
Simple Logic Probe Circuit with LED Indicator Level Measurement CD4001
Simple Logic Probe Logic level measurement for cd4001 (cmos nor) designed with a simple measuring circuit 6v works with two 3v cr2032 (pc motherboard bios is known as battery) on top of each other and can be used with... Electronics Projects, Simple Logic Probe Circuit with LED Indicator Level Measurement CD4001 "analog circuits projects, " Date 2019/08/02
Simple Logic Probe Logic level measurement for cd4001 (cmos nor) designed with a simple measuring circuit 6v works with two 3v cr2032 (pc motherboard bios is known as battery) on top of each other and can be used with serial connection such as you see in the picture below if you use a wide heat shrinkable tubing is not wrong with you or even boxing smd materials are moved to the back with a critical piece of the pcb is designed to easily destroy all materials can be found.
Logic Probe Project
Source: http://www.siliconchip.com.au/cms/A_102204/article.html
Simple Logic Probe Circuit schematic pcb files alternative link:
FILE DOWNLOAD LINK LIST (in TXT format): LINKS-5527.zip
MA40A3R Ultrasonic Parking Sensor Circuit (analog desing)
MA40A3 with two ultrasonic parking sensor distance sensor circuit settings VR1, VR2 potentiometer can do this with a direct 12-volt car battery from the circuit can work with buzzer provides audible warning
Ultrasonic Analog Parking Sensor Project