Ultra simple circuit of the tilt sensor alarm presented here can be fabricated using readily available inexpensive components. The circuit is a true. ... After this, T2 supplies constant bias for T1 ...

At the heart of this ultra simple smoke alarm is H21A1, ... goes high and the SCR is fired. Consequently, the gate terminal of mosfet BS170 (T4) receives positive voltage through resistor R4 and the ...

42 thoughts on “ Simple Fuel Pressure Alarm Averts Diesel Disaster ” pff says: May 6, 2016 at 4:30 pm The ... I would add two parts to his circuit – a ten ohm, ...

A few simple components are all it takes to create an over-temperature alarm. The circuit in Figure 1 requires only an ordinary negative-temperature-coefficient (NTC) thermistor, two common ICs ...