Boost converter changes small DC voltage to big voltage; it is good for battery devices because battery voltage sometimes is less than device needs. This 5V Step-Up Converter Circuit using IC LTC3440 changes input 2.7V to 4.2V into steady 5V output and LTC3440 IC is very efficient up to 96% and give up to 600mA […]
DIY Projects
Boost Converter 12V to 120V DC Step-Up Circuit
Boost Converter 12V to 120V DC Step-Up Circuit raises a 12V DC input to 120V DC output; it helps convert voltage levels when required and delivers a high 120V output from a 12V source. Circuit is good for using high voltage from low voltage like battery and output powers to about 100 watts. Here, circuit […]
DC-DC Inverting Converter Circuit for 15V Output
DC-DC Inverting Converter Circuit for 15V Output is of special type of circuit which changes positive voltage to negative voltage; also, this circuit is useful for things which need negative power like op-amps, analog and communication devices. The circuit uses uA78S40 IC and a switching regulator and it takes +15V DC in and give -15V […]
Transformerless 12V Switching Power Supply Circuit
Transformerless 12V Switching Power Supply Circuit is small, smart and with no big transformer; it changes high AC to steady low DC using fast switch. Circuit is lightweight, good for low power, embedded, IoT and for industrial control and also this circuit requires 12V 120mA output and works with 85 to 230V AC and uses […]
Transistor Based Stepper Motor Drive Circuit
Stepper motors are good for robots, CNC, automation and to move very exact. Transistor Based Stepper Motor Drive Circuit run unipolar motor with logic gates and transistors and it use four 2N2222 to control motor windings, two NOT gates, one XOR gate and to read 2-bit control to turn ON 4 windings. Also, circuit needs […]
Controlling a DC Motors Direction Circuit with IC 555 Timer
Controlling a DC Motors Direction Circuit with IC 555 Timer is easy to try, as this circuit is good for automation, robotics, devices needing forward and backward move. Furthermore, circuit has 555 timer, transistor, DPDT relay to change direction and this simple design is easy to build and works in both directions. Also, 555 timer […]