Diy led 3s 12v

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

Specifications: Continuous operating current: Instant operating current: Charging voltage: 12.8 - 16V Charging current: Over-charge protection voltage: single cell 4.2V+/-0.025V Over-discharge protection voltage: single cell 2.9V+/-0.1V Short circuit protection: yes 3.7V cell 3S/18650 multiple parallel Suitable range: sprayer, LED solar street light, electric toy, UPS and other protection board Load power: Dimensions: 56 x 45 x 1.2mm Note: 1. First detect cell voltage is basically stable, then serial connection 2. When soldering protection board, the touch time between soldering iron and protection board should not be too long, within 1.5s is the best. Package included: 1 x 3S 12V 12A lithium battery charger protection board

Specifications: Continuous operating current: Instant operating current: Charging voltage: 12.8 - 16V Charging current: Over-charge protection voltage: single cell 4.2V+/-0.025V Over-discharge protection voltage: single cell 2.9V+/-0.1V Short circuit protection: yes 3.7V cell 3S/18650 multiple parallel Suitable range: sprayer, LED solar street light, electric toy, UPS and other protection board Load power: Dimensions: 56 x 45 x 1.2mm Note: 1. First detect cell voltage is basically stable, then serial connection 2. When soldering protection board, the touch time between soldering iron and protection board should not be too long, within 1.5s is the best. Package included: 5 x 3S 12V 12A lithium battery charger protection board

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 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

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

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

Specification: Material: Metal Size: As shown Color: As shown Feature: 12V input voltage to generate an arc about 2mm. A few simple discrete components condemnation weld can work. Tesla coil mini small package, making simple, hands-on interest in the production of a cultured brain. This coil will wirelessly light up flash frequency tube, neon, LED and also serves as a learning experience about circuits, electricity, and science itself. Makes it easy for science projects and a fun hobby. Notice: 1.Please allow 1-3cm error due to manual measurement.Pls make sure you do not mind before you bid. 2.The color may have different as the difference display, pls understand. Package Included: 1 x PVC Board 1 x Monolithic capacitor 1 x 10K resistor 1 x 1K resistor 1 x 12V Power Socket 1 x Heat sink 1 x Transistor 1 x Secondary coil 1 x Fixing screw 2 x Led Note: Not including the sphere

Feature: Working voltage: DC6V ~ 12V Recommend voltage: DC 9V Recommend battery: CR2032 (3V) Working current: 35mA Standby current: 1.2mA Note: It is kits only. That is to say, all items are not soldered on the PCD board, buyers have to sold them on the pcb board by themselves. We gurantee all items on the following listing included. Only for professionals. Kits assembled is not a very complex work but if you are not professional, item maybe get broken. We cannot offer the warranty for incorrect soldering and assembling. This kit does not includes instructions, please note about this before you order it. Package included: 3 x 6 digital led electronic clock kit (battery is not included)

Parameter:   Main chip: NE555 Input voltage: DC 5V-15V Input current ≥ 100MA Output current: 15MA-35MA Output amplitude: 4.2V-11.4V V-PP Maximum 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 - 50Hz intermediate frequency range: 50Hz - 1kHz high frequency range: 1KHz - 10kHz high 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)C RA, 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:   5 X DIY NE555 square wave signal generator pulse generator kits

Description: Working voltage: 3~12V Board size: 90 x 60 x 1.6mm This DIY SMD practice board suitable to improve soldering level and speed. Package included: 10 x SMD Components Soldering Skill Training Kit

IN STOCK. DISPATCHED/COLLECTION SAME DAY! PRODUCT DESCRIPTION Length: 10 meters                      Led quantity: 150leds/reel                                        Waterproof rating: IP44           Lumen: 10lm per led                           Width:10mm Working temperature: -20~60 degree centigrade 24 Key Remote Input: 12V DC Color: 20 colours Adjustable brightness 5 light patterns: Static, Flash, Strobe, Fade-change, RGB Smooth-change Power supply  Output: 12V Input: 100-240VAC, 50/60Hz, 1.5A     Power consumption: 60W   DC port: 5.5 x 2.5mm (exterior diameter x interior diameter)      Adapter dimensions: 104 x 50 x 30mm   APP Features: Colour: 16 Million colors Adjustable Color temperature DIY allows you create custom colors,modes and speed. Brightness control: From 1% to 100% Sound volume: From 1% to 100% Speed: From 1% to 100% Sync with music and sounds: Depending on the genre of music/sounds, the lights colours will change to follow the rhythm or the melody.  Compatible with Alexa and Google home   Alexa/Google Support Commands Alexa, turn{light name} on/off Alexa, set {light name} to 1%-100% Alexa, dim/brighten  {light name} Alexa, increase/decrease {light name} Alexa, set {light name} to red... Alexa, change the {light name} to the color blue... Alexa, change the {light name} to the cool white Alexa, set {light name} the to daylight Application Widely used for home decorations, hotels, clubs, shopping malls, etc Architectural decorative lighting, boutique atmosphere lighting Extensively applied in Backlighting, concealed lighting, channel letter lighting Emergency & security lighting, advertisement sign lighting Decorative lights for holiday, event, show exhibition Automobile or contour lighting

Dimmable Mirror Lights This 16.4ft led strip light by unique design and development of a simple controller convenient to adjust brightness, the brightness controlled by switch dimmer(included) Super Bright and Safe to Use The led strip lighting kit includes 300 bright LEDs. And the working voltage is 12V, extremely Low Heat. It is touchable. Easy Installation Our LED light strip designated with blue strong adhesive. The LED tape for safe and easy application, clean and dry surface, do not worry about falling off. Widely UseThe LED vanity mirror light kit has excellent heat dissipation, making it much more durable. It is also very suitable for living room, kitchen cabinet, under cabinet, dining room, bedroom, party, stairway, ceiling, etc. Standard KitLED rope lights can be DIY for different size of the mirror,flexible for different shape of the mirror. This LED vanity mirror light kit can be cut between every 3 leds. Come with LED strips, A power adapter and a dimmer.

Specifications: LED Type: SMD 3528 LED Quantity:300 LEDs/5 meters (60 LED/Meter) Power Consumption: 24W/5 meters Luminous Flux: 180-240 Lumens/meter Protection Rate: Waterproof IP65 Beam angle: 120 ° Input Voltage: DC12V Working Current: ≤2A/5 meters Working Temperature: -20 °to 50 ° Drive Mode: Constant Voltage It Is Adjustable: Yes (dimmer required) You Can Trim: Yes (you can cut every three leds) Emitting Color: RGB Different Lights Changing Modes: flash, strobe, fade, and smooth Size: L500cm (5m) x W0.82cm x T0.26cm   Characteristics: *Super bright 3528 SMD top LED with high intensity and reliability *Flexible strip curving around bends and lasting quality *Self-Adhesive Tape on reverse for easy attachment, easy to install *Cuttable every 3 LEDs along the cutting marks, according to your requirement *Long life: 50,000 hours on average *Completely smooth and even light spread, solving the uneven luminous problem, give great decoration effect *Ultra-bright but running at low temperature and low power consumption   Applications: *Widely used for Exterior & Interior decorations such as home, hotel, theaters, clubs, shopping malls, cars. Illuminate colorful home life, DIY household lights for hallways, stairs, trails, windows *Widely used for automobile and bicycle decoration, border or contour lighting *Architectural decorative lighting, Archway, canopy and bridge edge lighting, security lighting and emergency *Popularly applied in Backlighting for signage letters, concealed lighting, channel letter lighting, advertisement sign, emergency lighting *Decorative lights for party, event, shows, exhibitions. Package Included: 1 X Strip Light 1 X 24 Key IR Remote Controller 1 X IR Receiver 1 X 12V 2A Adapter