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10Pcs 5V 16M ATmega328P Arduino Compatible Version LilyPad 328 Main Board Description: The Arduino Compatible LilyPad is a microcontroller board designed for wearables and e-textiles. It can be sewn to fabric and similarly mounted power supplies, sensors and actuators with conductive thread. The board is based on the ATmega328 with the Arduino bootloader. The main board has a minimum number of external components to keep it as small (and as simple) as possible. The latest version supports automatic reset for even easier programming. The back side of the LilyPad is completely flat. It uses a surface mount programming connector, which keep the header from poking through. Specification: Microcontroller: ATmega328P Operating voltage: 2.7V ~ 5.5V (recommended 5V) Input voltage: 2.7V ~ 5.5V (recommended 5V) Digital I/O pins: 14 (of which 6 provide PWM output) Analog input pins: 6 DC current per I/O pin: 40mA Flash memory: 16KB (of which 2KB used by bootloader) SRAM: 1KB EEPROM: 512bytes Clock speed: 16MHz Note: Don't power the LilyPad Arduino with more than 5.5V, or plug the power in backwards: you'll kill it. Package included: 10 x Arduino compatible LilyPad ATmega328P

10Pcs CD4017 Light Water Kit Voice Control Water Lamp Kit Electronic DIY Kit Feature: The circuit is easy to install, just need to correct welding, after completed soldering, you can normally use it. The microphone turn the external sound into a current signal, amplified by a transistor Q1 into the integrated circuit U1. U1 has 10 output terminal, respectively control an LED light tube. The volume and frequency of the sound control the brightness and the number of the light emitting brightness of the luminotron. The louder the sound, the brighter the LED, the more number of light. Note: We don't offer any manuals, only has schematic, please note about this before you buy it, sorry for the inconvenience. Package included: 10 x CD4017 Light Water Kit

10Pcs 3X Magnification Loupe Lens Mini Credit Card Size Feature: This product is ultra-thin portable magnifying glass. When you reading newspapers not very clearly, then you can use it. It's very suitable for middle-aged or old people whose eyes can't cee clearly. It has moderately multiples (magnification), easy to carry, can put in the purse, wallet, do not take a place. It is very practical necessities in home repair, traveling, collecting stamps and presbyopia reading. Description: Length:8.5cm Width:5.5cm Thickness: 0.45mm Material: PVC Multiple: 3X Weight:3g Function: amplify Note: Credit card not included! Magnification Lens only! Package includes: 10 x Magnification Lens

10Pcs I2C RTC DS1307 AT24C32 Real Time Clock Module For AVR ARM PIC SMD Description: 24C32 32K I2C EEPROM memory Using LIR2032 rechargeable lithium battery with charging circuit Solve the problem of no literacy of the DS1307 with backup battery Support timing 1 year of the DS1307 after fully charged Leads to the DS1307 clock pin provides a clock signal for the microcontroller Other I2C devices can be cascaded Size: 27 x 28 x 8.4mm Note: Because of shipping restrictions, we won't ship battery Package included: 10 x DS1307 module (battery is not included)

FAST AFFORDABLE COURIER SHIPPING TO SOUTH AFRICA Description: This super small mono amplifier is surprisingly powerful - able to deliver up to 2.5 Watts into 4-8 ohm impedance speakers. Inside the miniature chip is a class D controller, able to run from 2.0V-5.5VDC. Since the amp is a class D, its very efficient (over 90% efficient when driving an 8Ω speaker at over half a Watt) - making it perfect for portable and battery-powered projects. It has built in thermal and over-current protection but we could barely tell it got hot. There's even a volume trim pot so you can adjust the volume on the board down from the default 24dB gain. This board is a welcome upgrade to basic "LM386" amps! CJMCU The A+ and A- inputs of the amplifier go through 1.0uF capacitors, so they are fully 'differential' - if you don't have differential outputs, simply tie the Audio- pin to ground. The output is "Bridge Tied" - that means the output pins connect directly to the speaker pins, no connection to ground. The output is a high frequency 250KHz square wave PWM that is then 'averaged out' by the speaker coil - the high frequencies are not heard. All the above means that you can't connect the output into another amplifier, it should drive the speakers directly. CJMCU Comes with a fully assembled and tested breakout board. We also include header to plug it into a breadboard and a 3.5mm screw-terminal blocks so you can easily attach/detach your speaker. You will be ready to rock in 15 minutes! Features: - Output Power: 2.5W at 4Ω, 10% THD, 1.5W at 8Ω, 10% THD, with 5.5V Supply - 50dB PSRR at 1KHz - Filterless design, with ferrite bead + capacitors on output. - Fixed 24dB gain, onboard trim potentiometer for adjusting input volume. - Thermal and short-circuit/over-current protection - Low current draw: 4mA quiescent and 1uA in shutdown mode Note: Speaker is not included, use any 4 ohm or greater impedance speaker. Package included: 10 x Audio Power Amplifier 10pcs CJMCU-832 PAM8302 Single Channel Class D Audio Power Amplifier Development Board For Arduino 10pcs CJMCU-832 PAM8302 Single Channel Class D Audio Power Amplifier Development Board For Arduino 10pcs CJMCU-832 PAM8302 Single Channel Class D Audio Power Amplifier Development Board For Arduino

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Features: Material: Alloy Size: 57cm; 80cm/22.5 inch; 31.4 inch 1 input provides 2 outputs. All connections are F socket. Suitable for splitting coax cable - aerial, freeview, virgin media etc. Package included: 10 x F Socket T Splitter Adaptor

Description: This super small mono amplifier is surprisingly powerful - able to deliver up to 2.5 Watts into 4-8 ohm impedance speakers. Inside the miniature chip is a class D controller, able to run from 2.0V-5.5VDC. Since the amp is a class D, its very efficient (over 90% efficient when driving an 8Ω speaker at over half a Watt) - making it perfect for portable and battery-powered projects. It has built in thermal and over-current protection but we could barely tell it got hot. There's even a volume trim pot so you can adjust the volume on the board down from the default 24dB gain. This board is a welcome upgrade to basic "LM386" amps! CJMCU The A+ and A- inputs of the amplifier go through 1.0uF capacitors, so they are fully 'differential' - if you don't have differential outputs, simply tie the Audio- pin to ground. The output is "Bridge Tied" - that means the output pins connect directly to the speaker pins, no connection to ground. The output is a high frequency 250KHz square wave PWM that is then 'averaged out' by the speaker coil - the high frequencies are not heard. All the above means that you can't connect the output into another amplifier, it should drive the speakers directly. CJMCU Comes with a fully assembled and tested breakout board. We also include header to plug it into a breadboard and a 3.5mm screw-terminal blocks so you can easily attach/detach your speaker. You will be ready to rock in 15 minutes! Features: - Output Power: 2.5W at 4Ω, 10% THD, 1.5W at 8Ω, 10% THD, with 5.5V Supply - 50dB PSRR at 1KHz - Filterless design, with ferrite bead + capacitors on output. - Fixed 24dB gain, onboard trim potentiometer for adjusting input volume. - Thermal and short-circuit/over-current protection - Low current draw: 4mA quiescent and 1uA in shutdown mode Note: Speaker is not included, use any 4 ohm or greater impedance speaker. Package included: 10 x Audio Power Amplifier

Use: This adapter makes it easy to connect the ESP8266 to the PC via the serial port. Feature: 1. Using CH340 serial chip, stable performance, good compatibility, almost all the Windows system can compatible. 2. Adapter board integrated 1000uF solid capacitor, to ensure that the current supply, don't make WIFI module with power problem crash no response. 3. Using 3225 chip crystal, to enhance the stability of the serial port. 4. Quantity: 10pcs Package includes: 10 x USB To ESP8266 Serial Adapter

Scope: Mainly used in battery (9V or 12V) voltage monitoring, simple and practical, support sound and light alarm. Features: When the buzzer low voltage will "DiDiDi" sounds and the red LED lights up, when the battery voltage rise above to the set value, buzzer will stop alarm. Size: 2.9 x 3 cm The main chip: LM358 9V Battery: When a battery over-discharge (battery voltage drops below about 8V), the red lights and the buzzer calling to achieve sound and light alarm, to achieve control battery discharge status, prevent over-discharge battery, and damage battery; 12V Battery: When a battery over-discharge (battery voltage less than 10.4V), the red lights and the buzzer calling to achieve sound and light alarm, to achieve control battery discharge status, prevent over-discharge battery, and damage battery; Advantages: With a sound and light alarm, simple and practical. The module input with reverse protection, if reverse polarity power input will not burn. But without overvoltage protection, if the input exceeds 15V, the chip above the module will burn out. Adjustment method: 9V Battery: Input 9V, the LM358 voltage adjustment between 2 feet and 4 feet to about 5.78V, the alarm voltage is 8V (we has set it before shipment, so you don't need to adjust it again). Clockwise adjustment, 2 feet and 4 feet voltage is reduced, the sensitivity increased. 12V Battery: Input 12V, The LM358 voltage adjustment between 2 feet and 4 feet to about 6.05V, the alarm voltage is 10.4V (we has set it before shipment, so you don't need to adjust it again). Clockwise adjustment, 2 and 4 feet voltage is reduced, the sensitivity increased. Package includes: 10 x Battery Over-discharge Protection Module

Description: Type: 5.5V 4.0F super capacitor H Style Withstand voltage: 5.5V Capacitance: 4F Temperature range: -40 ??~ +70 ??/span> Long life cycles: 1200000 times charge and discharge Low ESR fast charge only few seconds Large current discharge Green pollution-free Wider practicability for car starting, solar wind and other ect. Safe and easy to use Don't need to maintain within 1200000 cycles. Size: 24.6 x 6mm Package included: 10 x 5.5V 4F Farah capacitor

Specifications: Operating voltage: 2.5V-5.5V Maximum output power: 3W*2(5V 4Ω) Length: 29mm Width: 20mm Overall height after installed is about 16mm. Note: Please make sure the power supply is not more than 5.5V and please don't do reverse polarity for "+" and "-", or else, it will burn the board. Package included: 10 x PAM8403 Audio Amplifier Module