Year: 2014

ESP8266 update firmware to change the baudrate

So today I figured I could update firmware on my ESP8266 to make it useful for work with the arduino uno. The problem with the original firmware is that the serial port baudrate is fixed at 115200 which is way

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Portable piezoelectric micropump driver

I recently did a presentatiton on Low-power Piezoelectric Micropump Driving Module at the MIDEM International Conference  on Microelectronics, Devices and Materials. The module was developed at the Laboratory of Microsensor Structures and Electronics. Despite its small size the module is

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Fixing the FTDI drivers – prevent auto updates

There is also an older post on this thematic in my blog, which describes the problem, but not so much the fix. Ok, this is basically very similiar to the Prolific driver fix. It makes the system think that the

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Changing FTDI PID

There is a big fuss about the new FTDI driver which damaged many counterfeit FTDI chips (well, it actually changed their internal configuration rendering them useless to most people). This didn’t hurt the producer of the counterfeit chips, however made

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USR-WIFI232 wifi to serial module (HF-LPT100)

I have bought a USR-WIFI232-T module, which seems to be identical to HF-LPT100. The main chip is marked with HF so the High Flying may be the original producer. The module is only 22 x 13,5 x 6mm in size and

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Install arduino driver on Windows 8

Lol, actually Arduino beat me in releasing a properly signed driver before I published this article. I tested it and it works like a charm – no workarounds needed, just download the latest Arduino IDE release and install the  included

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ESP8266 connecting to internet

You should connect to the module as outlined in my first article about this module (which also shows use of some other commands). To try out the commands in this post you should already have the module set up in

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ESP8266 WIFI module

I just got a ESP8266 WIFI module I ordered a few weeks ago. This is the pinout: Just a quick warning: It seems that the inputs are not 5V tolerant, so be careful and do not connect the module to

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ESP114A power supply

I recently obtained a few HP ESP114A server power supplies I intend to use for an induction heater project. These supplies are available as a surplus parts from recycling old servers and are really quite powerful for the low price

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Install USBASP programmer on Windows 8

I have the following programmer (a chinese clone actually, however it is equivalent): http://www.fischl.de/usbasp/   I have happily used it on my older WinXP computer, but as that computer has been retired I came across a problem of installing it

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