Carbon Dioxide Sensor SenseAir S8 (004-0-0053) Product model: S80053How it works: Non-dispersive infrared (NDIR)Measuring range: 400-2000ppm, extended range of 0-10000PpmMeasurement accuracy: ±40ppm ± 3% of readingWorking temperature: 0-50 °CWorking humidity: 0-85% non-condensingDimensions: 33.5x20x8.5mmProduct weight: <8gPower supply: 4.5-5.25VDCPower consumption: 300mA peak; <18mA averageSerial communication: UART, Modbus protocolPWM output: 0 to 100%…... [Continue...]

Rotating DS1302 Digital LED Display Electronic Clock / Temperature Rotating DS1302 Digital LED Display Module Alarm Electronic Digital Clock LED Temperature Display DIY Kit Learning Board 5V  Function Introduction Digital tube display: There are red, green, blue and white digital tubes to choose from. Users can also switch to other color…... [Continue...]

GM61 UART Round 1D/QR/2D Bar Code / QR Code Scanner Module SPECIFICATIONModelGM61TypeBarcode ScannerDecoding AbilityQR Code,Code 128,EAN 128,Code 39,Code 93,Code 11,UPC,EAN,Codebar,Interleaved 2of 5,Matrix 2of 5,MSI Code,Industrial 2of 5,GS1 DatabarInterfaceUARTResolution8milOperating Voltage3.3VOperating Current58mAWeight3gSizeDiameter 21mmScan AngleRoll 360°, Pitch 45°, Yaw 45°Viewing Angle55°(Inclination), 42°(Elevation)Reading Distance  30 – 240mmOperating Temperature-30 degrees to 70 degreesStorage Temperature-30 degrees…... [Continue...]

MH-Z19B NDIR CO2 Sensor Module Carbon Dioxide 0-5000ppm MH-Z19B carbon dioxide gas sensor (hereinafter referred to as the sensor) is a general-purpose smart small-scale sensor that uses non-dispersive infrared (NDIR) principle to detect the presence of CO2 in the air, with good selectivity and anaerobic  Gas dependence, long life, and other…... [Continue...]

VL6180X Optical Ranging Sensor Module for I2C Interface, 3.3V / 5V The VL6180x three-in-one optoelectronic module integrates an IR VSEL (vertical-cavity surface-emitting laser) infrared vertical cavity surface emitting laser source, proximity sensor, and ambient light sensor (ALS). The VL6180X module implements a proximity sensor using the time-of-flight (ToF) measurement principle;…... [Continue...]

STM32 Core Board Core746I Designed for STM32F746IGT6 with full IO Expander 1024kB Flash Onboard 64M Bit SDRAM A minimal ready-to-run system, integrates clock circuit, USB power management, USB connector, etc.Onboard 64M Bit SDRAMAll the I/O ports are accessible on the pin headersJTAG/SWD programming/debugging interface2.0mm header pitch, allowed to be plugged-in your…... [Continue...]

CC2531 Zigbee Emulator / Debugger / USB Programmer / Sniffer The CC Debugger is a small programmer and debugger for the TI Low Power RF System-on-Chips. It can be used together with IAR Embedded Workbench for 8051 (version 7.51A or later) for debugging And SmartRF Flash Programmer for flash programming.…... [Continue...]

Zigbee CC2531 Wireless Transceiver E18-2G4U04B with USB Zigbee CC2531 Case 4dBm Wireless Transceiver  E18-2G4U04B USB Connector IO Port IoT PCB Antenna 2.4GHz Transmitter and Receiver Here is a debugger / programmer for this module RF ParameterValueRemarkFrequency2394~2507 MHzSupport ISM bandTransmitting power4 dBm–Receiving sensitivity-96.4 dBmAir data rate: 250kbpsCommunication protocalZigBee–Test distance200mIn open and clear air, with maximum power, 5dBi antenna gain, height of 2.5m, air data rate: 250kbps Hardware ParameterValueRemarkICCC2531F256RHAT/QFN40Built-in PA+LNAFLASH256 KB–RAM8 KB–Core8051 MCU–Size59 * 18 mmWith housingAntenna typePCB–Powered byUSB–   Electronic parameterMin.Typ.Max.UnitConditionOperating voltage2.755.5Vpowered by USBOperating voltage2.03.33.6Vpowered by pcb power supply holeCommunication level–3.3–VFor 5V TTL, it may be at risk of burning downTransmitting current–31.5–mAInstant power consumptionReceiving current–26–mApowered by USBSleep current–––μA–Operating temperature-4020+85℃–Operating humidity106090%–Storage temperature-4020+125℃–  Source: USB Zigbee Transceiver [Continue...]

NANO V3.0 + Expansion Board Source: Arduino Nano + Expansion Board

AliExpress.com Product – VHM-314 Bluetooth Audio Receiver board Bluetooth 5.0 mp3 lossless decoder board Wireless Stereo Music Module Parameter characteristics  Power Supply 3.7-5VSNR 90dBTHD+N -70dBCrosstalk -86dBDNR 91dBSupport Profile A2DP/AVCTP/AVDTP/AVRCP/HFPLOS >15m   Interface details  USB powered Universal Micro USB 5V power supply3.7-5V Supply Pad External 3.7-5V lithium battery power conversionLED indicator Bluetooth mode long blue light3.5mm stereo audio interface Standard 3.5mm interface, output…... [Continue...]

XY plotter DIY pen drawing robot machine This is a simple DIY drawing robot, a set of spare parts and you need to assemble them. Parameter description: Equipment Size: 490MM * 390MM * 70MM (L * W * H)Engraving area: A4 paperPower supply: 12V, 2A UNO controllerCNC V3 shield2 x…... [Continue...]

6 in 1 Mini Lathe, Milling, Drilling, Wood Turning, Jigsaw and Sanding Machine Mini 6 in 1 lathe machine for DIY assembly of sawing machine, grinder, driller, wood lathe, metal lathe, miller.Great handcraft tool kit for DIY, hobby, model making, crafts, students, small parts processing, etc. Made of advanced aluminum alloy,…... [Continue...]

Electricity + Magnetism Learning Kit A set for demonstrating the relationship between electricity and magnetism. The set contains battery holders, switches, light bulbs, LEDs, a compass, a coil, a motor/generator, and tools. 16 Pieces Electronics Discovery Learning Kit – DIY Physical Lab Basic Circuit Experiment 38pcs Electrical Circuits Experimental Science…... [Continue...]

The ESP32 is the ESP8266 successor. The ESP32 is loaded with lots of new features. It combines Wi-Fi, Bluetooth wireless capabilities and the dual-core processor. The ESP32 comes as a standalone module or as a full-featured development board. There are lots of ESP32 development boards available. Select the one which…... [Continue...]

10W Water Turbine Generator DC 12V Micro hydro generator, the potential energy conversion of the water into electrical energy mechanical equipment. We provide you with three kinds of generators, Can be directly to the small battery charge, Can charge mobile phone, Can give 12V radio power, charging, power supply for…... [Continue...]

DIY KIT Electronic Clock LED + Thermometer (Red/Blue/Green/White) With this digital clock DIY kit, you can make a nice clock by yourself. With a transparent case, components can be well protected and the clock looks stylish.  An ideal digital clock DIY kit for electronics enthusiasts, easy to install. Automatically display…... [Continue...]

Nvidia Jetson Nano – AI Development Board Jetson Nano is a small, powerful computer that lets you run multiple neural networks in parallel for applications like image classification, object detection, segmentation, and speech processing. All in an easy-to-use platform that runs in as little as 5 watts. Specification : GPU:…... [Continue...]

Science DIY Assemble Salt Water Powered Robot Educational Kit for Children Salt Water Powered Car Salt Water Powered Toy Vehicle Made of high-quality ABS raw materials, non-toxic and tasteless, edge and corner arc design, smooth grinding without burr, let the baby rest assured to playCultivate children’s hands-on ability to assemble…... [Continue...]

DIY Graphics Transistor Tester Kit One key measurement operation, auto power-off delay. Shutdown current is only 20nA, support for battery operationAutomatic detection of PNP and NPN bipolar transistor, N, P-channel MOSFET, JFET field-effect transistors, diodes, two diodes, thyristors, resistors, capacitors, inductors. Automatic detection of current amplification factor (B) Pin Definitions…... [Continue...]

Voice Control LED Clock Kit with Temperature Date Week Time Display This DIY alarm clock kit has 15 menu settings. You can set a variety of different functions through touch keys and wake up the clock by voice. You can also set different time modes(Hour:Minute:Second) or (Hour:Minute) according to different…... [Continue...]