Take a look at my work

My work is a colourfiul job. A few examples tell more than just words.

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The hardware design process must be flexible. Not all requirements are always known from day zero. The changes are necessary, and I always keep in mind plans B or even C.

Papírová vlaštovka


I focus on the simplicity of each design. A strong focus is always on removing complexity and keeping the necessary parts. The result is higher reliability and a longer product lifetime.

Vesmírná družice


A part of my time is dedicated to the market observation. All renowned silicon manufacturers present their new products frequently and I focus on keeping touch with them. I like to learn new things and it is one of my

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My latest work

PCB layout in progress

Base board

🚀🚀🚀 𝗔 𝗻𝗲𝘄 𝘀𝗺𝗮𝗿𝘁 𝗮𝗻𝗱 𝘁𝗶𝗻𝘆 𝗽𝗿𝗼𝗷𝗲𝗰𝘁 I am currently working on a project for a smart wearable device. The first version has to 1️⃣ evaluate the concept and its feasibility 2️⃣ create a practical MVP 3️⃣ prepare the next...

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Verified and recommended current sensor by Melexis.

Verified current sensor

🎯🎯🎯 Are you looking for a reliable Hall current sensor for your device? You can stop searching. My best recommendations go to the Melexis MLX91221 family. Why? 1️⃣ The pin compatibility with similar devices by other manufacturers.2️⃣ The VREF voltage...

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A replacement job for a buck converter.

Buck for buck

🛠🛠🛠 Buck replacement On a board I have worked for a while, there is a buck converter of a type RP604K281A by @Nisshinbo Micro Devices Inc. The device is ingenious. There is no need for a feedback voltage divider at...

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Differential probe N2791A

Differential problem solver

🧪🧪🧪 My differential Probe solves problems Today I would like to introduce my friend, the Differential Probe. We’ve known each other for like 10+ years, and we did not argue once. I checked the probe is still on the market....

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Webench™️ Power Designer screenshot

Webench™️ plays games

🤖🤖🤖 Webench™️ Power Designer plays with us This is not going to be a satirical post. I love the Webench™️ Power Designer by @Texas Instruments. I played with the optimisation levels one day, and there is a result in the...

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Hardware Review offer

HW review hurts!

💊💊💊 Hardware design review hurts! Our egos cry for help. My ego used to not even think about the possibility of letting anyone criticise my pimped schematic or a PCB layout. It is pretty standard. Everyone’s experienced this bad feeling....

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3D-printed nut and bolts phone stands

Nut and bolts

🛠🛠🛠 Nut and bolts My GF asked me to print a few nut nad bolts phone stands for her company collagues. So I sit and let the magic machine work. In the pictures, there is a result. I like them....

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TI UniFlash tool


⚙️⚙️⚙️ Universal FLASH programming tool I have been working on a project using CC2640 MCU, and my prototypes need to be flashed with a customer code.  I was given excellent advice to use the UniFlash tool by @Texas Instruments. By...

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How to 3D-print a PCB

How to 3D-print PCBs from KiCAD

🎩🎩🎩 How to 3D-print PCBs from KiCAD? I prepared a short guide using Free tools only: 1️⃣ Set a new Drill/Place origin to the bottom left corner of the PCB. 2️⃣ Export the PCB as a new 3D model in...

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KiCAD Templates window

KiCAD project templates

🎩🎩🎩 Project templates in KiCAD Work on #hardwaretemplates for @Beny-devices inspired me to simplify the schematic drawing preparation. Especially the drawing Title block content repeats in every project. Here is a short guide on how to prepare a customized KiCAD schematic template:...

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Petr byl členem vítězného týmu na Hackathonu ABB Czech Code Cup www.abbccc.cz.

Tomáš Studeník radikální inovátor a městský hacker www.ceehacks.com

Petr Dvořák is knowledgeable, highly skilled and a pleasure to work with. He is very experienced in hardware designing and firmware developing areas.

Miroslaw Folejewski HW/PCB Designer

I would like recommend Petr as very responsible and gifted specialist in electronics.

Andrey Volkov Enterprise/Solution architect

Let me design for you

My schedule tends to be always full. Send me a quotation and I will answer soon.

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