Product DescriptionDevelopment board features:1. Onboard MAX232 communication IC, USB to serial cable download and communication, USB male to male extension cable to the board, or DC port (5.5*2.1 specification) for power supply, 5V power adapter;2. The self-recovery fuse on the board, automatically power off when the board is shorted or the microc..

Product DescriptionDescription: It is simple and practical, and the power consumption is small, and the circuit is driven by an integrated circuit. The parts are few, and the line is simple and clear.In the process of debugging, the understanding of the principle of the circuit will be deepened.Power supply voltage: DC3-12VPCB size: 13.5 x 2.2..

Product DescriptionDescription: Supply voltage: 3-5VDimensions: 66 x 61MMMaximum detection range: 5CMThe new board simple metal detector kit with 1.6mm double-sided fiberglass board doUses: games and entertainment, security checks, searches the body of metal products, including cell phones, etc., according to the production principle, also can..

Product DescriptionProduct parameters: 1. Static input current: 5-25mA, the lower the battery voltage, the smaller the current.2. USB output: 5V/2A (max), two ports sum 2A (one USB setting Apple recognition, one setting Android recognition)3. USB buck efficiency is up to 96% (because of the synchronous rectification circuit, the buck conversio..

Product DescriptionDescription: 4x4x4 Light Cube kit uses 64 cuboid LED. Expansion board uses two 74HC595 shift register chips, using eight I/Os can light the 4x4x4 Light Cube, it’s hardware resources needed is less than other 4x4x4 light cubic expansion board(needs 20 I/Os to control).Circuit Description:The display part of4x4x4 Li..

Product DescriptionDescription: It does not require programming or a microcontroller, so please do not provide the code.It does not provide power, you can use the charging treasure (5V DC) as the power supply, or use 4pcs AA battery box and load 4 batteries. About each part of the test: 1. Test the relay module: connect the relay mod..

Product DescriptionDescription:This is a kit parts. You should solder it by yourself.This circuit belongs to the OTL circuit teaching model, its maximum power is only 1W, driven by two complementary transistors S8550 and S8050.It can be used for exercise welding techniques, understanding the triode complementary OTL output type and how to adjust th..

Product DescriptionDescription: Supply voltage: 3-5VDimensions: 66 x 61MMMaximum detection range: 5CMThe new board simple metal detector kit with 1.6mm double-sided fiberglass board doUses: games and entertainment, security checks, searches the body of metal products, including cell phones, etc., according to the production principle, also can..

Product DescriptionFeatures: - 8 Key.- Small in size.- More convenient to use.- Expand outside microcontroller keyboard for arduino AVR PIC. Package Included:20 x Micro Switch 2×4 Matrix Keyboard 8 Bit Keyboard External Keyboard Expansion Board..

Product DescriptionDescription: Appearance size: 43 x 32mmPCB Material: double-sided 1.6mm FR-4 sheetSupply voltage: 3-5V Package Included:3 x DIY Sound Light Infrared Sensor Anti-theft Alarm Switch Kit..

Product DescriptionDescription: This kit uses NE555 and CD4017 chips to form an analog alarm lamp circuit. Blue and red LED flicker alternately according to the pulse, and RP1 can adjust the flicker frequency. The working voltage of the circuit is DC9-12V. The kit does not contain power supply. It is easy to make and has obvious effect. Intere..

Product DescriptionDescription:This is a kit parts. You should solder it by yourself.This circuit belongs to the OTL circuit teaching model, its maximum power is only 1W, driven by two complementary transistors S8550 and S8050.It can be used for exercise welding techniques, understanding the triode complementary OTL output type and how to adjust th..

Product DescriptionFeatures:Use 4-bit 0.56 inch clock display, luxurious and generous appearance;PCB boards are high quality fiberglass boards, which are treated by tin spraying in large factories with excellent quality.The welding pad is large, there is no flying wire, and the component layout is beautiful. It is specially designed for practical t..

Product DescriptionFeatures: - 8 Key.- Small in size.- More convenient to use.- Expand outside microcontroller keyboard for arduino AVR PIC. Package Included:10 x Micro Switch 2×4 Matrix Keyboard 8 Bit Keyboard External Keyboard Expansion Board..

Product DescriptionDescription: It is simple and practical, and the power consumption is small, and the circuit is driven by an integrated circuit. The parts are few, and the line is simple and clear.In the process of debugging, the understanding of the principle of the circuit will be deepened.Power supply voltage: DC3-12VPCB size: 13.5 x 2.2..