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[北京星火] 6567# 《洗衣机水满告讯器制作》22元当洗衣机内的水即将放满时,该装置可向用者发出信号。即使在深夜通水,水缸注满时,也能及时把使用者唤醒。其电路稍作改变后,还能制成“下雨告知器”、“婴儿、病人尿湿告知器”等。6568#《鱼缸水湿控制器制作》22元使用这种控制器能使鱼缸水温维持在20℃左右。6569#《水开报讯器制作》20元将这种报讯器装在水壶上,水烧开时会发出蜂鸣声,达到提醒使用者之目的。6572#《湿度超限指示器制作》24元这种电子湿度指示器,在环境湿度变化偏离预定标准时,其仪器的发光管会自动点亮,发出指示,通知人们采取措施。将仪器与通风机或喷雾器等机械配套使用,还能实现湿度调节的自动控制。
[Beijing Sparks] 6567# “Washing Machine Full Water Monitor” 22 yuan When the water in the washing machine is about to fill up, the device can send signals to the user. Even when the water is running late at night and the water tank is full, the user can wake up in time. After a slight change in its circuit, it can also be made into “rainy notice”, “infant, patient urine wet notice device” and so on. 6568# “Fish Tank Water Wet Controller Making” 22 yuan using this controller can keep the fish tank water temperature at about 20 °C. 6569# “Water open news device production” 20 yuan will be installed on the jug in this reporter, when the water boils will beep, to remind the user’s purpose. 6572 # “humidity limit indicator production” 24 yuan this electronic humidity indicator, the ambient humidity changes from the predetermined standard, the instrument’s LED will automatically light up, give instructions, notify people to take measures. The instrument can be used in conjunction with a ventilator or a sprayer to achieve automatic humidity control.