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I made an Arduino RC car with a L298P driver PCB I designed myself

Description: $2 for pcb Prototype, for more information visit: Download the codes here Arduino simple shield potentiometer ...
Science Daily

Single-use sensor strips detect cerebrospinal fluid leaks

Researchers developed a single-use sensor strip that can be used with a circuit board to detect cerebrospinal fluid leaks. They collected nine clinical samples and introduced the test fluid into a ...
Hackaday

DIY Macropad Rocks A Haptic Feedback Wheel

Macropads can be as simple as a few buttons hooked up to a microcontroller to do the USB HID dance and talk to a PC. However, ...
CNX Software

Fusion HAT+ Review – Adding AI voice and servo/motor control to Raspberry Pi for robotics, Smart Home, or education

SunFounder has sent me a review sample of the Fusion HAT+ Raspberry Pi expansion board designed for motor and servo control ...
IEEE

A Capacitive Sensor Interface Circuit Using T-Network Notch Feedback and Phase Sensitive Detection

Abstract: This paper presents a capacitive displacement sensor interface circuit based on T-network notch feedback and phase sensitive detection, and verifies the feasibility and advantages of the ...
IEEE

A Portable Electrochemical Impedance Spectroscopy Device for Onion Spoilage Detection Using Polyaniline Coated Impedimetric Paper Sensor

Abstract: Using the profile of volatile organic compounds (VOCs), onion spoilage is conventionally detected by employing gas chromatography-mass spectrometry (GC-MS). The emission of VOCs in terms of ...