Diy 12v

DIY 12V DC 5A 50W Mini Electronic Semiconductor Refrigerator Radiator Cooling Equipment Kit

FAST AFFORDABLE COURIER SHIPPING TO SOUTH AFRICA Feature: - Power supply: 12V 5A - Power: about 50W - For small space cooling - Outstanding effect The lowest temperature it can reach depends on the use of space and the temperature of the environment. Generally speaking, the smaller the space and the lower the ambient temperature, the lower the temperature can be achieved. Within 5L space, the temperature can be reduced to 5-8 ￢ﾄﾃ lower than normal. Package included: 1 x Semiconductor Refrigerator Radiator Cooling Equipment Kit DIY 12V DC 5A 50W Mini Electronic Semiconductor Refrigerator Radiator Cooling Equipment Kit DIY 12V DC 5A 50W Mini Electronic Semiconductor Refrigerator Radiator Cooling Equipment Kit DIY 12V DC 5A 50W Mini Electronic Semiconductor Refrigerator Radiator Cooling Equipment Kit

Buy DIY 12V 8 x AA Battery Holder Box Case With Leads Switch for R178.00

3pcs DIY 12V 8 x AA Battery Holder Box Case With Leads Switch Feature:Material: ABS impact resistant materialHardware: Nickel-plated steelSpring: Nickel-plated steelRivet: NoneWire: 1007 # 26AWGColor: BlackPackage included:3 x DIY 12V 8 x AA Battery Holder Case Box With Leads Switch

Feature: Material: ABS impact resistant material Hardware: Nickel-plated steel Spring: Nickel-plated steel Rivet: None Wire: 1007 # 26AWG Color: Black Package included: 3 x DIY 12V 8 x AA Battery Holder Case Box With Leads Switch

DIY Electronic LED Spectrum Display Training Kit Voice Control Description: Board size: long 11CM, wide 1.8CM, plate thickness 1.6MMPlease allow 2mm toleranceA: 5V Red LED Spectrum KitB: 5V Blue LED Spectrum KitC: 5V Green LED Spectrum KitD: 12V Red LED Spectrum KitE: 12V Blue LED Spectrum KitF: 12V Green LED Spectrum Kit Function introduction: 1, Through the microphone to collect the external sound, according to the sound intensity, the LED will jump.2, Keys can be set to 3 modes, after setting the mode,it will be saved when power down. A, column mode B, column floating point mode C, single floating point mode3, Precision adjustable resistance adjust sensitivity, compared to the quality of the adjustable resistance is much better.4, Input voltage 5V or 12V, 12V version is more sensitive.Package included:1 x DIY Electronic LED Spectrum Display Training Kit Voice Control

DIY 3W 12V 0-250MA 145x145x2.5mm Solar Panel Polysilicon Solar Cell Description: Operating voltage: 12V Power: 3W Operating current: 0-250MA Dimension: 145 x 145 x 2.5mm Scope: Solar garden lighting Small home lighting system Solar street lighting Solar outdoor advertising For a variety of low-power appliances, emergency lights, advertising lights, traffic lights, home fans, solar water pumps, solar lights and small solar systems Features: High conversion rate, high efficiency output Excellent low-light effect Epoxy resin with high transmittance quality, hardness 80, surface scratches can not be avoided, but does not affect the results Note: Because of the factory batch, the appearance may differ, but the size and function are the same. Package included: 1 x 3W 12V Solar Panel

DIY TDA2030A Audio Amplifier Board Kit Mono Power 18W DC 9V-24V Features: TDA2030A is widely used as Hi-Fi amplifier manifold in many computer active speakers. Easy Installation. It has the function of thermal shutdown, current limiting. Minimum transmission distortion Specifications: Output power: Maximum 18W Supply voltage: DC 9V-24V (recommended DC 12V, this voltage to the heat sink requirements are very low;) Maximum supply of this board is actually up to 40V, but you need to change the board's own electrolytic capacitor C1, the capacitor voltage value is higher than supply voltage can be use.) Quiescent current: about 25mA (disconnect to tone, connect to 8Ω speaker, 12V power supply.) Speaker impendance: 4Ω-8Ω Total harmonic distortion: THD 0.08% (Po=0.1 to 14W, RL=4Ω) SNR: 94dB-106dB (1W-15W) Heat: The higher the supply voltage, the great the volume, the higher the heat Note: This is DIY kit, you need to solder it by yourself! Package includes: 1 x DIY TDA2030A Audio Amplifier Board Kit

DIY XD-221 12V DC 6A 73W Semiconductor Refrigerator Cooling Equipment Kit Home-made Refrigerator Description: Power supply requirements: DC12V6A Whole kit power consumption: 70W (refrigeration piece) +3W (fan) Cooling power: 50W Size: 130*130*89mm Package included: 1 x Semiconductor Refrigerator Cooling Equipment Kit Experiment with the semiconductor refrigerator cooling equipment kit under 24.5℃ (other devices are not included)

DIY XD-2029 120W Large Flat Semiconductor Refrigerator Cooling Equipment Kit 12V-15.4V DC 7A-10A Description: Recommended voltage: 12V Maximum power: 120W (when the voltage is 15.4V) Maximum current: 10A Steady current: 7A Cooling flat size: 180mm x 95mm Package included: 1 x Semiconductor Refrigerator Cooling Equipment Kit

DIY QRP Pixie Kit CW Receiver Transmitter 7.023MHz Shortwave Radio Feature: Power supply: 9V-12V (Recommended 9V laminated battery) Antenna: 50 ohm, unbalanced Frequency range: transmitter local oscillator frequency: 7023kHz; receive local oscillator frequency: about 7023-7026KHz Headphones: low-impedance headphones Transmit power: 0.8W (using a 9V power supply), 1.2W (12V power supply) Suppress spurious (harmonic):-20dB Note: This is a DIY kit, you need to have some soldering skills. Instruction: Click here to open Package included: 1 x DIY QRP Pixie Kit  

DIY NE555 Square Wave Signal Generator Pulse Generator Electronic Production Kits Parameter: Main chip: NE555Input voltage: DC 5V-15VInput current ? 100MAOutput current: 15MA-35MAOutput amplitude: 4.2V-11.4V V-PPMaximum output current:? 15MA (5V supply, V-PP greater than 50%),? 35MA (12V supply, V-PP greater than 50%) Application scope: 1. It is used as a square wave signal generator to generate square wave signals for experimental development and use.2. Used to generate a square wave signal that drives a stepper motor driver.3. Generate adjustable pulses for use by the MCU.4. Generate adjustable pulses to control the associated circuitry. Features: 1. Output with LED indication; (the LED is on when in the low level, the LED is on when in the high level, and the LED is flashing when the frequency is low) 2. The output frequency range is optional (use the short-circuit cap) to make the output frequency more continuously adjustable;low frequency range: 1Hz - 50Hzintermediate frequency range: 50Hz - 1kHzhigh frequency range: 1KHz - 10kHzhigh frequency range: 10kHz - 200kHz 3. The output duty cycle can be fine-tuned, the duty cycle and frequency are not separately adjustable, and the duty cycle is adjusted to change the frequency. 4. The output frequency is adjustable;cycle T=0.7(RA 2RB)CRA, RB is 0-10K adjustable;C=0.001UF at low frequency;in the middle frequency range, C=0.1UF;in the high-frequency file C=1UF;high frequency file C=100UF Package included: 1 X DIY NE555 square wave signal generator pulse generator kits

DIY Radio 40M CW Shortwave Transmitter Kit Receiver 7.023-7.026MHz Brief introduction: This kit is a classic low-power transceivers. This is a very small volume of simple 40 meter band micro-power amplitude telegraph transceiver uses a 9V square battery. The reception is good, highly readable code, is the entry of the most junior amateur radio choice! Technical parameters: Power supply: DC 9V-14V Antenna: 50 ohm, unbalanced Receive quiescent current: 10mA @ 9V Transmit power: 0.8W @ 9V, 1.2W @ 12V Frequency range: launch 7.023MHz, receive 7.023-7.026MHz (7.023MHz crystal) Mode: CW Shell selection and installation: Beautiful metal case not only for item considerably, and can effectively shield nearby interference. There are many optional shell, for example, metal cans, aluminum boxes, medical elongated aluminum box and so on. Select the box in time to pay attention as easy to open, because the battery ran out and need replacing. Recommendations: The confidential achieve better results, set the antenna performance can not be less than the full length of the horizontal half-wave dipole antenna, in conjunction with the use of Simple Barron, antennas should be kept away from sources of interference, such as fluorescent lights, computer monitors, switching power supplies and other equipment as much as possible with the coaxial cable as feeders to reduce possible interference received, as a small selection of the broadcast interference morning or late at night listening to get the best results listen to SSB and CW signals signal. Note: We don't supply any manuals please note about this before you order it. Package included: 1 x Shortwave Transmitter Receiver 7.023-7.026MHz QRP Pixie Kit

Description: Board size: long 11CM, wide 1.8CM, plate thickness 1.6MM Please allow 2mm tolerance A: 5V Red LED Spectrum Kit B: 5V Blue LED Spectrum Kit C: 5V Green LED Spectrum Kit D: 12V Red LED Spectrum Kit E: 12V Blue LED Spectrum Kit F: 12V Green LED Spectrum Kit Function introduction: 1, Through the microphone to collect the external sound, according to the sound intensity, the LED will jump. 2, Keys can be set to 3 modes, after setting the mode,it will be saved when power down. A, column mode B, column + floating point mode C, single floating point mode 3, Precision adjustable resistance adjust sensitivity, compared to the quality of the adjustable resistance is much better. 4, Input voltage 5V or 12V, 12V version is more sensitive. Package included: 1 x DIY Electronic LED Spectrum Display Training Kit Voice Control

Description: 12V Car DIY Battery Load Tester Analyzer Voltage Indicator Universal Automotive Material: PC Accuracy: ±0.1 V Standard Terminals: U Type Product Size: 43 x 36 x 11 mm/1.69" x 1.42" x 0.43" Red Wire Length: 11 cm/4.3" Black Wire Length: 31 cm/12.2" Wiring Situation: Red Line - Positive Electrode Black Line - Negative Electrode Lighting Situation: Red light: lower than 11.8V, indicating that the battery needs to be checked or replaced Yellow light: 11.8V TO 12.3V, which means the battery needs recharging Green light: higher than 12.3V, indicating good battery Features: Suitable for all 12V automotive batteries. The back with automotive professional gum (1 mm thickness). Shell for imported PC, wiring for Teflon, can work in harsh environments. New imported PC shell, equipped with military grade high temperature resistant connecting line, high temperature resistance, waterproof steam, anti bump design. Automatic test and analysis of the power level within the microprocessor, respectively drive 3 different color LED display the current state of the battery. Package included: 1 x Battery tester analyzer

Buy DIY 3000W 12V XL150 POWER PURE SINEWAVE INVERTER DC to AC 220V-SOLAR D.I.Y KIT-SOLAR POWER SYSTEM for R19,900.00

Buy DIY TDA2030A Stereo Dual 12V AC 18W Digital Amplifier Board Kit MEGA BASS for R359.00

Buy 12V 240W 2*12710 Electronic Semiconductor DIY Refrigerator Cooler Cooling System Kit for Home Office for R1,634.46

Buy DIY PCB Circuit Board 5MOS Welding Equipment Portable 12V Battery Storage Spot Welding Machine with for R465.00

10pcs 12V DIY 8 x AA Battery Holder Box Case With Leads Switch Feature:Material: ABS impact resistant materialHardware: Nickel-plated steelSpring: Nickel-plated steelRivet: NoneWire: 1007 # 26AWGColor: BlackPackage included:10 x DIY 12V 8 x AA Battery Holder Case Box With Leads Switch

Feature: Material: ABS impact resistant material Hardware: Nickel-plated steel Spring: Nickel-plated steel Rivet: None Wire: 1007 # 26AWG Color: Black Package included: 10 x DIY 12V 8 x AA Battery Holder Case Box With Leads Switch

FAST AFFORDABLE COURIER SHIPPING TO SOUTH AFRICA Specifications: Type: Epoxy solar panels / components Maximum power: 5.2W Material quality: polycrystalline silicon Working current: 0-0.43 (A) Working voltage: 12V Open circuit voltage: 13 (V) Short circuit current: 0.5(A) Size 210x165mm Package include: 1 x Solar Panels,,,,, 5.2W 12V Polycrystalline Silicon Solar Panel 5521DC Output DIY Charging Board 5.2W 12V Polycrystalline Silicon Solar Panel 5521DC Output DIY Charging Board 5.2W 12V Polycrystalline Silicon Solar Panel 5521DC Output DIY Charging Board

Features: 1. Type: 6j1 tube 2. Power input: AC 12V 1A, 5.5*2.5 plug 3. Channle:2.0 / stereo 4. Potentiometer Role: Volume adjustment + Power Switch 5. Size: 77 x 75 x 52mm Note: This is DIY Kits, and you need to assembled it by yourself. Specification: FE-6J1-2 fever tube pre-amp board is the circuit schematic design imitation crew Music fax X-10D,to be rational optimization,more stable performance than the original machine,tube play 10% increase. This board uses a single 12V AC input,the circuit processing provides 6J1 tube needed positive and negative voltage and filament power supply voltage. Power works: an open power tube filament heating is started,when the boost from the zero-voltage start boosting hot filament tube,etc.,also happens to boost boosting finish,so this is the same with the guts rectification,8*470UF the capacitor filter very clean,good power supply system will not have a hum,the filament is 12V DC power supply,need two filament tube is connected in series with a DC filament also in order to reduce the noise. Instructions: 6J1 Tube Buffer 0.85 times magnification, connected between the source and before or after class, can effectively filter digital flavor. 1. AC 12V input: The DC3.5 / 5.5 * 2.1 socket, 12V AC power adapter, if you use non-plug AC 12V transformer, power cord need to solder on the circuit board. Remember: You can not use a DC power input, otherwise it does not work! 2. the left-channel input / right channel input: audio signal input, can be connected to mobile phones, computers, M3, the MP4, and other music players. 3. the left channel output / right channel output: an audio signal output terminal can be connected to the audio signal input amplifier, power amplifier board. 4. the power switch / volume knob: turn the knob counter-clockwise to decrease the volume beginning, when the volume down to the minimum, if it continues to rotate until the "ticking" sound, then the power off, the light goes off; in the closed state, Turn the knob clockwise to hear "tick" sound, light is on, the power is turned on, then the volume is minimal, then continue clockwise rotation is to increase the volume. Package included: 1 x 6J1 value preamp amplifier board diy kits

Buy Mecer 1200VA 720W 12V Inverter with 12v / 200Ah GEL Battery Combo - loadshed solution DIY for R7,750.00

Instructions phone calls lights: Phone calls phone calls lights kit can be used to sense the GSM signal display, sensing distance up to 1 m, is a very interesting DIY module. Electrical characteristics: Supply voltage: 3 to 12V Sensing distance: about 1 m PCB board size: 2.2cm * 2.8cm Scope: GSM mobile phone signal, for CDMA phones are useless Note: This is a DIY kit, you need to assemble it. The circuit theory: The main circuit is amplified antenna sensor signal circuit and circuit. Sensing signal through the antenna 3 to S8050 transistor amplifier to drive the LED, so that light up. When no signal is detected, no calls or no GSM phones, LED circuit is not only detects the signal to light up LED. Inductance of production: Inductance 0.25 to 0.5MM enameled available in pen core above can be around 5-10 laps. After a good round with a blade to scrape paint inductor 2, so we go soldered to the board. Package includes: 5 x DIY Kit

Description: Working current: 12A Working voltage: 12V Rated power: 144W (The power of p ower supply requires over 144W) Dimension: 175 x 166 x 96mm Simple operation, strong practicability Fast cooling, outstanding effect Refrigeration side can be frozen High power, large the use of space DIY small refrigerator, small air conditioner Note: For your convenience, all the components have been assembled. This video is for reference only: Package included: 1 x Enhanced version double head semiconductor refrigerator

Buy 3Pcs Geekcreit 12V 30W DIY TDA2030A Dual Track Power Amplifier Board Kit for R520.00

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Buy 3S 12V 5A DIY Solder-Free Single-sided 3 String 3 x 18650 Lithium Battery Management for R186.30