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LoRa Stik - connect your RaspberryPi to IoT networkPrint

Crowdfunding campaign for LoRa Stik is available on Crowdsupply website. The LoRa Stik is interface for connecting of your devices to Internet of Things. The IoT device contains USB connector so you can esaily connect your laptop, RaspberryPi, OrangePi or BananaPi to IoT and send your needed data. ...

Get OMNI in Just 15 MinutesPrint

Insert SODIMM RAM module into socket, connect SSD and fasten it to CPU BOX kit. Connect 3 cables from the LCD kit to CPU BOX kit, click CPU BOX kit into LCD kit and fix 3 screws - done. You can build panel PC yourself or buy pre-assembled one.
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Are you ready for the new generation?Print

WIZnet has just launched a new W7500 & W7500P-based Serial to Ethernet modules (S2E modules), which are pin-to-pin compatible with WIZnet?s existing S2E modules ? WIZ1XX series.
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How does the EMC Filter work?Print

Swiss company Schurter offers EMC filters, common mode chokes, as well as filters integrated with inlet, switch and fuse. Typical EMC filter contains common mode choke and X and Y class capacitors. But how does it work?
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Active electronic load with STM32Print

Summer holiday is comming and maybe you are looking for some interesting project which will be helpful for your development.
Active electronic load is very good project which you can use everytime during you development of power supply or regulator....

7 COLOURS of Terminal BlocksPrint

Green, grey, black, blue, red, yellow and orange - using Euroclamp coloured terminal blocks radically reduces the possibility of incorrect connecting of the cables.
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Orange Pi 3G IoT in two variants (256/512MB) RAM and (512MB/4GB) eMMCPrint

Xunlong company released a new development board with 3G connectivity in two variants. You can also buy 2G (Orange Pi 2G-IoT) and 4G (Orange Pi 4G-IoT) which Xunlong already released.
Now, here are two variants of OrangePi 3G-IoT board - A (19.90 USD) and B (24.90 USD)...

Sony Spresense - development board with GPS, Glonass and camera interfacePrint

Sony released the specification of very powerful development board with Arduino Uno connectors and support in Arduino IDE. ...

A New version of "Tasker for Arduino"Print

This is a cooperative scheduler for running multiple tasks on Arduino. The tasks are called automatically at specified times for specified number of times. This frees your program from timing logic and makes your Arduino look like it's doing several things at once.

SCD30 is More Than Just the NDIR CO2 SensorPrint

Sensirion SCD30 is a calibrated module with NDIR CO2, humidity and temperature sensors. Measuring of CO2 concentration and automatic ventilation on demand guarantees healthy workplace and even saves the energy.
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BigClown VOC TAGPrint

The popular czech IoT platform called BigClown released a new sensor (TAG). TAG called VOC (Volatile Organic Compounds), it is a new TAG, now you can buy also humidity, temperature, light intensity and NFC. ...

Original Arduino board with ESP32 (MKR WiFi 1010) and board for NB-IoT (MKR NB 1500)Print prepares a new development boards for your application.
Arduino MKR WiFi 1010 with ESP32 IC and Arduino MKR NB 1500 which supports NB-IoT network (Vodafone, AT&T, T-Mobile USA, Telstra, Verizon).

Two new Arduino boards are comming - Uno WiFi Rev. 2 and Vidor 4000 with FPGAPrint

A new original Arduino boards are comming. Arduino prepares two new boards - a new revision of Arduino Uno WiFi (Rev. 2) and Arduino Vidor 4000, which includes FPGA.

Weller soldering station for less than 150 Euro?Print

New soldering station WE1010 proves that even a very decent station can be available at an affordable price. It?s primarily designed for schools, students, demanding hobbyists, developers etc.
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Really small ESP32 PICO D4 module for 4.70 USDPrint

Espressif released ESP32 PICO D4 before a few months. During this time, manufacturers released a few development boards with this WiFi and Bluetooth IC.
This news describes you really small module (smaller than ESP-WROOM-32) with ESP32 PICO D4, which you can buy on aliexpress.

SUSE Linux and RaspberryPiPrint

SUSE Linux released version of OS used for Raspberry Pi single-board computer.

Gold medal for silver for MarquardtPrint

Renowned German manufacturer optimizes the offer of preferred rocker switches.
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Update: Interesting sensors for your weather stationPrint

The article Interesting sensors for your weather station was updated.
There are two new sensors for measurement of moisture of soil.
The first sensor measures conductivity, the second measures the change of capacity.

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Update: Eagle tips and tricksPrint

The article about tips and tricks of Eagle CAD which is focused on design of PCB was updated.
Now, you find there How to create thermals for vias and also How to generate polygon for whole PCB.
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CanSat HATALOM - the winner of czech national round of CanSat competition (ESA)Print

In the competition organised by ESA (European Space Agency competition, link to competition: and, which is called CanSat teams made of 4-6 members have to build an own satellite, which is taken by a dron or a rocket to a height of up to 2,000m. It is an international competition, rather European. In the European final, each country is represented by maximally one team (some countries have no representation at all and have to fight in a barrage for place in final round). After passing through two rounds of national competition, the Hatalom team from Opatov Grammar School became the team representing the Czech Republic. The European final will take place from 27 June to 1 July in the Azores in Portugal.