USB Power Meter
https://www.electronics-lab.com/usb-power-meter/
Daniel Grießhaber @ hackaday.io has published his build of a USB power meter. His device is based on ATTiny 85 mcu and 0.96″ OLED Display and is able to measure voltage, current and power output from USB port. Since USB has become more and more a power delivery standard, it would be nice to have a convenient way to […]
1.3V – 15.5V @ 2 Amps Power Supply
https://www.electronics-lab.com/1-3v-15-5v-2-amps-power-supply/
Here is a low cost and easy to build power supply based on a some Chinese DC-DC converter modules: This is a small size power supply with low cost and easy to make that only taking about 5 more hours. I was very happy with it and would share with you. Power Supply Specifications Input: […]
Internet-of-Things Power Meter
https://www.electronics-lab.com/internet-of-things-power-meter/
This is a simple, cheap, easy to build IoT Power Meter that provides accurate statistics on household power consumption: The Internet-of-Things Power Meter (IPM) is a device fixed on top of the regular household power meter that provides detailed information about the electricity usage. Modern power meters have a LED blinking every time a Watt […]
LTC4125 – 5W AutoResonant Wireless Power Transmitter
https://www.electronics-lab.com/ltc4125-5w-autoresonant-wireless-power-transmitter/
The LTC4125 is a simple and high performance monolithic full bridge resonant driver capable of delivering over 5W of power wirelessly to a properly tuned receiver. The device controls the current flow in a series connected transmit coil LC network to create a simple, safe and versatile wireless power transmitter. The LTC4125 wireless power transmitter […]
Portable Adjustable Mini Power supply
https://www.electronics-lab.com/portable-adjustable-mini-power-supply/
Mixed Output @ instructables.com has build a nice power supply by combining different power modules. As most of my project involve electronics of some sort, having a good power supply is essential to be able to meet the demand of different power requirements. So I built me a bench-top power supply from an old ATX power […]
Power ON Delay Switch
https://www.electronics-lab.com/power-on-delay-switch/
Power-ON Delay Switch which can be used in all applications requiring a delay during power-on from 1 to 60 seconds. Specifications Supply input 5 VDC Relay output SPDT relay Relay specification 5 A @ 250 VAC Preset adjustable range function Power-On LED indicator Screw terminal connector for easy relay output connection Four mounting holes of […]
Nixie Tube Energy Meter
https://www.electronics-lab.com/46760-2/
John Whittington decided to build a Nixie tube energy meter to measure his house power consumption. An Arduino would be the microcontroller but I wanted the meter to provide some form of data stream for a web based energy history. To make it an IoT, I a paired ESP8266 with it. I used both together […]
Adding a USB power port to a switch for IoT
https://www.electronics-lab.com/adding-a-usb-power-port-to-a-switch-for-iot/
Jesus Echavarria @ jechavarria.com has tipped us with his latest project. In this project he adds a USB power port to a switch. Also I need a power supply for the Arduino board, and I think that, better than a external USB AC wall adaptor or power supply, is modify the switch to add it a […]
Power Management of Xilinx ZedBoard using MMPF0100
https://www.electronics-lab.com/power-management-of-xilinx-zedboard-using-mmpf0100/
This reference design is a power management of Xilinx ZedBoard using MMPF0100 Power Management Integrated Circuit (PMIC). A PMIC is an IC for managing power requirements of the host system and is commonly used in a system-on-chip (SoC) device. On the other hand, the Xilinx ZedBoard, a development board based on Zync-7000 AP SoC, provides […]
5V & 12V Regulated Power Supply
https://www.electronics-lab.com/5v-12v-regulated-power-supply/
This project can be used to power up TTL and CMOS based projects, it provides 5 VDC & 12 VDC outputs with an onboard mains transformer. The project is based on the industry popular 7800 series voltage regulator in TO220 packages. Features Input: 240 VAC Output: 5 V, 12 V @ 600 mA regulated low […]