Month: January 2017

Stoneslice has shared a Curve Tracer tutorial on Youtube that uses an X Y mode Oscilloscope to test components and their characteristics. Using the on-board Phase Shift Oscillator to provide the test signal, passive and active parts can be tested. These are the  components needed to...

Bob @ electrobob.com tipped us with his latest project. It's about a power supply tester. What does one do when designing a power supply? Well, build a power supply tester, of course. One of the simplest things to build is a constant current load. This will allow for testing of the...

Shahriar @ The Signal Path did a teardown and repair of Tektronix RSA real-time spectrum analyzer. In this episode Shahriar attempts a difficult repair of a Tektronix RSA real-time spectrum analyzer. This well-equipped instrument reports several error messages during startup POST...

When you travel, it’s a bit frustrating to fill your luggage with lots of chargers, cables, and adapters to fit your charging needs. In addition to the space it takes which makes it harder to bring every kind of charger you may need. ChargEST is designed to become your charging...

The LTC2944 measures battery charge state, battery voltage, battery current and its own temperature in portable product applications. The wide input voltage range allows use with multicell batteries up to 60V. A precision coulomb counter integrates current through a sense resistor...

How to Connect to a Raspberry Pi Directly with an Ethernet Cable. Ethernet is the fastest and most reliable way to connect to your Pi. You can set this up in just a few steps and never get disconnected from network time outs or low bandwidth on your network. You can access your Pi...

A new challenge is posted on Elektor, for building a charger project for 3.6-V single-cell lithium iron phosphate (LiFePO4), a kind of Li-Ion rechargeable battery for high power applications, such as EV car , Power Tool and RC hobby. Elektor magazine has so many DIY projects about battery...

The Internet of Things or IoT technology is booming nowadays. Almost all makers are getting interested towards this field of endless possibilities. The Arduino and the ESP8266 are strong bases of this awesome technology. But, what will happen if we merge an Arduino with an ESP8266EX...