A simple measurement circuit designed with CD4001 (cmos nor) for logic level measurement works with 6 volts. Two 3 volt cr2032 (known as motherboard bios battery) can be placed on top of each other and used with serial connection. you will not have any problems, even if the pcb is designed again with smd materials,…
Icl7107 display driver IC Thermometer temperature sensor 5 volt supply circuit as a single source bc547b used p1 and p2 with the calibration adjustment trimpot icl7107 display two HD-A544D led display used 2 different pcb and feeding you see in the picture above, control, display of the one into separate modules ICL7107 Thermometer ICL7107 PCB…
With two MA40A3R ultrasonic sensors, you can adjust the distance settings of the car parking sensor circuit with the vr1, vr2 trimpots. The circuit can work directly from the 12 volt car battery and gives an audible warning with a buzzer. Ultrasonic Analog Parking Sensor Project UPDATE One of our readers, @Yusuf Usta, applied the…
There are two ds 1621 thermometer circuits without using a microcontroller, as well as the program and source codes prepared with Visual Basic 5, the program saves the data as a text file, and the circuit communicates with the computer via the rs232 port. DS1621 thermometer It does not use any programmable components as a…
The generator section uses a 9MHz crystal filter, and for carrier oscillation, the crystal can be switched to remove both the upper and lower frequencies. I was … The MIC AMP uses the OP AMP 741, amplifying it by about 40 dB and inserting the 0.5 V AF signal into four 1N60 ring modulators to…
The laser used for the transmission angle of the mirror should be set well above should be fixed and is 30cm from the ground. Mirrors, Laser, Ldr should be fixed and should sway camouflage Mirrors whether cables will yield more if stored. NOTE: 1 (when pressing the RESET button to silence the siren must have…
555 demonstrate the use of integrated square wave oscillator circuit on a simple counter and Proteus simulation drawings. 0-99 counter circuit (you can set the count rate with variable resistor RV1) 10 Led king circuit rider (you can set the speed of light LEDs with a resistor RV2) 29 Led Animation circuit (resistors RV1 with…
You don’t need a microcontroller to make a robot. A good example is how it worked in such a complex mechanical structure. A robot insect with a beautiful working leg. It is a five-motor walker that goes towards the light and avoids obstacles. The goal was to create a walker that could navigate uneven complex…
A simple FM transmitter circuit powered by a 9 volt battery pretty small SMD resistors used in PCBs Your offer is very simple compacts zhuchok transmission signal with a range of 100-150m good sensitivity and low current consumption. scheme consists of a bass amplifier for the first transistor and the proper frequency generator in the…
Any aquarium hobbyist knows how important it is to know and control the conditions of the aquarium water for the smooth development of life in it. One of the factors that determine these conditions is the acidity or pH value of the water. Unfortunately, quality pH meters are extremely expensive. With that in mind, I…