Search results for "kids educational electronics"
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Waveshare Waveshare RS485 to Ethernet Converter, US Plug, RS485
RS485 to Ethernet Converter, Easy-to-use, High-speed, Low-power, High-stability, UpgradableOverviewThe RS485 TO ETH module provides an easy way to communicate between RS485 and RJ45 port Ethernet, it can be configured via webpage.Features1. M0 series 32-bit ARM processor, fast speed, high efficiency2. 10/100M Auto-MDI/MDIX ethernet interface, regardless of cross-over or straight-through cable3. Configurable RS485 baudrate (600bps~230.4Kbps), supports five parity check options: None, Odd, Even, Mark, Space4. Available working modes: TCP Server, TCP Client, UDP Server, UDP Client, HTTPD Client (supports GET and POST)5. Configurable via webpage, AT commands, serial protocol, and network protocol, provides configuration protocol which can be integrated to your own software6. Support customized heartbeat packets, make sure the connection is truthful, as well as for actively retrieving sensor data7. Support customized registration packets, auto passing the registered packet as identifier after the connection is established, so that different devices can be distinguished8. Support customized webpage, allows user to customize the module configuration page9. Support RFC2217-like protocol, be able to communicate with devices whose serial setting (baudrate, data bit, etc.) may change10. KeepAlive mechanism, detects broken connection, auto re-connecting11. Support time-out reboot (no-data reboot), ensures a long-term stable connection, configurable reboot time12. Support DNS domain name resolution, configurable DNS server13. Support DHCP, auto-obtained IP or static IP14. Firmware is upgradable via the network15. Restore to factory settings via software and/or hardware16. Comes with default MAC address, which is customizable17. Provided software: module configuration software, TCP/UDP testing tool, VCOM virtual serial port software18. Example code: host computer (socket ), VB, C++, Delphi, Android, iOS, etc.Specifications1. Ethernet:- Connector: 4-pin RJ45- Communication rate: 10/100Mbps- Interface protection: 1.5KV electromagnetic isolation- Protocols: IP, TCP, UDP, ARP, ICMP, DHCP, DNS, HTTPD Client- TX cache: 6Kbyte- RX cache: 4Kbyte2. RS485:- Connector: screw terminal (A+, B-, GND)- Data bit: 5bit, 6bit, 7bit, 8bit- Stop bit: 1, 2- Parity bit: None, Odd, Even, Mark, Space- Baudrate: 600bps~230.4Kbps- RX cache: 800byte- Hardware flow control: none- Interface protection:- 2KV ESD protection- RS485 pull up/down registers: 2.2KΩ3. Power:- Power supply: 5.0~7.0V (5V recommended)- Operating current: 150mA (@5V)- Power consumption: <1W- Interface protection: reverse-proof, ESD protection, anti-surge4. Environment:- Operating temperature: -25~75 degree C- Storage temperature: -40~105 degree C5. Size: 69.65*63.59*25.47mmPackage Contents1. RS485 TO ETH x12. 5V power adapter x1Specification: Package Weight One Package Weight 0.22kgs / 0.49lb One Package Size 8cm * 7cm * 3cm / 3.15inch * 2.76inch * 1.18inch Qty per Carton 455 Carton Weight 121.94kgs / 268.83lb Carton Size 56cm * 35cm * 39cm / 22.05inch * 13.78inch * 15.35inch Loading Container 20GP: 348 cartons * 455 pcs = 158340 pcs40HQ: 809 cartons * 455 pcs = 368095 pcs
£25.99
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PULUZ PULUZ Wireless Lavalier Noise Reduction Reverb Microphone for 8-Pin Device, Support Phone Charging, 8 Pin Wireless Microphone
Features1. Plug & play: Easy to use, switch on and plug in the receiver to connect automatically. The cell phone microphone has a mini body, it is an easy clip-on mic and enhances personal privacy protection, portable storage bag allows you to take it anywhere. This clip-on mic is a tailored gift for whom loves live stream, vlogging, recording video, etc. 2. Compatible iOS devices: Wireless lapel microphone compatible for iOS Phone/ Tablet. 3. Performance wireless system: The transmission mic built in battery. 20M/65Ft Barrier-free connection, 360 degree omnidirectional sound reception, recording every detail. 4. Real-time auto-sync technology: The wireless mic supports Multi-Channel Real-Time Mixing, it can synchronize the background music for phone and human voice in real time, reduce the video post-editing, offers professional full band audio.SpecificationsPerformance parameters: 1. Chip: Professional 2.4GHz wireless microphone chip 2. Microphone Sensitivity: -38dbm 3. Normal mode recording sample rate: 44.1K 4. Noise reduction mode recording sampling rate: 32K 5. Transmit power(MAX): 10dbm 6. Indoor barrier-free straight distance: 15-20 meters 7. Outdoor barrier-free straight distance: About 10 meters 8. Charging port: 8-pin 9. Material: ABS The working current parameters of the transmitter (TX): 1. Battery capacity: 70mAh (LIR1254) 2. Power off power consumption: 2.6uA 3. Power consumption: 4mA (Power on no pairing with the receiver ) 4. Power consumption: 10mA (Power on and pairing with the receiver) 5. Power consumption: 6mA(Entering silent mode ) 6. Charging current: 70mA The working current parameters of the transmitter (RX): - Power consumption: 16mA(Plug-in phone)Specification: General Certificate MSDS, ROHS, UL, CCC, EMC Compatible with Apple: iPhone 14 Plus, iPhone 14, iPhone 14 Pro, iPhone 14 Pro Max, iPhone SE 2022, iPhone 13 Pro Max, iPhone 13, iPhone 13 mini, iPhone 13 Pro, iPhone 12 Pro Max, iPhone 12, iPhone 12 Pro, iPhone 12 mini, iPhone SE 2020, iPhone 11 Pro, iPhone 11 Pro Max, iPhone 11, iPhone XS, iPhone XS Max, iPhone XR, iPhone X, iPhone 8 Plus, iPhone 8, iPhone 7, iPhone 7 Plus, iPhone SE, iPhone 6s Plus, iPhone 6s, iPhone 6 Plus, iPhone 6 Apple: iPad 10.2 (2021), iPad 10.2 (2020), iPad 10.2 (2019), iPad Air (2019), iPad Pro 10.5 (2019), iPad mini 4, iPad Air 2 Package Weight One Package Weight 0.09kgs / 0.20lb One Package Size 15cm * 8cm * 4.5cm / 5.91inch * 3.15inch * 1.77inch Qty per Carton 100 Carton Weight 8.20kgs / 18.08lb Carton Size 49cm * 39cm * 45cm / 19.29inch * 15.35inch * 17.72inch Loading Container 20GP: 310 cartons * 100 pcs = 31000 pcs40HQ: 719 cartons * 100 pcs = 71900 pcs
£4.99
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World-Wide Universal Travel Concealable Plugs Adapter with & Built-in Dual USB Ports Charger for US, UK, AU, EU
1. Brand new and high quality 2. Built-in an auto switching dual USB power ports: Charging for the mobile phone, digital camera, iPod, PSP, MP3 Player 3. Universal AC power plugs 4. Over 150 countries worldwide compatible 5. Power up the through the AC power port and charge the mobile electronic products through the USB power port (5V) simultaneously 6. Note: AC-AC no voltage conversion, USB for charge only, indoor use onlySpecification: General Material ABS Input Voltage 100-240V 50/60Hz Input Current 6A Max USB Output Voltage 5V USB Output Current 2.1A Max Size 6.1*5.5*4.5cm Weight 107g Package Include Package Contents 1 x Adapter 1 x Manual 1 x Carry Bag Package Weight One Package Weight 0.15kgs / 0.33lb One Package Size 15cm * 9cm * 5cm / 5.91inch * 3.54inch * 1.97inch Qty per Carton 100 Carton Weight 15.00kgs / 33.07lb Carton Size 47cm * 32cm * 32cm / 18.5inch * 12.6inch * 12.6inch Loading Container 20GP: 554 cartons * 100 pcs = 55400 pcs40HQ: 1286 cartons * 100 pcs = 128600 pcs
£4.99
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ZK-PP1K PWM Signal Generator 1Hz-150KHz PWM Pulse Frequency Duty Cycle Adjustable Square Wave Generator
1. Used to generate square wave rectangular wave signals for controlling DC motors or stepper motor drivers; used for servo motors, stepper motors, electric grippers, instead of PLC pulses, etc.2. The matching driver realizes dimming, speed control, solenoid valve control, etc., but it cannot directly drive loads such as electric lamp motor solenoid valves3. Two modes can be selected:- PWM mode a frequency (continuous) duty cycle. Note that the number of pulses cannot be set in this mode, and pulses are always sent;- PULSE pulse mode one positive pulse width time, negative pulse width time, delay start time, pulse number are adjustable.5. With start and stop button, you can also connect an external switch to control the output signal ON/OFF.6. Wide voltage input 3.3-30V, with anti-reverse connection protection.7. The 5.08mm screw terminal is convenient for wiring, with a shell8. Working voltage: 3.3~30V, with anti-reverse connection protection9. Frequency range: 1Hz~150KHz, accuracy is about 1%10. Duty cycle range: 0-100%, 1% step11. Number of pulses: 1-9999, or infinite12. Delayed output time: 0.000s-9999s, the minimum can be set to 1ms13. Positive and negative pulse width length: 0.000s-9999s, the minimum can be set to 1ms14. Signal carrying capacity: less than 30mA15. Output signal amplitude: the amplitude is equal to the supply voltage16. Product size: 79mm x 43mm x 30mm17. Product weight: 40gSpecification: Package Weight One Package Weight 0.05kgs / 0.12lb One Package Size 10cm * 8cm * 5cm / 3.94inch * 3.15inch * 1.97inch Qty per Carton 200 Carton Weight 11.00kgs / 24.25lb Carton Size 52cm * 33cm * 32cm / 20.47inch * 12.99inch * 12.6inch Loading Container 20GP: 485 cartons * 200 pcs = 97000 pcs40HQ: 1127 cartons * 200 pcs = 225400 pcs
£3.99
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ZJ040MR Mono 3.5mm Mobile Phone Tablet Laptop Electronic Equipment Mini Straight Microphone, Mono
1. Frequency response: 50Hz-20KHz 2. Impedance: 2.2K ohm 3. Directionality: Omnidirectional 4. Plug: 3.5mm gold plated straight 5. Applicable: mobile phones/laptops/desktop computers/repeaters/recording pens, etc. to improve the sound quality of the original built-in microphone 6. Microphone size: 6.0x2.7mmSpecification: Package Weight One Package Weight 0.01kgs / 0.03lb One Package Size 15cm * 12cm * 2cm / 5.91inch * 4.72inch * 0.79inch Qty per Carton 360 Carton Weight 3.24kgs / 7.14lb Carton Size 45cm * 48cm * 60cm / 17.72inch * 18.9inch * 23.62inch Loading Container 20GP: 205 cartons * 360 pcs = 73800 pcs40HQ: 477 cartons * 360 pcs = 171720 pcs
£1.99
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DQX-999A Multifunctional Steering Wheel Button Controller Car DVD Screen Wireless Remote Control, DQX-999A
1. Material: ABS 2. Power supply: with CR2025 button battery 3. Exquisite and small size, does not take up space 4. Multiple functions, safe operation, convenient and fast use 5. Paste installation, no damage to your car 6. External button battery, unlimited battery life, easy to replace 7. Widely applicable to various models, including cars, large trucks and trucks 8. Product size: 46mmx12mm 9. Note: The navigation learning interface must have the steering wheel learning function to useSpecification: Package Weight One Package Weight 0.05kgs / 0.10lb One Package Size 9cm * 9cm * 3.2cm / 3.54inch * 3.54inch * 1.26inch Qty per Carton 300 Carton Weight 14.00kgs / 30.86lb Carton Size 32cm * 30cm * 20cm / 12.6inch * 11.81inch * 7.87inch Loading Container 20GP: 1388 cartons * 300 pcs = 416400 pcs40HQ: 3224 cartons * 300 pcs = 967200 pcs
£13.99
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International 2.1A 2-USB EU / AU / UK / US Plug Travel Universal Adaptor, 2.1A
1) This universal adaptor is a compact one piece unit with 4 international adaptors, This item with fit the plugs in Europe / UK / USA / China / Japan / Australia / Spain and almost every country in the world 2) Voltage: 100V-250Vac, 6A 3) Max power: 1440W-240V, 660W-110V 4) Built-in safety shutters 5) Dual USB interface for parallel charging 6) USB output: 2.1A 6) EU / AU / UK / US Plug Travel Universal Adaptor 7) Size: 61mm x 46mm x 56mmSpecification: General Compatible with Samsung: Galaxy E5 Nokia: 5130XM, N80, 6303c, 5800XM, N79, N96, 7610s, E71, 6210s, 6600s, E66, 3600s, 7310c, N78, 6220c, 5310XM, 5610XM, E51, N81, 6110N, 6120c, 6301, N82, N76, N95, 5700, 7088, E65, 6300, E50, N73, 5500, N71, N72, 6280, 6270, 7360, N70 Package Weight One Package Weight 0.12kgs / 0.26lb One Package Size 6.2cm * 5.8cm * 6.8cm / 2.44inch * 2.28inch * 2.68inch Qty per Carton 80 Carton Weight 9.60kgs / 21.16lb Carton Size 25cm * 30cm * 30cm / 9.84inch * 11.81inch * 11.81inch Loading Container 20GP: 1185 cartons * 80 pcs = 94800 pcs40HQ: 2751 cartons * 80 pcs = 220080 pcs
£4.99
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DS3231 AT24C32 High Precision Clock Module IIC Module Memory Module
1. Size: 38mm (length) X22mm (width) X14mm (height)2. Weight: 8g3. Working voltage: 3.3--5.5V4. Clock chip: High-precision clock chip DS32315. Clock accuracy: Within 0-40 degree C, accuracy 2ppm, annual error about 1 minute6. With 2 calendar alarm clocks7. Programmable square wave output8. Real-time clock generates seconds, minutes, hours, week, date, month and year time, and provides leap year compensation valid to 2100 years9. The temperature sensor inside the chip has an accuracy of +/- 3 degree C10. Memory chip: AT24C32 (storage capacity 32K)11. IIC bus interface, high transmission speed 400KHz (when working voltage is 5V)12. Can cascade other IIC devices, 24C32 address can be modified by short circuit A0 / A1 / A2, the default address is 0x5713. With rechargeable battery LIR2032 to ensure that the clock still runs normally after the system is powered off14. Packing: Single anti-static packaging15. Wiring instructions (taking Arduino uno r3 as an example):SCL -- A5SDA -- A4VCC -- 5VGND -- GND16. DS3231 is a low-cost, high-precision I2C real-time clock (RTC) with integrated temperature-compensated crystal oscillator (TCXO) and crystal. The device contains a battery input, which can maintain accurate timing when the main power is disconnected. The integrated crystal oscillator improves the long-term accuracy of the device and reduces the number of components in the production line. The DS3231 offers commercial and industrial temperature ranges and is available in a 16-pin 300mil SO package.17. RTC saves seconds, minutes, hours, day, date, month and year information. Months less than 31 days will automatically adjust the end of the month, including corrections for leap years. The working format of the clock can be 24 hours or a 12-hour format with / AM / PM indication. Provide two configurable calendar alarms and a configurable square wave output. The address and data are transferred serially via the I2C bidirectional bus.Sophisticated, temperature-compensated voltage reference and comparator circuits are used to monitor VCC status, detect power failures, provide reset outputs, and automatically switch to backup power when necessary. In addition, the / RST monitor pin can be used as a manual input to generate a μP reset.18. In addition to high timing accuracy, the DS3231 also has some other functions that expand the additional functions and selection range of the system host. The device integrates a very accurate digital temperature sensor, which can be accessed through the I2C * interface (just like time). The accuracy of this temperature sensor is +/- 3 degree C. The on-chip control circuit can realize automatic power supply detection and manage the power supply switching between the main power supply and the backup power supply (that is, the low-voltage battery). If the main power supply is powered down, the device can continue to provide accurate timing and temperature without affecting performance. When the main power supply is re-energized or the voltage value returns to the allowable range, the on-chip reset function can be used to restart the system microprocessor.Specification: Package Weight One Package Weight 0.01kgs / 0.03lb One Package Size 8cm * 5cm * 5cm / 3.15inch * 1.97inch * 1.97inch Qty per Carton 500 Carton Weight 7.00kgs / 15.43lb Carton Size 30cm * 30cm * 38.9cm / 11.81inch * 11.81inch * 15.31inch Loading Container 20GP: 761 cartons * 500 pcs = 380500 pcs40HQ: 1768 cartons * 500 pcs = 884000 pcs
£2.99 £1.99
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MPPT 12V/24V Automatic Identification Solar Controller With USB Output, 30A, 40A, 50A, 60A
Features:1. Stable performance: Built-in industrial microcontroller, it can run stably in cold, high temperature and humid environment.2. The 12V/24V voltage can be automatically identified and intelligentized, providing more convenience for your life.3. Large LCD display: to ensure simple and intuitive operation.4. Dual USB output: easily connect to the mobile phone, you can quickly and powerfully charge the mobile phone.5. Comprehensive protection: provide overcharge, overdischarge, overload protection and short circuit and reverse connection protection.6. Wide load work: easy to apply to different types of street lights and monitoring equipment.7. Wide range of applications: used for solar green light, solar billboards, solar insecticidal lights, solar power systems, ship solar power systems, solar power systems, etc.parameter:1. Rated charging current: 30A 40A 50A 60A2. Rated load current: 30A 40A 50A 60A3. Working voltage: 12V / 24V4. Floating charging voltage: 13.8V / 27.6V (adjustable)5. Undervoltage protection: 10.7V / 21.4V (adjustable)6. Charger controller specification charging method: 3 kinds7. Working temperature: 35-60 degrees Celsius8. Storage temperature: 40 -70 degrees CelsiusSpecification: Package Weight One Package Weight 0.37kgs / 0.81lb One Package Size 19cm * 11cm * 5cm / 7.48inch * 4.33inch * 1.97inch Qty per Carton 78 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 78 pcs = 13806 pcs40HQ: 412 cartons * 78 pcs = 32136 pcs
£7.99 - £8.99
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PULUZ PULUZ Wireless Lavalier Noise Reduction Reverb Microphone for Type-C / USB-C Device, Support Phone Charging, Type-C Wireless Microphone
Features1. Plug & play: Easy to use, switch on and plug in the receiver to connect automatically. The cell phone microphone has a mini body, it is an easy clip-on mic and enhances personal privacy protection, portable storage bag allows you to take it anywhere. This clip-on mic is a tailored gift for whom loves live stream, vlogging, recording video, etc. 2. Compatible Android devices: Wireless lapel microphone compatible for Android Phone/ Tablet with USB Type-C port (Support OTG function). 3. Performance wireless system: The transmission mic built in rechargeable battery. 20M/65Ft Barrier-free connection, 360 degree omnidirectional sound reception, recording every detail. 4. Real-time auto-sync technology: The wireless mic supports multi-channel real-time mixing, it can synchronize the background music for phone and human voice in real time, reduce the video post-editing, offers professional full band audio. 5. Support phone charging: The receiver with input charging interface, support phone chargingSpecificationsPerformance parameters: 1. Chip: Professional 2.4GHz wireless microphone chip 2. Microphone Sensitivity: -38dbm 3. Normal mode recording sample rate: 44.1K 4. Noise reduction mode recording sampling rate: 32K 5. Transmit power(MAX): 10dbm 6. Indoor barrier-free straight distance: 15-20 meters 7. Outdoor barrier-free straight distance: About 10 meters 8. Charging port: Type-C 9. Material: ABS The working current parameters of the transmitter (TX): 1. Battery capacity: 70mAh (LIR1254) 2. Power off power consumption: 2.6uA 3. Power consumption: 4mA (Power on no pairing with the receiver ) 4. Power consumption: 10mA (Power on and pairing with the receiver) 5. Power consumption: 6mA(Entering silent mode ) 6. Charging current: 70mA The working current parameters of the transmitter (RX): - Power consumption: 16mA(Plug-in phone)Specification: General Certificate CE, MSDS, ROHS, UL, CCC, EMC Package Weight One Package Weight 0.09kgs / 0.20lb One Package Size 15cm * 8cm * 4.5cm / 5.91inch * 3.15inch * 1.77inch Qty per Carton 100 Carton Weight 8.20kgs / 18.08lb Carton Size 49cm * 39cm * 45cm / 19.29inch * 15.35inch * 17.72inch Loading Container 20GP: 310 cartons * 100 pcs = 31000 pcs40HQ: 719 cartons * 100 pcs = 71900 pcs
£4.99
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Desktop Punching Ball Stress Relief Buster Speed Fitness Vertical Boxing Ball with Suction Holder, HW-1102
1. Made of high quality PU leather, good elasticity. 2. Heavy duty suction cup and metal spring, sticks to any smooth flat surface, stays securely attached hit after hit! 3. Great for anyone, perfect for home or office stress relief! 4. Not only a stress reliever toy but also the great fitness equipment toy for children. 5. Suitable for boxing practice, stress relief, or just fun exercise.Specification: Package Weight One Package Weight 0.67kgs / 1.47lb One Package Size 21cm * 12cm * 20cm / 8.27inch * 4.72inch * 7.87inch Qty per Carton 20 Carton Weight 13.80kgs / 30.42lb Carton Size 58cm * 45cm * 44cm / 22.83inch * 17.72inch * 17.32inch Loading Container 20GP: 232 cartons * 20 pcs = 4640 pcs40HQ: 539 cartons * 20 pcs = 10780 pcs
£4.99
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DT2234C Digital Laser Tachometer RPM Meter Non-Contact, DT2234C
This non-contact tachometer is a professional and practical motor speed meter to measure the revolutions per minute(RPM) with wide measuring range and high resolution. Its featured with high accuracy measurement, quick measuring time and long detecting distance up to 500mm(20 inch) with laser. This tachometer is very easy to use by applying a reflective tape(included 3 in package) on target object, then aim at the mark by laser beam. This tachometer has wide range of applications, such as measuring rotating speed of machine, motors, wheels, lathe for metal or wood cutting work, electrical fan, paper making, plastic industry, chemical fiber, washing machines, car making etc.Specification: Package Weight One Package Weight 0.42kgs / 0.92lb One Package Size 20cm * 15.5cm * 5.5cm / 7.87inch * 6.1inch * 2.17inch Qty per Carton 40 Carton Weight 15.00kgs / 33.07lb Carton Size 67cm * 52cm * 18cm / 26.38inch * 20.47inch * 7.09inch Loading Container 20GP: 425 cartons * 40 pcs = 17000 pcs40HQ: 987 cartons * 40 pcs = 39480 pcs
£12.99