electronic tattoo
#wearable
#electronic tattoo
#flexible circuit
#biocompatible
#sensor integration
#health monitoring
#low power
#microcontroller
#wireless
#skin-mounted
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Wireless Coupler Terminal Interface
The purpose of the terminal interface is to allow my computer to communicate with Minimum Mass Wireless Coupler equipped devices using a terminal emulator program. Consequently, the Base Unit is basically an RS-232 interface and Minimum Mass Wireless Coupler. The...
doorbel
This smart doorbell system is designed for use in industrial environments. It is microcontroller-based and controls a horn and a flashlight.
The smart doorbell system utilizes a microcontroller to manage its operations, making it suitable for industrial applications where reliability and...
Very Low Power 32kHz Oscillator
The 32-kHz low-power clock oscillator provides several advantages compared to traditional oscillator circuits that utilize a CMOS inverter. These inverter circuits often exhibit issues such as significant fluctuations in supply currents across a 3V to 6V supply range, making it...
Wireless Switch Circuit PCB
The circuit diagram presented is a highly sensitive wireless relay switch designed to control home appliances such as flush systems and hand dryers. This wireless switch operates without the need for a remote control. It functions by simply moving a...
Wireless Color Sensor
Close to human perception and stable color sensing is a pervasive challenge encountered in various disciplines, such as machine vision for classification and recognition, as well as in intelligent systems like smart illumination systems in home or workplace environments. In...
How to Design Battery Charger Applications that Require External Microcontrollers and Related System-Level Issues
Application note on designing linear and switch-mode (switching DC-DC converter current source) battery charger applications that require external microcontrollers and related system-level issues for notebook computers.
The application note provides guidance on the design of both linear and switching DC-DC converter...
High Resolution Digital Weigh-scale Design Using Z8 Encore! ?® Microcontrollers
The SP6691 circuit is designed to provide a high output voltage using a lower voltage boost regulator by incorporating a charge pump circuit. This configuration can convert a standard 30V boost regulator into a 60V boost regulator if necessary. Testing...
Wireless Fm Microphone
A simple FM wireless microphone utilizes a single BC183C transistor as an audio amplifier, with the option to substitute it with a 2N3565. The transistor Q1 functions as an oscillator that is frequency-modulated by the signal from Q1. Other transistors...
Quality Stereo Wireless Microphone or Audio Link
This stereo FM wireless microphone serves as an excellent audio link. Testing revealed a reliable range exceeding 50 meters. It is distinct from previous wireless microphones due to its stereo capability, which delivers unexpectedly high-quality sound. The range was tested...