Product Description AT89C2051-based of four electronic clock kitSupply voltage: 3V ~ 6VPCB Size: 52 x 42mmFunction:Seconds correction (for precise School)Switch to every minute independent display interface whole point of time...
Product Description This kit allows the user to vary the speed of a DC motor from a stop position to maximum revolutions per motor specification. This circuit allows the user...
Product Description Audio control switch clap on / off kit. Classified as a remote controlled circuit this product uses an audio signal (clap on) to activate the on / off function...
Product Description This is an excellent kit for introducing basic electronic principles. Two LED's will alternatively blink and the blinking speed is adjustable. Kit is easy to assemble with minimal...
Product Description This kit uses four LEDs to indicate the level of moisture in the soil. An increase in the number of LED's on indicates an increase in the amount of...
Product Description This circuit generates a frequency 10-30 KHz that creates a sonic zone disturbing to mosquitoes. A piezo board creates the frequency equal to the frequency generated by the mosquito...
Product Description Gives alarm sound when water is detected. Incorporated alarm buzzer. Water sensor can be placed at a distance by cutting the board and using wires to connect the...