11.1V 5400mAH LiPo Battery Lithium polymer battery Pack (LiPo) batteries are known for performance and reliability. Lithium polymer battery Pack (LiPo) batteries deliver the full rated capacity at a price everyone can afford. They are equipped with heavy-duty discharge leads to minimize resistance and sustain high current loads and stand up to the punishing extremes of aerobatic flight and RC vehicles. Here is a tutorial video on how to charge your LiPo battery using an iMax B6 multifunctional charger. SAFETY PRECAUTIONS: In order to maintain the efficiency and battery life of the LiPo batteries, avoid overcharging or over-discharging them. LiPo batteries must not be kept near hot devices, surfaces, or substances. This can lead to severe damage and/or fire. To avoid environmental damage, do not throw the Lithium Polymer batteries into water or fire. Never leave this battery on charge unattended. APPLICATIONS FOR THIS PRODUCT: LiPo batteries can be used in RC Cars Quadcopters RC airplanes Power various small low-powered embedded devices. Features of the 11.1V 5400mAH LiPo Battery: Battery Type LiPo Batteries Capacity (mAh) 5400 Output Voltage 11.1V Recommended Charge Rate 1-3C Maximum Discharge rate 40C Maximum Charging Rate 5C Dimensions 106 x 34 x 23 mm Weight 100 grams

11.1V 5500mAh Lipo Battery Lithium polymer battery Pack (LiPo) batteries are known for performance and reliability. Lithium polymer battery Pack (LiPo) batteries deliver the full rated capacity at a price everyone can afford. They are equipped with heavy-duty discharge leads to minimize resistance and sustain high current loads and stand up to the punishing extremes of aerobatic flight and RC vehicles. Here is a tutorial video on how to charge your LiPo battery using an iMax B6 multifunctional charger. SAFETY PRECAUTIONS: In order to maintain the efficiency and battery life of the LiPo batteries, avoid overcharging or over-discharging them. LiPo batteries must not be kept near hot devices, surfaces, or substances. This can lead to severe damage and/or fire. To avoid environmental damage, do not throw the Lithium Polymer batteries into water or fire. Never leave this battery on charge unattended. APPLICATIONS FOR THIS PRODUCT: LiPo batteries can be used in RC Cars Quadcopters RC airplanes Power various small low-powered embedded devices. Features of 11.1V 5500 mAh LiPo Battery: Battery Type LiPo Batteries Capacity (mAh) 5500 Output Voltage 11.1V Recommended Charge Rate 1-3C Maximum Discharge rate 70C Maximum Charging Rate 5C Dimensions 106 x 34 x 23 mm Weight 100 grams

110V~ 220V AC All-Purpose Temperature Control Controller with Sensor 2 Relay Output Thermostat Stc-1000 This is a 110V~ 220V AC All-Purpose Temperature-controlled thermostat switch that can be used to control the heating/cooling of an object with the help of the NTC sensor to detect the temperature. The module is operated by the 220V AC connected at the input terminals. The Temperature module has two output ports where you can connect the equipment to heat or cool the test system. It offers a high-temperature control precision of 0.1?. The temperature control range from -50? to 99?. The LED display shows the results clearly. One can directly install or embed the STC-1000 in the industrial control equipment panel, which is convenient and quick. It features a 1M probe made up of stainless steel material which makes it waterproof and does not let it rust easily. Also, all the delicate and sensitive components are kept safe in ABS flame retardant housing which is avirulent and environmentally protective. Application: Outdoor use uses involving potential chemical contamination or electrical interference Nuclear energy control systems, combustion systems, railroad systems, aviation systems Medical equipment, amusement machines, vehicles, safety equipment, and installations subject to separate industry or government regulations Systems, machines, and equipment that could present a risk to life or property Domestic freezer, water tanks, refrigerator, industrial chiller, steamer, industrial equipment, and another temperature-controlled system.

12-in-1 25 Watt Soldering Iron Kit Set The 12-in-1 25 Watt Soldering iron kit is a simple, easy to use and low cost Soldering kit. It's easy to be used no matter electronics hobbyist or beginner study electronic engineering. This Soldering kits can be used at high temperatures and are long lasting. If you want to learn how to solder, this soldering iron starter kit is  for you. Very convenient and compact. Non-slip soft rubber grip for maximum comfort and safe soldering. A 25W soldering iron that heats up quickly. Intended for both professional work and basic home repairs, or to get teenagers interested in electronics, this soldering kit is very high quality and  worth every penny. Soldering Iron: 230 Volt and 25W Soldering iron used for most of the components soldering. Compatible with most of the soldering Iron tips. Good quality iron with fast heating. DT830D Multimeter with Probe: DT830D Digital Multimeter 1000V DC/750V AC Digital Multimeter with 1M Ohm Impedance is Standard Diagnostic Tool to Measure Two or More Electrical Values Such as Voltage, Current and Resistance. Desoldering Pump: An excellent Desoldering Tool/Solder Sucker help to remove solder from the electric circuit  for troubleshooting, repair, replacement, and salvage. Soldering Iron Stand: A stable well supported metal base low cost soldering iron stand. It can hold, most of the pen-type soldering iron with its spring holder. Desoldering Wick: One Meter long desoldering wick for is composed of copper threads braided together. It is effective for Faster & Cleaner Desoldering. Use it with Heated Soldering Iron to remove the soldered joint. Solder Wire: Solder Wire 10gm is useful if you want to join components and wires, over your PCB. Complete your circuit and join electrically your components through this solder or soldering wire. Pointed Bit Tip for 25W Soldering Iron: A Nickel Plated 3mm Pointed Bit for Soldering Iron, Chisel tip; it can be used with any standard 25W soldering iron. Soldering Bit Cleaning Sponge: The soldering bit cleaning sponge is porous, so it holds water. Helps to knock off any globs of solder that may be clinging to the tip of the soldering Iron. Stainless Steel Straight Tweezer: Non-Corrosive Metal Straight Tweezer for soldering assistance used for extracting SMD components. 150B Wire Stripper and Cutter: A High-grade alloy steel stripper/cutter. The tool suitable for the flush cutting action. It is mainly used to strip and cut the wire with a 12-24 gauge. Electric Line Tester: Electric Line Tester with high quality blade and cellulose acetate plastic Handle. Soldering Paste: High-Quality Rosin and excellent quality of Fluxes and Wax. This enhances the performance of soldering components. This Solder Paste leaves No Black Marks, creates lesser smoke, and leaves No residue during the process of Soldering. Applications: Welding circuit board Appliance repair Jewellery welding Circuit Board testing

12 MHz Crystal Oscillator - (Pack of 10) The 12MHz crystal oscillator circuit sustains oscillation by taking a voltage signal from the quartz resonator, amplifying it, and feeding it back to the resonator. It provides clock pulses of 12MHz frequency. The popularity of the crystals is due to the low cost. How are 12MHz crystal oscillators useful? One of the most important traits of the crystal oscillator is that it exhibits very low phase noise. In the crystal oscillator, the crystal mostly vibrates in one axis, therefore only one phase is dominant. This property of low phase noise makes them particularly useful in telecommunications where stable signals are needed, and in scientific equipment where very precise time references are needed. The result is that a quartz crystal behaves like a circuit composed of an inductor, capacitor and resistor, with a precise resonant frequency.

12 V 1 Channel Relay Board Relay board module is used for controlling higher current loads from your microcontroller development board, pc parallel port or Arduino Uno. This board has one (1) on-board relay which can switch up to 7amps. Relays terminals (c, nc, no) are accessible through screw terminals which makes wiring up the board very easy. The relay is safely driven by transistor bc547 hence your input device, such as Arduino, is protected from relay circuit. There is a freewheeling diode which will further protect your microcontroller from relay kickback. This is a 12v 1-channel relay interface board which can be controlled directly by a wide range of microcontrollers such as Arduino, avr, pic, arm, 8051 and so on.

12 Volt 2 Amp Power Adapter AC to DC This 12V 2A 5.5mm Power adapter is a regulated center-positive power supply with a compact size and lightweight design. It provides stable voltage, high quality, and is an SMPS-based adapter . Suitable for LED monitors, it features a stabilized output, low ripple, and minimal interference, ensuring high efficiency and low energy consumption. Applications: Suitable for CCTV Camera Set Top Box Guitar LED Light

12 Volt Piezo Buzzer Plate (25mm) A 12 Volt Piezo Buzzer Plate (Small) is a device that uses the piezoelectric effect to measure pressure, acceleration, strain or force by converting them to an electrical charge These devices can be used both as sensors and actuators, so they're referred to as transducers, a term applied to any device that can convert one form of energy to another. The sensor turns mechanical energy into electric potential, and the actuator converts electrical energy into mechanical force or motion. The Piezoelectric material used here, ceramic lead zirconate titanate known as PZT has the ability to provide twice the voltage of Quartz under a given force. These transducers are simple, reliable, and very robust, and so find wide use in industry, medicine, and aero-space work. They're unaffected by external electromagnetic fields, and so can be used in applications where electronic sensors would fail. They are stable over a broad range of temperatures, but may be effected by long use at high temperatures. If you want to use this Piezo Buzzer Plate to make small piezo electric generator, for that you will need switch , wires and diodes .

12-0-12 Transformer-500mA It is a 12-0-12 centre tapped step-down transformer, which means it can accept standard 220V AC mains voltage. The Transformer is one of the most important machines that literally transformed the entire Electrical Power Industry. It is an electrical machine that changes the voltage level with great efficiency, allowing power to be transferred over very long distances with little loss. A chassis mounting mains transformer with a voltage range of 12-0-12V and a current rating of 500mA. The transformer's primary winding is 230V, and the secondary winding is center-tapped. The transformer functions as a step-down transformer, converting 230V to 12V . It can be used in small rectifier circuits to charge a 12V battery, power small devices with low voltage ratings such as Arduino, PIC, AVR, Raspberry Pi, and other controllers, and charge mobile phones, among other things.

12-Stage Binary Ripple Counter IC - 74HC4040 The 74HC Series 74HC4040 IC is a 16 Pin 12-Stage Binary Ripple Counter IC having 2V to 6V Operating Voltage range with a 1uA low input current. It has a clock input (CP), an overriding asynchronous master reset input (MR), and twelve parallel outputs (Q0 to Q11). The counter advances on the HIGH-to-LOW transition of CP. A HIGH on MR clears all counter stages and forces all outputs LOW, independent of the state of CP. Each counter stage is a static toggle flip-flop. Inputs include clamp diodes that enable the use of current limiting resistors to interface inputs to voltages in excess of VCC. Pinout: Pinout Of 74HC4040 IC