DIY Generic Curve Tracer


https://www.electronics-lab.com/diy-generic-curve-tracer/

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 build the project: 1 x NPN Switching Transistor 1 […]

PSU Burner – a power supply tester


https://www.electronics-lab.com/psu-burner-power-supply-tester/

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 endurance of the power […]

Teardown, Repair and Experiments with a Tektronix RSA 6114A Real-Time Spectrum Analyzer


https://www.electronics-lab.com/teardown-repair-experiments-tektronix-rsa-6114a-real-time-spectrum-analyzer/

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 including LO Unlock as well as Signal Path failures. The service manual of the instrument […]

ChargEST, A Travel Adapter To Charge Your Devices


https://www.electronics-lab.com/chargest-travel-adapter-charge-devices/

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 companion anywhere in the world […]

LTC2944 – 60V Battery Gas Gauge with Temperature, Voltage and Current Measurement


https://www.electronics-lab.com/ltc2944-60v-battery-gas-gauge-temperature-voltage-current-measurement/

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 between the battery’s positive terminal and the load or charger. Voltage, current and temperature […]

LED Based Large Size 7 Segment Display


https://www.electronics-lab.com/project/led-based-large-size-7-segment-display/

    LED Based Large Size 7 Segment Various Display Schematic & PCB Layout

How to Connect to a Raspberry Pi Directly with an Ethernet Cable


https://www.electronics-lab.com/connect-raspberry-pi-directly-ethernet-cable/

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 without […]

“DIY LiFePO4 Charger” Challenge by Elektor


https://www.electronics-lab.com/diy-lifepo4-charger-challenge-elektor/

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 chargers and none of them is about […]

Radino WiFi: Arduino With ESP8266EX


https://www.electronics-lab.com/radino-wifi-arduino-with-esp8266ex/

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 under the same package? Well, the answer is “Radino WiFi”. The In-Circuit Radino WiFi […]

MalDuino, The Open Source BadUSB


https://www.electronics-lab.com/malduino-open-source-badusb/

Firmware is a type of software that provides control, monitoring and data manipulation of engineered products and systems. A USB device firmware hack called BadUSB was presented at Black Hat USA 2014 conference, demonstrating how a USB flash drive microcontroller can be reprogrammed to spoof various other device types in order to take control of […]