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....
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...
Feature: Model: EH-30. Working voltage: DC3.3-5V or 3*AA battery. Speed: Adjustable. PCB size: 74.4 x 43.7 x 24mm. Color: Red LED. Package includes: 5 x DIY Electronic...
Description:Name: FM wireless microphone Kit. Type: wireless microphone. Voltage: 1.5V(1 AA battery). Effective distance: 20 meters. Package included:5 x DIY FM Wireless Microphone Electronic Kit. 5 x Chinese manual
Features: Measurable frequency range: 1Hz to 50MHz. Measurable signal frequency: up to 30V. Can measure most commonly used crystal of oscillation frequency. Five-digit accuracy resolution. Automatic range switching. Programmable frequency...
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...
FR-4 circuit plate board using military grade A material sheet, plate, and some stability tolerance parameters, A material behaved very tough, which is in the interests of a number of...
