Description:It is DIY kit, need to assemble it yourself.Color: BluePackage included:5 x DIY LED Round Flash Electronic Production Kit

Features: -EASY AND FAST PROCESS: All-in-one step solder and seal process. No need for crimp tools and soldering machine. Timer and mess saver. -WATERPROOF AND INSULATION: Dual-walled design - Outside Polyolefin tubing provides insulation and improves pullout strength; Hot Melt Adhesive & Solder inside ensures wires...

Luxurious HIFI Amplifier Preamplifier Volume Control Tone Board1000UF/25V DIY Suit -2021.    Specifications:  Power Input: AC12 or AC15V, you can also input DC15V (any one of them);  PCB Size: 90*45MM;  Potentiometer Spacing: 20MM;  The potentiometers are from left to right: bass control, treble control,...

Description:  This is a Frequency Counter based on PIC microcontroller, add and subtract with crystal vibration measurement functions and programmable frequency Settings, five digital tube display, convenient and intuitive, easy to make.    Feature:  Measured frequency range 1 hz to 50 MHZ (1HZ to...

Description:  This is a simple, easy-to-manufacture regulated power supply with current limit adjustment that limits the output current to a range of 0-1A.  and provides an LED indication over the set output current. Just follow the PCB marked to solder it will be OK,...

Descriptions:  Note:This is DIY Kits, you need do it yourself!  Transformer Recommended Voltage: DC12-18V, the battery can also be, positive and negative automatic identification, do not worry reversed. Many of our family router power idle most of them can be used, the current size...

Feature:  Power supply: DC5V;  Circuit board material: FR-4 glass fiber board;  Dimensions: 78mm in diameter;  Made with 28 bright 10mm full-color RGB opalescent LEDs.  PCB board: round 10cm*10cm;  Display mode: 23 display modes.  Support power off memory function, automatically switch to the last display...

Description:  Power supply voltage: AC220V;  Transformer: Dual 12V;  The red wire is connected to the power cord 220V, the blue wire is connected to the circuit board;  Output power: 3W*2;  Size: 140*76*85mm;  Weight: 750g;     Package included:  1 x 220V 2x3W Small Power Amplifier Audio...

Description: Diameter: 16mm; Ambient temperature: -50 ~ +70 C; Relative humidity: up to 98% at +40 C; Atmospheric pressure: up to 4,4 kpa; Vibration: vibration frequency 10 ~ 100Hz, acceleration 100m/s2; Impact: Frequency of 60 to 80 beats/min, acceleration of 250m/s2; Centrifugal: acceleration 250m/s2....

Feature:  Product name: Digital AC Voltage Power Frequency Combination Table.  Product model: Encore CH-72 VHz.  Measurement accuracy: 0.5%.  Hole size: 68*68mm (embedded installation).  Auxiliary power supply: two-wire passive.  Measuring range: voltage AC50-500V, 10.0-99.9hz.     Note:  This meter is only suitable for pure AC 50-60Hz...

Feature:  Common single-op-amp and dual-op-amp Screening circuit board, finished boards, the circuit board can judge whether the IC can be used for amplification, and can roughly judge the conversion rate of the chip.  IC1a in the circuit is connected to a multivibrator with a...

Description:  Output Voltage: 12 V;  Output Current: 1.5 A;  Load Regulation: 240 mV;  Input Voltage MAX: 35 V;  Line Regulation: 240 mV;  Operating Temperature: 0~+ 125℃;  Mounting Style: Through Hole;  Input Voltage MIN: 14 V;  Number of Outputs: 1;  Packaging: Tube;  Polarity: Positive;  PSRR / Ripple Rejection - Typ: 55 dB;  Series: L7812.     Package included: ...

Feature:  Product name: digital display current and voltage meter.  Product model: Encore CH-72 VAHz.  Measurement accuracy: 1%, 2 digital.  Hole size: 68*68mm (embedded installation).  Auxiliary power supply: two-wire passive.  Measuring range: voltage AC50-500V, current 1-120A.  Note: This meter is only suitable for pure AC...

Specification:  Product Name: Intelligent incubation temperature controller.  Temperature measurement range: -30 ~ 110 degree.  Temperature measurement accuracy: 0.1.  Temperature control range: -9.9 ~ 99.9 degree.  Temperature control accuracy: 0.1.  Temperature probe: 1 m probe.  Power supply voltage: DC12V/24V.  Applicable environment: - 15 ~ 55/ 20%...

Specification:  Product name: Mini embedded Temperature Controller.  Temperature measurement range: -50-110 degree.  Temperature measurement accuracy: 0.1 degree.  Temperature control range: -50-110 degree.  Temperature control accuracy: 0.1C.  Temperature measuring probe: Standard 1m waterproof probe.  Power supply voltage: AC/DC5-12V/AC 110-220V.  Applicable environment: -15-20%, 85%RH Output type:...

Description:     Less distortion, better control and resolution.  Single differential input, single-ended voltage amplifier stage, three-stage inverted darington output.  The output stage uses the KTB817, KTD1047.  KEC, ST transistor, CBO capacitor of EVOX production. KEMET, monolithic capacitors TSK.  Supply voltage: +/-15 VA +/-45 V. ...

Feature:  Waterproof Digital Food Thermometer.     Package includes:  1 x Waterproof Digital Food Thermometer

Description:  Size: Length: 120mm*width 120mm, height 200mm;  Weight: about 160g;  Material: wood + plastic accessories + LED bulb + resistance + battery + switch + wire + circuit board;  Color: yellow;    Package included:  1 x IY Energy-saving Lamp kit

Description:  Blocks the broadcast FM band between 88 ?€? 108 MHz with over 50dB of attenuation. Designed for maximum attenuation between 88-108 MHz and the 3dB roll off points are at 76 MHz and 122 MHz.  Insertion loss is less than 0.5 dB between...

DIY Simple LED Dot Matrix Display/Three-color Breathing Light LED Display Kit/DIY Character Display Parts -2021.    Specification:  Name: DIY LED Kit;  Display: LED display;  Weight: 55g;    Package included:  1 x LED Kit.