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digital thermometer schematics – Circuit Schematic
digital thermometer schematics
This digital thermometer circuit diagram uses a common 1N4148 diode as the temperature sensor. The temperature coefficient of the diode, -2 mV / 0C is exploited...
geiger counter circuit – Circuit Schematic
geiger counter circuit
I bought one CI-22BG tube and one CI-3BG tube for total of 16G. Because I didn`t have anything radioactive to test my Geiger counter, I also ordered a piece of ...
Cosmic Ray Detector using Fluorescent Tubes – Circuit Schematic
Cosmic Ray Detector using Fluorescent Tubes
This project was deliberately aimed at developing a very low cost cosmic ray detector using common Fluorescent Tubes. It was based on variation of an experiment...
The Hall A Wire-chamber Gas System Ops Manual – Circuit Schematic
The Hall A Wire-chamber Gas System Ops Manual
Two detector systems in the Hall-A spectrometers make use of potentially flammable gasses: the Vertical Drift Chambers (VDC) and the Focal Plane Polarimeter (FP...
Ultrasonic ranging – Circuit Schematic
Ultrasonic ranging
The Ping Ultrasonic Distance Sensor by Parallax has three pins. These pins are +5V, I/O, and Ground. In order to activate the sensor, a 5 microsecond 5V signal ...
Optoreflector – Circuit Schematic
Optoreflector
Optoreflector sensors contain a matched infrared transmitter (LED) and infrared receiver (usually a phototransistor ) pair. These devices work by measuring the ...
Bee Counter Theory – Circuit Schematic
Bee Counter Theory
Here's the schematic for my Bee Counter test board with the functional units labeled to make them easier to discuss. This test board has the same circuitry as ...
Playing piano with optical sensors – Circuit Schematic
Playing piano with optical sensors
trying to improve the responsiveness of an electric keyboard. He was unsatisfied with the lack of adequate sensitivity to keystroke. The first step in his proce...
Temperature to Digital Converter Circuit – Circuit Schematic
Temperature to Digital Converter Circuit
This is a design circuit for temperature to digital converter circuit that is based control by LM35 IC. This LM35 is precision integrated-circuit temperature se...
Temperature Relay Circuit – Circuit Schematic
Temperature Relay Circuit
This is a design circuit for temperature relay that can be used to signal a fire or set point for temperature monitoring function. You need to adjust P1 so that...
Clear Glass Sensor Circuit – Circuit Schematic
Clear Glass Sensor Circuit
This is a design circuit project for a clear glass sensor circuit can be used for experiment/hobby purposes. The concept is very simple and is based on a home-m...
Scoobas Solution Sensing Tactic – Circuit Schematic
Scoobas Solution Sensing Tactic
This document has several purposes, and a primary one is to record what I have learned about the means that a Scooba robot uses to detect: a) the presence of an...
Motion Control Sensor Interface – Circuit Schematic
Motion Control Sensor Interface
My task for the system was to implement and program all the hardware devices and make data available to the receiver program running on the PC. This includes th...
Solar Tracker – Circuit Schematic
Solar Tracker
This solar tracker circuit is an open source circuit and anyone may edit the circuit to his/her own preference. Watch the video for other useful information reg...
Laser1 RoboBrick – Circuit Schematic
Laser1 RoboBrick
The Laser1 RoboBrick is a module that is designed to allow the use of a slightly modified laser pointer to detect passive refector beacons at a distance of appr...
Camera1 Module – Circuit Schematic
Camera1 Module
The Camera1 module provides a RoboBricks2 bus interface for a General-Vision Cognisight MTVS vision system. This module a builtin camera and electronics for rec...
Invisible broken wire detector circuit – Circuit Schematic
Invisible broken wire detector circuit
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Ultrasonic ranger circuit – Circuit Schematic
Ultrasonic ranger circuit
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Camper Meter – Circuit Schematic
Camper Meter
This is a gadget that will estimate the amount of water left in the water tank of a caravan or camping unit.....
Revised version of LM35 based digital temperature meter – Circuit Schematic
Revised version of LM35 based digital temperature meter
This is a revised version of my LM35 based digital thermometer project that I posted last year. Although it is one of the simplest projects, it is very popular ...