| Monitor up to six temperature points from -240°C to +850°C with this 8051-based temperature monitor and logger. Ideal for industrial applica...
All items tagged with Circuits & Circuit Design and Test & Measurement (73)
€5 / Members: Free
| Back in 2024, we introduced a high-quality variable-frequency audio notch filter. Now, we present a high-performance audio frequency generat...
€5 / Members: Free
| There are many scenarios where measuring low resistance values, even in the milliohm range, is essential. For instance, it can help pinpoint...
| AC-powered devices are prevalent in residential, industrial, and commercial settings. Do you want a DIY-solution for determining when a fuse...
| Check out this interesting wideband AC millivoltmeter circuit from 1990. The simple design features 12 ranges, decent accuracy, 200 µV accur...
| Measuring a specific point (node) in an RF circuit with a regular oscilloscope probe can disrupt the circuit's performance, even when the pr...
€5 / Members: Free
| Brushed DC motors are increasingly being replaced by brushless (BLDC) and stepper motor competitors. But their use still makes sense, as the...
€5 / Members: Free
| Want to test batteries or solar panels? You need a load resistor. With this electronic load resistor project, you can not only simulate a lo...
| Discover how to build an adjustable power supply with voltage control and current limiting using proven techniques. Perfect for single or du...
€5 / Members: Free
| How accurate is your clock source? You can use this compact stand-alone crystal tester to check the correct functionality of an unknown quar...