This circuit design, to determine quickly the transistors only. when not have time,or need to check the a lot equipment. This circuit have a simple way...
XTal Tester Circuit Circuit diagram This is a simple XTal tester circuit. T1 and XTal have formed an oscillator. C1 and C2 are voltage divider for osci...
This article describes the Crystal tester using 74LS00. The content is very simple, very helpful. Components in this article can help you understand be...
This article is a potted plant water tester works show. The principle is simple but effective. For you to more effectively grasp this principle, we rec...
This IR burglar alarm systems circuit can be used to detect the presence of modulated infrared signals in its vicinity from any electronic source, for ...
According tothe MAX1458 Datasheet, this device is an Analog Sensor Signal Conditioner designed to produce an automated pressure-temperature test system...
View Full Size Image View Original Datasheet This circuit highlights the use of LTC6993 Monostable Pulse Generator and LTC6994 Delay Block/Debouncer in...
A crystal tester circuit is very simple, it contains only oscillator and detector inside. This crystal tester circuit uses one transistor for the oscil...
Parts List: R1 = 1K D1,D2 = 1N4148 R2 = 2K2 Z1 = 8V2, 1/4 watt R3,R4 = 22K T1 = 2N3905 (PNP) R5 = 2K7 T2,3,4,5 = 2N3904 (NPN) R6,R7 = 56K 9volt Alkalin...
This Latching Continuity Tester can help you locate those difficult-to-find intermittent short and opens that other testers always seem to miss. It has...
Pulse transformers are little different from regular AC transformers. In AC transformers magnetic flux alternates between negative and positive values ...
From our childhood days, we have studied that nothing in this planet travels faster than light. It has been defined as the ultimate speed in our univer...
This article describes the Wire Continuity Tester (LM709). The principle is very simple, very practical. The circuit components can help you understand...
Diodes are one of the components that can be tested very easily.Ordinary diodes as wells as Zener diodes can be checked by using a multimeter. While te...
The operational amplifier analyzer works by measuring the flowing across the battery cable had a very small voltage. Therefore, the operational amplifi...
This is a simple use of the PIC 16F84 about a diode tester. Test procedure : We set ?1? to PB0 and ?0? to PB3. If diode is ok and opens, then at PA0 we...
This is an illustration of a test fixture, which can be used to test individual solar cells for short circuit current. Using a PIN photo diode and a co...
This is Coaxial cable tester circuit.It is useful to check the cables inside and outside. Check the continuity of the cable, check cable short-circuite...
3 Volt Lithium Cells are extensively used in low power applications such as Digital clocks, Toys etc. These are also used in Computer Mother boards as ...
View Full Size Image View Original Datasheet The LTC2408 is 8-channel 2.7V to 5.5V micropower 24-bit A/D converters with an integrated oscillator, 4ppm...
Circuit Diagram Many times we have found itself in the necessity to use a Zener diode and cannot to know the voltage of operation. Many times we cannot...
Among my electronics junk I found a VFD (Vacuum Fluorescent Display) display and wanted to make sure it still works and can be used in projects. It’s...
This article briefly describes the Cable Tester Uses Quad Latch (7805). Although this circuit is very easy to understand, but also very practical. Circ...
Video-signal amplitude can be measured with this simple circuit, which is basically a modified standard peak detector. The device can verify RGB genera...
This article describes a Full Featured Transistor Tester (MAX3222). The content is very simple, very helpful. Components in this article can help you u...
Using a capacitor sensor to detect a water level is a simple method of sensing. This circuit uses C5, which is 10` to 20` of #22 enamelled wire as one ...
IC-Testboard (TWI-Testboard) Getting to know a BUS is quite crucial nowadays, specially if run out of pins and have plenty of devices you want to opera...
The tester provides an audible indication of the logic level of the signal presented to its input. A logic high is indicated by a high tone, a logic lo...
Here is a current source you can build for resistance measurement. When the current is held constant, you know as per Ohms Law the Voltage across Resis...
This is a Electrostatic transducer for ultrasonic measurement circuit. This circuit uses the LM1812 ultrasonic transceiver. Transducer x1 and LM1812 wi...
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