Product Description Note: This is a DIY kit, you need to assemble it. Manual:  Feature:   The ICL8038 is a precision oscillating integrated circuit with multiple waveform outputs. The frequency and duty cycle of the output waveform can also be controlled by current or resistance. Since the chip has an FM signal input, it ca..

Product Description Note:  The housing need to buy seperately. Feature:   Power supply: DC3V – 5V Working current: <40mA Alarm current: <70mA   Function:   Voice timekeeping: Can be set in Chinese timekeeping and English timekeeping NowTime: Can choose the ring tones Four alarm clock: Four different al..

Product DescriptionFeature: This product uses the pyroelectric infrared sensors to detect, can be monitored within 8-15 meter range, when person or animal is moving, it will automatically detect and issued 90 db alarm high-intensity sound to scare the intruder or provoke the security police. Suitable for families, warehouses, shops, sheds and other..

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 Description Note: This is a DIY kit, you need to assemble it. Manual:  Feature:   The ICL8038 is a precision oscillating integrated circuit with multiple waveform outputs. The frequency and duty cycle of the output waveform can also be controlled by current or resistance. Since the chip has an FM signal input, it ca..

Product Description Note: This is a DIY kit, you need to assemble it. Manual:  Feature:   The ICL8038 is a precision oscillating integrated circuit with multiple waveform outputs. The frequency and duty cycle of the output waveform can also be controlled by current or resistance. Since the chip has an FM signal input, it ca..

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 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 Note: This is a DIY kit, you need to assembly it, supply schematic diagram only. Feature:   Constant current output Wide operating voltage: 3.5V – 12V ALC circuits do not need to connect diodes or transistors The brightness level can be adjusted The circuit board adopts military grade 1.6MM FR4 sheet PCB..

Product DescriptionFeature: Kit Model: LSD-73 Dimensions: 100 * 80mm Working voltage: DC4-5V Package weight: 55 grams Package includes: 3 x DIY LED Lamp Kit Soldered PCB, for reference only!..

Product DescriptionFeature: This product uses the pyroelectric infrared sensors to detect, can be monitored within 8-15 meter range, when person or animal is moving, it will automatically detect and issued 90 db alarm high-intensity sound to scare the intruder or provoke the security police. Suitable for families, warehouses, shops, sheds and other..

Product DescriptionFeature: Package name: FM Transmitter Kit model: RF-02 Working voltage: DC3-6V Working current: 5-15mA Transmission frequency: 88-108MHz Launch distance: 5-50 meters (Affected by the level of production and the use of the environment) PCB size: 53 * 40mm Antenna: 300mm soft antenna Frequency stability: Better (relative to RF-01 m..

Product DescriptionFeature: Kit Model: LSD-73 Dimensions: 100 * 80mm Working voltage: DC4-5V Package weight: 55 grams Package includes: 5 x DIY LED Lamp Kit Soldered PCB, for reference only!..

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 Feature: Kit model: RF-03PLL Kit use: private radio, car audio transmitter, cable audio to wireless Operating voltage: DC4-6V Operating current: 20mA-40mA Launch distance: 20-80 meters barrier (affected by production level) Transmit frequency: 87-108MHz, 14 frequency, through the DIP switch to change the frequency Power indicati..