November 2021

-Andrew spoke about his position tracking project using PIC chip, hall effect sensors and magnetic strips cut from fridge magnets.

-Martin showed a $5 ebay hot plate that can be used to solder/desolder SMDs and his salvaged lithium battery pack. Also mentioned about a repair job on an accordion for Lino.

-Lino discussed the hall effect sensors on his accordion, the vocalizer function on his synth and software such as Audacity and Musescore for scoring music.

-Anthony mentioned he will talk about the 555 timer chip in future.

-Alex showed his experiments with using supercaps and battery as a short-duration UPS for ESP32 to save critical data to micro SD card.

https://thehardcoder.weebly.com/ups-solutions-esp32.html