MQ gas sensor kit
- Item model number : MQ2 MQ3 MQ4 MQ5 MQ6 MQ7 MQ8 MQ9 MQ135
Mq-2 MQ-3 mq-4 MQ-5 mq-6 mq-7 mq-8 MQ-9 mq-135Mq-2 MQ-3 mq-4 MQ-5 mq-6 mq-7 mq-8 MQ-9 mq-135
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LM2596S Step Down Buck Converter Adjustable Power Supply Module – Voltage Regulator$1.95Select options
LM2596S Step-Down Buck Converter Description: Name: LM2596S Step Down Buck Converter; Size: 43x21x14mm (LxWxH) Input Voltage: 3.2-35V; Adjustment: First connect the input power supply correctly (between 3.2V-35V), then use a multimeter to monitor the output voltage and adjust. Output Voltage: 1.25-30V continuously adjustable (No-load debugging is recommended) Output Current: Rated current 1A, MAX 2A (Need heat sink), if output power is more than 15W, please add heat sink. Series: Buck Module Type: Power Module Supply current: 3A Power supply voltage: 1.5-35V Power: W Number of stitches: standard Model: LM2596 Weight: 0.023Kg
TB6560 3A stepper motor driver$8.15Select options
TB65603A stepper motor driver Description: This product has been fully tested and has been applied to engraving machines, placement machines and other equipment. The quality is guaranteed and can be used with confidence. This module does not have any protection circuit, so you must be very careful when using it, otherwise the chip will burn out easily. The chip is not covered by the warranty. Working voltage DC 10V-35V. It is recommended to use switching power supply DC24V for power supply 6N137 high-speed light beam is used to ensure high speed without losing steps Toshiba TB6560AHQ brand new original chip, …
MB102 breadboard Power supply module$8.20Select options
MB102 breadboard Power module 1.Brand new and high quality. 2.Breadboard power supply module, compatible with 5 V, 3.3 V Apply to MB102 breadboard 3.Input voltage: 6.5-12 V (DC) or USB power supply 4.Output voltage: 3.3V/5V can switch over 5.Maximum output current: <700 ma 6.Fluctuation two road independent control, can switch over to 0 V, 3.3 V, 5 V 7.On-board two groups of 3.3V, 5V DC output plug pin, convenient external lead use. 8.Size:5.3cm x 3.5cm
TDA7492P power amplifier board-stereo Bluetooth audio receiving digital power amplifier board$12.75Select options
TDA7492P power amplifier board Series : Power amplifier board Uses : Power amplifier Product Description: Bluetooth CSR4.0 power amplifier board Output impedance: 8 ohms (can drive 4, 6, 8, 16 ohm impedance speakers) Output power: add the front stage 5532 output power enough 25W+25W Weight 0.057Kg product description: After power on the amplifier waiting for 3 seconds till the blue and red light flash alternately and then you can use your device to connect Bluetooth module. The next time you use the amplifier, the device will automatically connect.
Latest Raspberry Pi 4 Model B with 2/4/8GB RAM raspberry pi 4 BCM2711 Quad core Cortex-A72 ARM v8 1.5GHz Speeder Than Pi 3B$75.00 – $135.00Select options
Raspberry Pi4 8GB-RAM Board-Kit Latest Raspberry Pi 4 Model B with 8/2/4GB RAM BCM2711 Quad core Cortex-A72 ARM v8 1.5GHz Support 2.4/5.0 GHz WIFI Bluetooth 5.0 Introduction Here comes the 4th generation Raspberry Pi model B of popular Raspberry Pi family! Compared to the prior-generation Raspberry Pi 3 Model B+, Pi 4B offers significantly increases in processor speed, multimedia performance, memory, and connectivity. For the end user, Raspberry Pi 4 Model B provides desktop performance comparable to entry-level x86 PC systems, which could let you enjoy smooth and high-quality experience! Raspberry Pi 4B includes a high-performance 64-bit quad-core processor, and …
ESP8266EX WIFI development board$11.23Select options
ESP8266EX WIFI development board Information Baidu network disk download: http://pan.baidu.com/s/1o8u8kI2 Based on ESP-8266EX Arduino compatible, programming with rduino IDE 11 x I/O pin 1 x ADC pin (input range 0-3.3V) Support OTA wireless upload Onboard 5V 1A switching power supply (maximum input voltage 24V) After installing the hardware package, it is developed directly with the rduino IDE and operates like the Arduino UNO.
0.91 inch OLED display module 12832OLED 0.91 inch display IIC serial port$3.99Select options
0.91 inch OLED display module Description: OLED display, no backlight, self-illumination, full viewing angle, high contrast, visible under the sun. Item No.: 0.91 inch 4p GND Model: 0.91oled Type: LCM LCD Module Screen size: 1 (inch) Color: blue Brightness: adjustable Contrast: adjustable Resolution: 128×32 Weight: 0.01Kg
ATMEGA328P 5V/3.3V electronic building block$3.99Select options
ATMEGA328P Electronic building block Description: The professional version of Mini Pro is a microcontroller circuit board. It has 14 digitals input and output pins (6 of which can be used as PWM outputs); 8 analog inputs; a 16MHz resonator; a reset button and mounting hole pin headers. With a startup program. When the client writes the program and replaces it, it is recommended that you do not use the format method, so that the startup program is formatted. There is an option (repair code and reload) in the software tool, which can be used when rewriting the program to this …
NVIDIA GeForce GT730 2GB SDDR3 Desktop Computer Graphics Card$45.99Select options
NVIDIA GeForce GT730 Graphics-Card Condition: New Memory capacity: 2GB Memory type: GDDR5 Chip: intel Graphics chipset: GT730 Product description: 100% Original GT730 chipset Used! 95% new Genuine 100% 2 GB SDDR3 128 bits Core frequency: 700 MHz Memory frequency: 1600 MHz Maximum resolution: 4096 × 2160 Interface Type: PCI Express 2.0 16X I / O DVI VGA HDMI interface 3D API: DirectX 11.1 HDCP support: Yes Maximum power consumption: 75 W Recommended 300 W higher power