| This electronic alternative to mechanical temperature and humidity recorders is a very compact standalone unit which draws very little curre...
More about humidity (41)
| The Type NH-3 humidity sensor used in the ‘automatic air humidifier’ (July/August 1998) may be replaced by a lightdependent resistor, LD...
| The function of this circuit is to sound a buzzer, or, optionally, actuate a relay, when a certain moisture level is detected between a...
| The humidifier circuit is based on a special humidity sensor Type NH-3 from Figaro. Depending on the sensor output, the circuit drives a...
| The measurement and control of the moisture content of gases, such as the atmosphere around us, is an integral part of many industries,...
| The MAX187 serial12-bit analogue-to-digital converter (ADC) operates from a single +5V supply, and accepts a 0 V to 5 V analogue input. The...
| This little circuit monitors the humidity of plant soil, and should be a welcome help for forgetful readers who occasionally find their pl...
| The type NH -02 humidily sensor from Figaro consists of a capacitive humidity sensor, Zg, in series with a thermistor, Zt on an aluminium...
| The electronic hygrometer, or relative humidity (RH) sensor, discussed here is remarkably accurate, and functions automatically as part...
| 7-72 — elektor July/august 1981 1 14 C8 10 ,L :16 V• Tent. 31 to Ilk i4 humidity 7 Encouraged by the enormous response to the publicatio...