Product Description Description:   This is an easy make four-layer round led dimensional cylinder kit, it's all use DIP components. It has more than 20 kinds of special led gradient effect. Some kinds of the effect is star-flashing and lightning effect, it also has many spin move effect and led breathing effect. All of the effects is ..

Product Description Working principle: Using the SMD CD4060 control 12 red, yellow and green LED flashing, adjust RP1 can change the speed of flashing, while the music chip issued a wonderful music. The kit uses SMD components and plug-in components, is ideal for practical training requirements. The CD4060 consists of an oscillator and a 14-bit ..

Product DescriptionDescription: 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: 3 x SMD Components Soldering Skill Training Kit..

Product Description Introduction to the circuit principle: IC2: CD4060 is a 14-stage two-way counter with oscillator, R1, R2, RP1, C1 and IC2 9,10,11 feet circuit composed of the oscillator, the oscillation frequency can be adjusted by the RP1. Transistor Q1, Q2, Q3 play a driving role, D1, D2, D3 play a role in the cycle of reset. IC2 Q5, Q6, Q..

Product Description     Product description: The meal taking device also can be call wireless queuing system,the keypad call can send 999 different codes by combination from digits 0-9.  It greatly improves the work efficiency so avoids the client waiting in a long queue.   Specifications: ..

Product Description Introduction to the circuit principle: IC2: CD4060 is a 14-stage two-way counter with oscillator, R1, R2, RP1, C1 and IC2 9,10,11 feet circuit composed of the oscillator, the oscillation frequency can be adjusted by the RP1. Transistor Q1, Q2, Q3 play a driving role, D1, D2, D3 play a role in the cycle of reset. IC2 Q5, Q6, Q..

Product DescriptionSpecifications: Name: handheld voice changer Color: white Powered By: 9V battery (not included) Size: 88 x 60 x 22mm Design: built in microphone and speaker Mode: 8 kinds Features: – Volume with power on/off. – Mic: speak input piece. – LED: power indicator(faded red mean slow batter,no light means no batter). &..

Product DescriptionFeatures: Kit name: Clap switch kit Working voltage: 4.5-5.5V PCB size: 27 x 49mm Kit function: Clap hand once, LED lit, and then clap once again LED turn off, so the cycle. Features: high sensitivity, about 4 meters clap can control. Note: This is a DIY kit, you need to assemble it. Package includes: 1 x PCB board 1 x MIC microp..

Product DescriptionDescription: 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..

Product DescriptionDescription: Electronic dice kit is based on the NE555 oscillator circuit and fun circuit CD4017 counter display kit. Can simulate the dice, make fun of the game. Parameters: Supply voltage: 4.5-5V Dimensions: 74 x 35mm Note: This is a DIY kit, you need to assemble it. Function: When a power-up, 7 LED will randomly display a numb..

Product DescriptionDescription: 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: 5 x SMD Components Soldering Skill Training Kit..

Product DescriptionDescription: This DIY dice using the small vibration motor to create the vibrating effect when you shaking the dice. Or you can also stand upside down it that you can feel the vibration motor is shaking. Seven LED will show the difference number with the vibrating. Stand still the dice about 10 seconds the LED will shows the brea..

Product DescriptionFeature: This kit is designed for SMD soldering practice only. No need manual, put the right element to the right position as follow. Battery: 3*AA battery (package does not includes) Soldering Note: SMD components are relatively small, please note that do not lose, light-emitting diodes, diodes, chips have direction, pay attenti..

Product DescriptionParameters: PCB board size: 80 * 140 * 1.2mm Housing: 152.4 * 92.4 * 28mm Single Chip Microcomputer Model: IAP15W413AS Number of LEDs: 160Pcs (16 * 10) Operating voltage: 5V Kit function: a suitable sound source near it can switch to spectrum, can be switched to the clock (12/24 hours) and temperature (degrees Celsius and Fahrenh..

Product DescriptionFeature: Size: 145 x 75 x 35mm Note: This kit does not supply any instructions, please note about this before you order it. Requires a certain amount of knowledge to manually install electronic components. Package includes: 3 x DIY 8 Tube Radio Kit..