DC5-60V dual channel AC220V/DC5-30V four channels DC5-30V power supply with 8 channels AC220V dual power supplyDC5V power supply with 16 channels

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Smart Electronics CC1101 Intelligent Industrial Wireless RF Communication Module SPI Transceiver Module 868MHz

CC1101 Intelligent Industrial Wireless RF Communication Module SPI Transceiver Module 868MHz Features: 1.Low power UHF wireless transceivers @ 868MHZ 2.Support FSK , GFSK , ASK / OOK and MSK 3.Configurable data rate 1.2K to 500kps 4.Two 64 bytes FIFO for TX & RX buffer 5.Packet handling including address recognition 6.Support Wake-on-radio 7.Support Clear Channel Assessment（Listen-before-talk ) 8.RSSI Output &Link Quality Indictor 9.SPI Interface 10.Wide Operating Voltage 1.8-3.6V

HD SPI 0.96 inch 1.3 inch 1.44 inch 1.8" tft spi st7735 80 x 160 color display OLED LCD screen st7735

TDA7293/TDA7294 Mono Channel Amplifier Module Circuit PCB Bare Board 4XFB

Model: TDA7293/TDA7294 Power supply: double AC 15V to 36V (AC needs rectification and filtering) or DC positive and negative 18V to 50V.Recommended double 35V (Note that it is not a dual 35V transformer, it is positive and negative 35V DC. And It is recommended to double 26V/200W toroidal transformer, after rectification voltage is about DC double 35V).

Dual coil fast wireless charger transmitter module PCBA board + 2 coil general qi standard diy board

Product Parameters 1. Input power supply: 5V 2A or 9V 1.67-2a, output: 5V 1A or 9V 1.2A 2. Product weight: 0.035kg 3. Charging power: 5W / 7.5w/10w automatic identification 4. Transmission distance: 2-8mm 5. Executive standard: Qi wireless charging standard 6. Product certification: CE / FCC / RoHS

Smart Electronics JDY-08 blue tooth 4.0BLE low-power CC2541 master-slave integrated support airsync iBeacon module

JDY-08 blue tooth 4.0 BLE low-power CC2541 master-slave integrated support airsync iBeacon module

TTL Turn RS485 Module 485 to Serial UART Level Mutual Conversion Hardware Automatic Flow Control Module

Product parameters: Operating voltage: compatible with 3.3V and 5.0V Support baud rate: 110-256000bps Operating temperature: -40 Celsius to +85 Celsius Communication signal: compatible with 3.3V and 5.0V

MAX31865 temperature sensor detector module temperature acquisition RTD/PT100-PT1000

●Support 100Ω to 1kΩ (at 0°C) platinum resistance RTD (PT100 to PT1000) ●Conversion time: 21ms (maximum) ●15-bit ADC resolution; nominal temperature resolution is 0.03125°C (non-linear change with RTD) ● Under the whole working conditions, the total accuracy is maintained at 0.5°C (0.05% full range) ● SPI compatible interface, compatible with 2-wire, 3-wire and 4-wire sensor connection

3.5-inch TFT LCD display screen module serial port SPI driver ILI9488 with capacitive touch RGB320 * 480

Smart Electronics New version ESP-12E (replace ESP-12) ESP8266 remote serial Port WIFI wireless module ESP8266-12E ESP12E

New version ESP-12E (replace ESP-12) ESP8266 remote serial Port WIFI wireless module ESP8266-12E ESP12E ESP8266-12E Is an enhanced version ESP8266-12 , improve the external circuit, enhanced impedance signal output is better, whether it is stable or anti-jamming capability , have been greatly improved ! Before selecting a user for ESP-12 's , it does not matter even if the product has been made , enhanced version is fully compatible with previous firmware pin has added the ESP-12 on the basis of six IO ports , SPI mouth leads , develop more convenient, application more extensive !

0.49 inch OLED LCD screen 64*32 dot matrix SSD1306 driver 14Pin IIC interface

Feature Size: 0.49 inch Dot matrix: 64*32 Monochrome: white, blue Hardware interface: I2C (14 feet) Driver chip: SSD1306/SH1106 Drive voltage: 3.3V Working temperature: -40℃-+70℃; Storage temperature: -40℃-+85℃; Product features: self-luminous, high brightness, high contrast, ultra-thin, full viewing angle, visible under sunlight, wide temperature, low power consumption, fast response speed

Smart Electronics Esp-32s esp-wroom-32 Wifi Blue-tooth Board Esp32 Development Board esp 32 wroom

Esp-32s esp-wroom-32 Wifi Blue-tooth Board Esp32 Development Board esp 32 wroom Product Optional WROOM-32 WROOM-32U WROOM-32D Neutral WROOM-32 WROOM-32E

Smart Electronics 4S 30A High Current Li-ion Lithium Battery 18650 Charger Protection Board 14.4V 14.8V 16.8V BMS

4S 30A High Current Li-ion Lithium Battery 18650 Charger Protection Board 14.4V 14.8V 16.8V BMS 1. Module name: 4 series lithium battery protection board 2. Modular nature: polymer lithium battery protection board 3. Overcharge detection voltage: 4.25 ± 0.025V 4. Overcharge release voltage: 4.15 ± 0.05V 5. Overdischarge detection voltage: 2.50 ± 0.08V 6. Over-discharge termination voltage: 3 ± 0.1V 7. Overcurrent: 20-30A

Sound sensor module voice control switch strength detection audio amplifier microphone LM386

The LM386 is an audio integrated power amplifier with its own low power consumption, adjustable gain for updating the internal chain, wide supply voltage range, fewer external components and less total harmonic distortion. It is mainly used in low-voltage consumer products. In order to minimize the peripheral components, the voltage gain is built-in as 20, and by adding an external resistor and capacitor between pin 1 and pin 8, the voltage gain can be adjusted to any value within 200.

High power three channel amplifier module TDA2050+TDA2030 2.1 subwoofer amplifier circuit board

100W 2SC5200+2SA1943 Audio Amplifier Board Mono Channel HIFI Power Amplifier Board Dual DC35V

Operating voltage: Dual DC 10 - 45V recommended Dual DC 35V Rated output power :100W(4 Ohm ± 35V) Maximum output power : 150W (4 Ohm ± 45V) enormous heat, is not recommended PCB size :30 x 50 x 35mm Pitch : 5.08mm Hole distance between two power tube : 47mm

DC DC Boost Converter Constant Module Current Mobile Power Supply 250W 10A LED Driver Module Non-isolated Step Up Module

Applications: 1, DIY a power supply, 12V can input and output can 12-50V adjustable. 2, the power supply for your electronic device, according to your system can set the output voltage value. 3, as the car power supply for your laptop, PDA or a variety of digital products supply. 4, DIY a mobile notebook power supply: 12V coupled with high-capacity lithium battery pack, so you can go where light where books. 5, solar panel regulator.

AC-DC Power Supply Module AC 100-240V to DC 24V 9A Switching Power Supply Board

AC-DC Power Supply Module AC 100-240V to DC 24V 9A Switching Power Supply Board Product Description: Input voltage: AC 100-240V 50/60HZ Output Voltage: DC 24V Output Current: 6-9A Output Power: 150W ( Max 220W ) Location Pore Size: 105.8 x 55.7mm Overall Dimensions: 115 x 65mm Ripple Noise: Less than 150MV Overcurrent protection: Yes Overload Protection: Yes Short circuit protection: Yes

Smart Electronics 8.29 Megapixel USB Camera Module 4K30 fps Industrial Camera IMX678 Modules

8.29 Megapixel USB Camera Module 4K30 fps Industrial Camera IMX678 Modules

GY-530 VL53L0X Laser Ranging Sensor ToF Ranging Time of Flight Ranging Sensor Module
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