Analog Discovery USB isolation

Intro

Back when I was deverloping the PSU burner, I wanted to have the Analog Discovery isolated from the common ground, to avoid noise and other issues. Since I did not have a way to do this, I ended up using a laptop on battery for measurements. But for long term, I needed to have […]

RFM69 output power

Intro

As I was mentioning in my 1000.1000 Hardware selection, I have opted for the cool RFM69HW radio module. Weirdly enough, in quite a few sources (big distributor and ebay) the higher power HW module is cheaper. So there ie no reason not to get the higher power module, given quantity discounts. But I […]

Peaktech 6225A review

An in-depth view of the new PeakTech 6225A 30V 5A switch mode laboratory power supply showing very good results. […]

10002 Hardware

This article is part of my 1000² Smart Home project. Check out the Architecture and Software and then move on to Hardware. An most importantly, check the Lessons learned and why I did what I did. There are already some first results, connecting all parts of the system.

Some history

A picture says 1000 words!*

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10002 Lessons learned

This article is part of my 1000² Smart Home project. Check out the Architecture and Software and then move on to Hardware. An most importantly, check the Lessons learned and why I did what I did. There are already some first results, connecting all parts of the system.

What?

This page covers things […]

Castellated pads

Castellated pads on a non-castellated service does not show good results. […]

Fixing a broken scroll switch

Trying to fix a broken scroll encoder with de-bouncing caps. […]

Mini ikea molgan hack

Simple hack to dim the light down and extend battery life, makes a good night light! […]

Digital Power Supply – Part 3: Concept comparison

How do some topologies of power supplies perform? Find out! […]

Bad wires

Thin the cheap dupont jumper wires are a good deal? Think again! […]

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