All items tagged with Circuits & Circuit Design and DIY electronics (123)

| Build your own budget-friendly resonance meter, a versatile RF test instrument capable of measuring frequencies from 100 kHz to 50 MHz. Orig...

| Monitor up to six temperature points from -240°C to +850°C with this 8051-based temperature monitor and logger. Ideal for industrial applica...

€5 (FREE for Members)

| Back in 2024, we introduced a high-quality variable-frequency audio notch filter. Now, we present a high-performance audio frequency generat...

| Need a pro lab power supply? Power supplies are everywhere — from basic adapters to high-end lab equipment. But they often come with a hefty...

€5 (FREE for Members)

| There are many scenarios where measuring low resistance values, even in the milliohm range, is essential. For instance, it can help pinpoint...

€5 (FREE for Members)

| Mechanical timepieces have always had a certain appeal because of the beauty of the analog dial and its convenience in reading, despite thei...

| In 2010, Elektor presented a digital multi-effects unit based on the FV-1 effects processor that was designed to provide musicians with 15 c...

| AC-powered devices are prevalent in residential, industrial, and commercial settings. Do you want a DIY-solution for determining when a fuse...

| Are you thinking about patenting your latest project? Dive into the topic to learn more about patents, from their purpose to the process of...

| Check out this interesting wideband AC millivoltmeter circuit from 1990. The simple design features 12 ranges, decent accuracy, 200 µV accur...