Check out this interesting wideband AC millivoltmeter circuit from 1990. The simple design features 12 ranges, decent accuracy, 200 µV accuracy, and a frequency range from 20 Hz to more than 2 MHz.

The complexity of the scenario makes it challenging to find general and relatively simple rules that connect circuit topology to the circuit’s robustness. Bistability and multistability are common ...

The below circuit diagram uses Arduino UNO R4 WiFi as a main controller, but you can use any other microcontroller by swapping it and making little modifications to the code. Here I decided to use ...

自1974年面世以来，这款单声道模拟合成器便以其独特的声音和特性赢得了无数音乐创作人的青睐。而最近，Useful Synth Circuits推出了SUB模块，为这一经典设备注入了新的活力。这个子振荡器模块不仅兼容1974年的老版SEM，也适用于2009年发布的再版，旨在使用户获得 ...

The SyReC Synthesizer is available via PyPI for Linux, macOS, and Windows. In order to make the library as easy to use as possible (without compilation), we provide pre-built wheels for most common ...

Synthesizers can make some great music ... with room for the flexure and a couple of breadboards for prototyping the circuits. The keys are capacitive touch pads, and everything is currently ...

Low Power Fractional PLL is a general purpose frequency synthesizer with an input reference frequency range from 10 to 240 ... It is designed for easy usage and simple integration, eliminating the ...

With the experience gained from building that electrically simple brass frame, [Emily] then stepped up the difficulty for her follow-up project. It started with a sound synthesizer circuit built ...