Portable Archives

DIY portable headphone amplifier based on an INA1620 chip and TPS65135

2022-03-122021-04-28 by Daumemo

Today’s topic is going to be related to audio amplifiers. Particularly a headphone amplifier based on an INA1620 IC. There are going to be two main parts of this post – the first one about the amplifier and its construction, and the second – about my attempt to measure how well it performs. Other post … Read more

Finished DIY portable Wi-Fi function generator (part 17)

2022-03-122020-09-15 by Daumemo

Finally, it happened – the generator is (kind of) finished. It took a bit of time after the previous post to bring the device to its final state. Quite a lot was done from the last time – mostly it was firmware’s finishing touches. I had to make sure that everything, especially LCD interface, works … Read more