Description:  It is DIY Kit, must be assemble to work. User need technical operation ability.  Package included:  1 x HIFI Amplifier Passive Tone Board Bass Treble Volume Control Preamp Board DIY Kit

Description: Kit Name: ICL7107 Voltmeter DIY Kit.  PCB size: 70.6*39mm.  Head mounting opening size: 77*40mm.  Display window size: 51*24mm.  Electrical parameters:    Working voltage: DC5V.  Working current: 35mA.  Measurement accuracy: It can be calibrated to get higher precision and no parameters at present.  Measuring...

Feature:  Board size: 5.8*3.7cm.  Power supply voltage: DC6.8-12V.  Note: This is an unassembled kit and you need to solder it.  Package includes:  1 x DIY KIT

Description:  Power Supply: AC 10A 250V;  Terminals Number Switch: 3Pin, Socket: 3Pin;  Total Size(Approx) : 5 x 3 x 2cm / 2' x 1.2' x 0.8'(L*W*T);  Pannel Mouting Size:  47 x 27mm/1.9' x 1.1'(L*W);  Color: Black, Red.     Package Included:  1 x 3Pins Rocker Switch.

Feature:  Circuit board size: 5.2*5.6CM;  Power supply voltage: 3-5V;   Note: No manual SUPPORT.   Package includes:  1 x PCB board;  18 x LED;  3 x resistor 100ohm;  3 x resistance 10K;  3 x Triode 9014;  3 x 47UF capacitor;  1 x battery box

Feature:  Ultra-small size stereo level lights, light bar can be adjusted to rise, the rate of decline and peak lamp residence time, the rate of decline. Each lamp set up a separate current limiting resistor, Ensure the same brightness of the different color lights,...

Parameters:     Power supply voltage: DC 4.5v-5.5v.  PCB size: 88mm * 87mm.  Acrylic shell size: 101.5mm * 100.5mm * 20MM.  package included:  1 x Pentagram LED Kit

Description:   Dimensions: 59*47mm. Supply voltage: 5V. Package included: 1 x 15-channel LED Lantern Controller Kit

Specifications:  RMS Power: 100W*2;  Peak power: 180W+180W;  Channel: 2 CH;  Bluetooth-Compatible: Support;  Load impedance: 4-16Ω;  SNR: 85 db;  FM frequency: 87.5-108MHz;  Distoration rate: 0.05%;  Input Sensitivity: 0.25-5V;  RC power supply: CR2025 battery(not included);  Size: Approx. 23x15x6cm/ 9.06x5.91x2.36'';  Operating voltage: 110-220V;  Car: DC12-24V;  Plug: EU...

Feature: Melody audible, visual music! Five-point LED audio level indicator kit.  This package LED indication logarithmic 5:00 KA2284 integrated circuits as the core,  which is characterized as follows: 1. Constant current output.  2. a wide operating voltage (3.5V--12V).  3. The ALC circuit without telescoped...

Description: OPS-1 light control switch has two trigger modes and two output modes: 1). Set trigger mode by JMP1: Light trigger mode (1-3): When the photosensitive resistance induction to the outside light from the matt to light or light gradually increased, the relay pull....

Feature:   Model: MDS-60.  Working voltage: DC3-5V.  Standby current: ≤ 5mA.  Working current: ≤40mA.  Measure depth: ≤ 60 mm.  Measure alarm mode: sound, light.  PCB size: 86 x 61mm.    Package includes:   3 x DIY Metal Measure Kit

Note: This is a DIY kit, you need to assemble it.  Description: The Kit is integrated circuit TDA2030 as the center of power amplifier, with less distortion, peripheral components, simple assembly, large power, high fidelity, etc.  Feature: Working voltage: 12V 30W  ac double.  The...

Description: The light changes from bright to dark, and then gradually changes from dark to bright, feeling like a person is breathing. Widely used in digital products, computers, audio, automotive and other fields, has played a very good visual decorative effect.  Power supply voltage...

Description:  Hat PIR is an compatible human body induction sensor, it belongs to 'Passive pyroelectric infrared meter', that detect the infrared come from the human body. When the infrared is detected, the sensor will output HIGH and last for two seconds until the next detecting...

Description:  The suite,adopt a warning lamp circuit NE555 and CD4017 chip simulation to make blue LED and red LED flashing, respectively, according to the pulse adjusting RP1 flicker frequency can be adjusted. Working circuit voltage of DC9-12 v, suite does not contain the power...

Description:  DIY Music Spectrum Bluetooth Speaker Two-channel Audio MP3 Mini Amplifier Electronic Production Kit -2021.    Features:  3.7-5V DC power supply to automatically play music.  3W+3W stereo power amplifier.  Support Bluetooth.  Support power-off memory.  TF memory card/U disk to play music.    Package Included:  1 x Music Spectrum Kit

Description:  BC327(PNP);  BC337(NPN);  BC517(NPN);  BC547(NPN);  BC548(NPN);  BC549(NPN);  BC550(NPN);  BC556(PNP);  BC557(PNP);  BC558(PNP);  Footprint: TO-92;  Quantity: Each 20pcs.     Package included:  1 x 200pcs 10 Values 20 Each TO-92 Transistor Assortment Assorted Kit.

Description:  4 Channels Home Amplifier Board DIY Kit 4X41W Support Stereo Surround Sound Car Audio Amplifier Board -2021.    Specifications:  Recommend Voltage: DC12-18V >3A;  1.6mm grade A FR-4 PCB;  Board size: 76*58mm;    Package included:  1 x 4 Channels Home Amplifier Board DIY Kit

Description:  All of the capacitor is marked the value, easy to find what you need.  Small size and large capacity.  Excellent humidity resistance and reliable performance.  Good reliability and high dielectric constant.  It is one of the most widely used electronic components.     Specification: ...