Sunday, October 2, 2022

#10 What is in the Envelope/Box?


 

Here is another "What is in the Envelope/Box?"  Once again a few electronic components/modules for a future project requested by my son to be use during loadshedding in the house.  All the components will be used for a DIY WiFi Router UPS with 8 hours of battery backup. 

Components:

1 x XL4015 Module Converter

3 x 1000 uF Caps

8 x 1N5822 Diodes

2 x IRF9540

4 x 18650 Battery Holders

1 x 3S Battery Management System (BMS)

2 x 4N25 Opto Isolators








Let's build a 100 and 20 watt Dummy Load!

Above Image: Large RF dummy load for shortwave transmitter at the Moosbrunn transmitting station of the Austrian Broadcasting Service, Moosb...