I have seen oscilloscope circuits working with a simple circuit over the sound card in many places, this circuit works over the lpt parallel port, the circuit consists of a simple ADC0820 and a few passive elements. Windows program and source codes are given for measurement. Be careful while testing the circuit. Any mistake can…
A simple led animation (flip flop) circuit with NE555 Timer IC. You can adjust the flashing speed and brightness of the LEDs with the tirimpots on the circuit. There is a pcb drawing of the circuit. You can arrange the leds according to the shape you want. The supply voltage of the circuit should be…
FT245RL LPT port and USB port dialer, the usb lpt converter circuit FT245RL USB to parallel FIFO interface +1.8V to +5.25V supply to the FIFO Interface USB LPT converter circuit diagram FT245RL Circuit Eagle eagle drawing of printed circuit boards USB to LPT Converter Project FT245RL USB to LPT converter circuit eagle pcb schematic files:
The famous LM35 temperature sensor was used for temperature detection in the circuit, and plenty of microcontroller-controlled circuits were shared with this sensor. The circuit works with 12 volts DC. Sensitivity can be adjusted between 0-150 ℃ with the VR 1 trimpot control IC LM358 binary op amp circuit output relay with high power devices…
Off-Line UPS Uninterruptible power supplies mains voltage rises or falls relay by-pass system thanks to the transformer input primary section level varies USP transformer primary section of various voltage ranges are wrapped 190v, 220v, 250v and so on. In this way, constant voltage output is taken. Power supply can use for circuit by-pass system is…
Siliconchip shared for free on the site where one of the projects sold stock fitters use a little more of a detector device is simple, inexpensive version can be called at short-range metal detector. In-wall cables are used to find metals known within the walls of electricity, water and so on. There are systems in…
Talking Electronics Site new shared a circuit archive actually to be sold “200 Transistor Circuits” book of the circuits for free on the internet in ebook as a shared short descriptions (in English) available, of course, sold Wrox detailed explanations are Electronic circuits heavily transistor integrated circuits with a few classic’s most easy cost-effective in…
Very simple and fun circuit potted flowers ideal for watering alarm circuit 🙂 Circuit 3-volt battery is working with 1 2N2222 transistor LEDs and two resistors circuit with established flower in the land of water when you pull the LEDs lit irrigation when the LED stops Simple flower watering alarm test source http://nurne.blogspot.com/2008/01/water-me-man.html
JFET-input opamp circuit tl084 with commutator segment based on frequency selection you want you want done with potency Signal and tone generators circuit for Testing and adjustments of audio and Measuring instruments particularly important aids and belong to the basic equipment of a Hobby laboratories. With respect to the waveform are often high demands on…
The circuit detects the Sun automatically and turns towards it. In order to make the best use of solar energy, a solar tracking system circuit TLC27L2 opamp, a motor based on MC34164 integrated circuits, driven with 2N3906 and 2N3904 transistors as a bridge, can be used for simple applications. In addition, 2 solar cells are…