More in Test & Measurement (391)

| Want to repurpose an operational amplifier from a previous project or an old parts collection? You can construct a specialized op-amp tester...

| Inductors may lose their inductance at higher currents because of core material saturation, which limits the range of use. Here we look at a...

| The FNIRSI SG-003A Multi-Functional Signal Generator is a kind of process meter for generating and measuring voltages, currents, and frequen...

| This is a Milliohm Meter created from circuit suggestions to a fully functional device for measuring low resistances and BLDC motors. It fea...

| Discover the simplicity and precision of quartz frequency analysis with this new Stand-alone Crystal Tester. The compact instrument not only...

| Step into the era of smart trail management with this innovative laser beam interruption counter/detector. Powered by a battery and designed...

| Explore an innovative approach to building a Zener diode tester capable of handling higher voltage thresholds. This solution is tailored for...

| Every electronics engineer with a home lab has probably looked now and then for a bench multimeter to expand their instrumentation. But such...

| For activities such as tinkering with amplifiers, sensors, and microcontrollers like Arduinos, ESPs, Raspberry Pis, or repairing consumer el...

| The Elektor TAPIR is an E-smog detector that can sniff out sources of electromagnetic radiation. It is not a precision instrument, but a han...