![Teardown & Repair of an Agilent E3632A DC Power Supply Teardown & Repair of an Agilent E3632A DC Power Supply](https://www.electronics-lab.com/wp-content/uploads/2017/11/teardown-repair-of-an-agilent-e3-1024x576.jpg)
Teardown & Repair of an Agilent E3632A DC Power Supply
In this episode Shahriar & Rosanah investigate an Agilent power supply which does not appear to power on. It can be quickly observed that the fuse has failed on the unit. Using an isolation transformer a small amount of AC voltage is applied to the unit after the fuse replacement....
Continue Reading![Four-Channel Thermometer on OLED display Four-Channel Thermometer on OLED display](https://www.electronics-lab.com/wp-content/uploads/2017/11/thermometerdisplay.jpg)
Four-Channel Thermometer on OLED display
David Johnson-Davies @ technoblogy.com build a four-channel thermometer that monitors the temperature at four temperature sensors, and gives a continuous readout on a small 128x32 OLED display. It's a useful project for various applications like PSU or PC monitoring. The article...
Continue Reading![DevDuino – Learn and Explore Arduino World DevDuino – Learn and Explore Arduino World](https://www.electronics-lab.com/wp-content/uploads/2017/11/1-ScNbRnwXVeQQt2VIT5vDow-1024x576.jpeg)
DevDuino – Learn and Explore Arduino World
DevDuino is a Fully Redesigned and Enhanced Arduino-Compatible Board with Plenty of Must-Have Features. It features a 128x64 OLED display, along with a variety of LED indicators, RTC module, a slot for a micro SD card, and many other convenient features. The project is live on...
Continue Reading![WISP – Re-programmable Microcontroller That Runs On Energy Harvested From Radio Waves WISP – Re-programmable Microcontroller That Runs On Energy Harvested From Radio Waves](https://www.electronics-lab.com/wp-content/uploads/2017/11/WISP4.jpg)
WISP – Re-programmable Microcontroller That Runs On Energy Harvested From Radio Waves
A new research initiative between the University of Washington's Sensor Lab and the Technical University of Delft in the Netherlands has created a microprocessor that can power itself through stray radio waves and receive programmable updates in the same fashion. While the RISC-derived...
Continue Reading![ESP32 WiFi Weather Station with a Nextion Display ESP32 WiFi Weather Station with a Nextion Display](https://www.electronics-lab.com/wp-content/uploads/2017/10/esp32-wifi-weather-station-with-1024x576.jpg)
ESP32 WiFi Weather Station with a Nextion Display
Our friends at educ8s.tv uploaded a new video about how to build a ESP32 Wifi enabled weather station: In this video, we are going to make this. It is yet another weather station project I know, but this time we use the new ESP32 chip! We also use the new BME280 sensor which measures...
Continue Reading![TSL2540 Ambient Light Sensor matches eye-response TSL2540 Ambient Light Sensor matches eye-response](https://www.electronics-lab.com/wp-content/uploads/2017/10/171030eedn-ams-2540-eval-1024x575.jpg)
TSL2540 Ambient Light Sensor matches eye-response
ams (Graz, Austria) has posted details of the TSL2540, a very-high sensitivity light-to-digital converter. Evaluation kit is available: The TSL2540 is a very-high sensitivity light-to-digital converter that approximates the human eye response to light intensity under varying lighting...
Continue Reading![PcbDraw – KiCAD board into a nice looking 2D drawing PcbDraw – KiCAD board into a nice looking 2D drawing](https://www.electronics-lab.com/wp-content/uploads/2017/10/example-1024x392.png)
PcbDraw – KiCAD board into a nice looking 2D drawing
Convert your KiCAD boards into nice looking 2D drawings suitable for pinout diagrams. Never draw them manually again! [via] Jan Mrázek created a Python script that takes a KiCAD board (.kicad_pcb file) and produces a 2D nice looking drawing of the board as an SVG file. This small...
Continue Reading![USB powered – PCB TeslaCoil USB powered – PCB TeslaCoil](https://www.electronics-lab.com/wp-content/uploads/2017/10/spiral-usb-teslacoil-bare-pcb.jpg)
USB powered – PCB TeslaCoil
Daniel Eindhoven build a usb powered Teslacoil able to produce small sparks. The coil of the device is printed on the board! A new and improved PCB spiral Teslacoil. This Teslacoil has etched windings on a print circuit board. It has a USB interface which also powers the coil. The...
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