Why withered trees. It is dying. Oh, the soil is too dry. How can we use electronics to help trees? Build Simple soil moisture alarm circuit. The tree is very necessary for humans. Because can clean waste air, as a food, housing, medicine, etc., We should tree planting as well. Water is necessary for the … Read more
This project is a sound level meter circuit that easy and very cheap, can drive 9 LED display,The LB1409 is used as base of this circuit makes small size. Read more
This is digital temperature meter circuit that has High the accuracy temperature measurement. it use ICL7107 for LED 7 segment display and LM335 or LM135 Read more
I recommend the digital capacitor meter projects. It can measure capacitors ranging from 1pF to 2,000 uF. Which covers almost all of capacity. And cheaper […] Read more
The Multi function digital frequency meter circuit 0-100MHz, is an instrument that can measurement many things in a single display with LED 7 segment 8 digit. The controls measures sector as well as the display is used a single master IC. Is A good IC of Intersil Corporation. ICM 7226B is a single IC at … Read more