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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.

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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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The best products, components and services I have found in the last month.


My latest work

Colorful Pin headers


🍭🍭🍭 𝐃𝐨 𝐲𝐨𝐮 𝐥𝐢𝐤𝐞 𝐩𝐨𝐩𝐬𝐢𝐜𝐥𝐞𝐬? I don’t, but I have a thing in ones 👇👇👇 Your design can be just more fun and more human. The regular black headers are good but those red or yellow ones lit up your...

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LTM4644 PCB board manufacturing

LTM µModule PCB

Today, I want to share some insights from a project I’ve been working on, targeting power management in hardware design. I’ve created an evaluation PCB for the LTM4644 PMIC (Power Management IC) by Analog Devices. 📊 Quick Specs: 1️⃣ Outputs:...

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PCB redesign in progress

Redesign can start

🎬🎬🎬 𝐓𝐡𝐞 𝐩𝐫𝐨𝐣𝐞𝐜𝐭 𝐫𝐞𝐝𝐞𝐬𝐢𝐠𝐧 𝐜𝐚𝐧 𝐬𝐭𝐚𝐫𝐭 …after we pave the road for a successful finish. Please, always follow the following steps: 1️⃣ 𝗔𝗹𝗶𝗴𝗻𝗺𝗲𝗻𝘁 𝗙𝗶𝗿𝘀𝘁: Before a single line is drawn or a plan set into motion, ensure that every expectation...

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Verifying client expectation using 3D renders

Verifying Client Expectations

👁️👁️👁️ 𝐕𝐞𝐫𝐢𝐟𝐲𝐢𝐧𝐠 𝐂𝐥𝐢𝐞𝐧𝐭 𝐄𝐱𝐩𝐞𝐜𝐭𝐚𝐭𝐢𝐨𝐧𝐬 𝐁𝐞𝐟𝐨𝐫𝐞 𝐚 𝐏𝐫𝐨𝐣𝐞𝐜𝐭 𝐑𝐞𝐝𝐞𝐬𝐢𝐠𝐧 Before embarking on any redesign journey, consider this: 𝗖𝗹𝗶𝗲𝗻𝘁 𝗔𝗹𝗶𝗴𝗻𝗺𝗲𝗻𝘁: It’s not just about what you think needs changing; it’s about what the client envisions. A mutual understanding is paramount. A project...

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iCE40-HX8 devkit

My personal journey back to FPGA

⏮️ About two decades ago, a university seminar opened a door for me. It wasn’t just any seminar, but one focused on #CPLD devices and the intricacies of hardware description languages. Armed with this knowledge, I embarked on a project...

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RP2040+ESP32 devkit


🍓🍓🍓 𝐑𝐏𝟐𝟎𝟒𝟎 𝐝𝐞𝐯𝐤𝐢𝐭 𝐨𝐧 𝐬𝐭𝐞𝐫𝐨𝐢𝐝𝐬 In the world of tech, evolution is constant. But every so often, a piece of hardware comes along that rekindles the spark of innovation and gets the heart racing. I recently had the pleasure of...

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Pomona MiniGrabber cords

Pomona Grabber cord

🏑🏑🏑 𝐇𝐨𝐨𝐤 𝐠𝐫𝐚𝐛𝐛𝐞𝐫𝐬 𝐫𝐮𝐥𝐞 𝐭𝐡𝐞 𝐠𝐚𝐦𝐞 Enter the 𝗠𝗜𝗡𝗜𝗚𝗥𝗔𝗕𝗕𝗘𝗥 𝗣𝗔𝗧𝗖𝗛 𝗖𝗢𝗥𝗗 by Pomona. At first glance, it might seem like just another test lead, but a closer inspection reveals its brilliance. Equipped with hook grabbers on both ends, this tool...

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LM339 datasheet

What is the oldest?

👵🏻👵🏻👵🏻 𝐖𝐡𝐚𝐭 𝐢𝐬 𝐭𝐡𝐞 𝐨𝐥𝐝𝐞𝐬𝐭 𝐜𝐨𝐦𝐩𝐨𝐧𝐞𝐧𝐭 𝐲𝐨𝐮 𝐮𝐬𝐞 𝐟𝐨𝐫 𝐲𝐨𝐮𝐫 𝐝𝐞𝐬𝐢𝐠𝐧𝐬? For me, the oldest component I consistently reach for in my designs is the 𝗟𝗠𝟯𝟯𝟵 comparator. While many might be swayed by the allure of newer, shinier alternatives, there’s...

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Testing on the bench

How do I test my boards?

🔌⚡ 🔌⚡ 🔌⚡ 𝐀 𝐌𝐚𝐢𝐧𝐬 𝐏𝐨𝐰𝐞𝐫 𝐒𝐮𝐩𝐩𝐥𝐲 𝐄𝐱𝐚𝐦𝐢𝐧𝐚𝐭𝐢𝐨𝐧 As an engineer deeply engrossed in the world of electronics, board testing remains a critical phase in the lifecycle of any design. Every board tells a story, and it’s my task to...

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DIN-rail node manufacturing

DIN-rail node manufacturing

🏗️🏗️🏗️ 𝐏𝐫𝐨𝐭𝐨𝐭𝐲𝐩𝐞 𝐦𝐚𝐧𝐮𝐟𝐚𝐜𝐭𝐮𝐫𝐢𝐧𝐠 I’ve just knee-deep in the prototype manufacturing phase of the DIN-rail compatible industrial node I’d previously introduced. For those who missed my earlier post, this node boasts an array of features tailored for the industrial environment, and...

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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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