TICkit 63 Interpreter IC circuit

This gauge utilizes a sensor along with resistor R1 to generate a DC voltage that is proportional to oil pressure. Integrated circuits IC1 and IC2 form a two-digit digital voltmeter (DVM). Transistors Q1 and Q2 act as display selectors for...

Homemade Digital CALL-ID English Version

The reason for this project was to facilitate a quick installation for a local friend 10 km away, enabling the start of real-life testing to identify and resolve bugs and problems before releasing it to other users. The software is...

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Logic adjustable Glow-Plug drive

All of my turbine starts before the research on the ECU involved a very successful spark ignition. I thought (only briefly) of trying to add spark ignition to the ECU, but the mixture of delicate logic circuitry and perhaps 30,000V...

Factory Alarm

The frequency is controlled by pin 5 of the integrated circuit (IC). When the power supply is activated, the capacitor charges gradually, which alters the voltage at pin 5 of the IC, causing the frequency to increase incrementally. Once the...

Digital pulse width measurement circuit diagram CD4518 and CD4069 the

A digital pulse width measurement circuit is presented. It operates with a 100 kHz reference frequency to count the pulse width of the input signal. The count value represents the measured pulse width displayed on four seven-segment LED displays. The...

Interpolating Scanner Circuit

This design is for an interpolating scanner, a circuit featuring multiple signal inputs, a control voltage input, and a signal output. The output selectively transitions between inputs, smoothly fading from one to the next as the control voltage increases. A...

Logic adjustable Glow-Plug drive

All of my turbine starts before the research on the ECU involved a very successful spark ignition. I thought (only briefly) of trying to add spark ignition to the ECU, but the mixture of delicate logic circuitry and perhaps 30,000V...

Digital-ir-transmitter

Gates U1a and U1b are configured as a low-frequency oscillator. The output waveform at pin 11 is nonsymmetrical, with the positive portion of the signal comprising only 20% of the time period. Diode D1, a 1N914 general-purpose unit, along with...