More about Circuit (737)

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| In this installment we continue with the coil. Unloved by hobbyists, but oh so important.  

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| In the previous article in our series of projects on DIY highly secure communications [1], it was shown how to build a secure tamper-evident...

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| Sometimes there is simply no device on the market to do the job required. In such cases, small circuits are constructed that can be used lik...

| Want a universal alarm? Engineer it yourself. The circuit in this article enables you to build a general-purpose alarm for a wide range of a...

| The global electronic component shortage poses numerous challenges for a wide range of industries, from automotive to aerospace to medical d...

| Need a spirit level (i.e., bubble level tool)? This inexpensive aid for a spirit level gives an acoustic and optical indication when the air...

| I recently came across an ESP8266-based “wearable” board I developed some years ago. Here's how I brought the board to life with the help of...

| The motivation for encoding bits in Gray code was to count in binary but to have only one bit change with every +1 count. Let's consider bin...

| Can hardware evolve? Researchers have been studying circuit evolution for over 25 years.

| Is your electronics workspace in need of some Spring cleaning? Download “DIY Circuit Board Organization” for all the details.