4. MSP430 Tryout

A project log for How to Hack a Table Lamp?

This project is about hacking a Table Lamp to extend or disable the integrated Auto-Shutoff.

stefan-xpStefan-Xp 02/14/2019 at 20:300 Comments

As I had luckily a MSP430 Launchpad and a custom MSP430 Breakout board laying around i thought I should give this one a Try. With the help of the Internet I created a really simple program.

Its a really small programm. I added it to the project.

Here is a quick schematic (I added some circles on the attachement points to the lamp):

This circuit has a sleep current of ~ 4.5µA. (So i get hypothetically >60 years of Battery life. Since it is really likely, that the lamp might be on > 60h in the next 60 Years, it is a ok tradeoff (don't take the self discharge in account). The µC is capable of sleeping at ~ 0,5µA but the voltage regulator has a 3,3µA Quiscent Supply Current.

Here you can find a proof of concept (150x Speed):