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600pcs/lot 30Values* 20pcs 1% 1/4 W resistor pack set diy Metal Film Resistor kit use colored ring resistance (10 ohms~1 M ohm)

PS2 Wireless Controller Game Pad Joystick 2.4G Handle Arduino Robot DIY Platform

DC 12V Hot Water Circulation Pump 800L/H Brushless Motor Water Pumps Food Degree TE091

Dimensions: Approx 10cm x 4.5cm x 9cm(L x W x H)


Color: Black


Rated voltage: 12V DC


Power: 19W

DC Micro Motor Small LED lights Vertical Axis Wind Turbine Generator Blades

SIM900A V3.8.2 Wireless Extension Module GSM GPRS Board with Antenna Kit
- Onboard two sets of power interface VCC5 5V power supply, VCC4 interface, 4.8-5.2V power supply, optional power supply self-start (default) and control start.- Onboard SMA (default) and IPXmini antenna interface, SIM900A interface retains reset.- The size of the module is 49 * 50mm, all new and original equipment.- The computer can power the early computer debugging USB module, and there is a very large amount of data under the recommended current of more than 1A.- You can set up dozens of MA data in standby to provide 10MA low power sleep and sleep.

 315Mhz RF Transmitter and Receiver Module link kit for Arduino/ARM/MCU/Raspberry pi

ESP8266EX ESP-01 Serial Wireless WiFi Transceiver Receiver Module 1MB SPI Flash DC3.0-3.6V Internet of Things WiFi Module Board Compatible with Arduino
Model: Esp-01.Compatible with Arduino. Support 3 modes: AP, STA, AP + STA

2.12.0.0

NRF24L01 2.4GHz Wireless RF Transceiver Module with NRF24L01 Socket Breakout Adapter 8 Pin Plate Board Breakout Adapter with on-Board 3.3V Regulator
NRF24L01 Wireless Transceiver Module: Built-in 2.4Ghz antenna: available software to set the address, only received local address when output data(Provide interrupt instruction), can be directly connected to a variety of microcontrollers. Compatible with Arduino and Raspberry Pi.

NRF24L01 Wireless Module Transceiver 2.4 GHz + SMA Antenna +  Breakout Adapter On-Board 3.3V Regulator - Arduino
【NRF24L01】is 2.4GHz ISM band transceiver for arduino, which has the abilities of auto-acknowledge and auto-retransmit and support up to six channels of data reception.
【NRF24L01】Includes on board support components and the RFX2401C which is the PA (Power Amplifier) and LNA (Low-Noise Amplifier)
【NRF24L01】The module has 5V tolerant inputs which allows for direct connection of SPI pins to the Arduino.
【Wireless Module】Small power on SMD LED indicator; On-board 3.3V voltage regulator accepts your Arduino +5V supply and provides 3.3V for the attached "NRF24L01+" module.

51 MCU development board STC89C52 learning board AVR minimum system AT89S51
1. Product Name: nh5100 development board
2. Main control chip: STC89C52
3. Crystal frequency: 11.0592m/12m

DC 12V Mini Submersible Water Pump 300L/H 63 Gallon Pump
VOLTAGE--DC12V/4.5W （AC is forbiden, Red wire "+" Black wire "-"）
Overvoltage Protection-If the voltage over DC12+1.5V, the water pump will power off.
Specification-Max Flow: 300L/H (63 Gallon); H-Max (Lift height): 0-3m
No Self-priming function-It must be completely immersed in water when using.
Detachable & Cleanable-Use only in clean water, not corrosive liquids. Can be disassemble if you need.

Smart Car Robot Tire Wheel with DC 3-6v Gear Motor
Parameter Operating voltage: 3V ~ 6V DC
Reduction ratio: 1:48
Maximum torque: 800k.cm
Tire diameter: 65mm,Tire thickness: 28mm