Posted in general electronics

1mm and 1.25mm pitch connectors

Some photos to help identify connectors. These ones are JST SH which are 1mm pitch wire-to-board shown here, with surface…

Posted in analog general electronics

Ultra portable pocket PSU

Although a bench PSU is useful, sometimes I prefer testing with something more portable. This ultra portable PSU has a…

Posted in general electronics

7 segment Alphabet

A surprisingly large amount of the ASCII table can be represented with a 7-segment display. The image here shows what…

Posted in general electronics

Crimp pins, sockets and housings

Like it or not, the 0.1 inch spaced (2.54mm) header pins or sockets on PCBs are extremely common. There are…

Posted in general electronics

fpga4fun – any good?

I personally feel a beginner is better advised to purchase a more open platform like Papilio One. The fpga4fun boards…

Posted in general electronics

Component Storage

SMD devices like resistors and capacitors can be stored in tiny plastic boxes such as shown here. Make sure the…

Posted in general electronics

SMD soldering

This is a quick tutorial on how to solder an SMD board with 0603 and QFP sized components. This was…

Posted in general electronics

Surface Mount Soldering – Tools

This set of tools is (in my opinion) some great tools for SMT soldering without going the reflow route (which…

Posted in general electronics

Another Test Probe

This one used an SMA plug, so it is a bit more versatile. The SMA plug was from Maplin. The…

Posted in general electronics

Test probe

This test probe is based on an SMA connector and spare test probe parts: Side view: Parts used: Pomona test…