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From Detector to Software Defined RadioRadio frequency (RF) technology is one of the areas which still allows putting your own ideas into practice. Countless circuit variants with special objectives allow space for meaningful experiments and projects. Many things simply aren’t available off the shelf. Crystal detector radios without their own power source, simple tube receivers with a touch of nostalgia, the first reception attempts at Software Defined Radio, special receivers for amateur radio, all this can be realized with little effort and as a perfect introduction to RF electronics.For a long time, radio construction was the first step into electronics. Meanwhile, there are other ways, especially via computers, microcontrollers, and digital technology. However, the analog roots of electronics are often neglected. Elementary radio technology and easy-to-do experiments are particularly well suited as a learning field for electronics because you can start with the simplest basics here.But the connection to modern digital technology is also obvious, for example, when it comes to modern tuning methods such as PLL and DDS or modern DSP radios.This book aims to give an overview and present a collection of simple RF projects. The author would like to support you to develop your own ideas, to design your own receivers and to test them.

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Elektor GREEN en GOLD leden kunnen deze uitgave hier downloaden. Nog geen lid? Klik hier om een lidmaatschap af te sluiten. Project-update: ESP32-gebaseerde energiemeterwe gaan verder met het prototype Optimalisatie van balkon PV-centralesoverwegingen, interessante feiten en berekeningen ESP32 met OpenDTU voor balkoncentralesgegevens van kleine omvormers via MCU’s uitlezen Regelbare lineaire labvoeding0...50 V / 0...2 A + dubbele symmetrische voeding Energieopslag – vandaag en morgeneen vraaggesprek met Simon Engelke 2024: een AI-odysseehet houdt nog lang niet op Bluetooth LE op de STM32meetwaarden op afstand uitlezen Mensvriendelijk slim keuken-voorraadsysteem MAUI: programmeren voor PC, tablet en smartphonehet nieuwe framework in theorie en praktijk ChatMagLevkunstmatig intelligente levitatie Eenvoudige PV-regelaarbouw je eerste, volledig functionele PV-energiebeheersysteem Koude-kathode-buizenvreemde onderdelen Uit het leven gegrepennostalgie Alle begin......bekijkt de FET CAN-bus voor de Arduino UNO R4: een tutorialtwee UNO R4’s nemen de bus! Elektor infographicvoeding en energie Vergelijking van vermogensdichtheid en vermogensefficiëntie Aluminium elektrolytische condensatorenstoringspotentieel in audiotechnologie USB testen en metenmet de Fnirsi FNB58 De Pixel Pump pick&place-tooleenvoudiger handmatige assemblage van SMT-printen Oost West Lab Bestnog niet zo lang geleden, in een land heel ver van hier... “In de wereld van ethiek in elektronica kunnen zelfs kleine stappen een aanzienlijke invloed hebben.” Ethiek in elektronicade OECD Guidelines en het Lieferkettensorgfaltspflichtengesetz Chadèche: slimme NiMH-(ont)laderlezersproject in het kort Project 2.0correcties, updates en brieven van lezers

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IMAGE PROCESSING WITH THE NVIDIA JETSON NANO (PART 2)Image Recognition Using Edge Impulse ELEKTOR JUMPSTARTER NEWSUpcoming Campaigns AN OPEN-SOURCE GPS TRACKING PLATFORMTraccar Maps Vehicle Tracking Without the Need for a Third-Party Cloud Server JOY-IT LCR-T7 MULTI-FUNCTION TESTERTesting Passives, Discrete Semiconductors and IR Remote Controls NOISE SYNTHESIZERFrom Noise to Music with the PRBSynth1 STARTING OUT IN ELECTRONICSEasier than Imagined! ... Continuing with the Coil UNDERSTANDING THE NEURONS IN NEURAL NETWORKS (PART 2)Logical Neurons ISSUES WITH SECURITY? FIGHT FIRE WITH FIRE!Flashbulb-Protected Analogue Memory Add-on For the Tamper-Evident Box LCR METER POSTER BLUETOOTH BEACONS IN PRACTICEBeacons Light the Way Ahead C PROGRAMMING ON RASPBERRY PICommunicating over Wi-Fi (Sample Chapter) EMC PRE-COMPLIANCE TEST FOR YOUR DC-POWERED PROJECT (PART 2)The Hardware and How to Use It HANDS ON THE PARALLAX PROPELLER 2 (PART 5)Inside the Smart Pin MODBUS OVER WLAN (PART 1)Hardware and Programming HOMELAB TOURSWhere the Junior Computer Is Brought to Life Again BUILD YOUR OWN HIGH-PRECISION CALIBRATOR-10 V to +10 V, 0 to 40 mA, 0.001% ARDUINO NANO RP2040 CONNECTRaspberry Pi RP2040 + Wi-Fi + Bluetooth THE PHYSICAL BODY OF ARTIFICIAL INTELLIGENCE ERR-LECTRONICSCorrections, Updates and Readers’ Letters CREATE GUIS WITH PYTHONIntroducing guizero CO2 METER KIT FOR THE CLASSROOMAn ESP8266-Based Device from the University of Applied Sciences Aachen NOSTALGIC MK484 MW/LW RADIO...Always Fun to Build! ELEKTOR @ 60Let There Be Light! HEXADOKUThe Original Elektorized Sudoku

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Elektor Magazine EN November/December 2020 (PDF)

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Elektor Magazine EN May/June 2021 (PDF)

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Elektor Magazine EN May/June 2020 (PDF)

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Elektor Magazine EN March/April 2020 (PDF)

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Elektor Magazine EN July/August 2020 (PDF)

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Elektor Magazine EN January/February 2021 (PDF)

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From Detector to Software Defined Radio Radio frequency (RF) technology is one of the areas which still allows putting your own ideas into practice. Countless circuit variants with special objectives allow space for meaningful experiments and projects. Many things simply aren’t available off the shelf. Crystal detector radios without their own power source, simple tube receivers with a touch of nostalgia, the first reception attempts at Software Defined Radio, special receivers for amateur radio, all this can be realized with little effort and as a perfect introduction to RF electronics. For a long time, radio construction was the first step into electronics. Meanwhile, there are other ways, especially via computers, microcontrollers, and digital technology. However, the analog roots of electronics are often neglected. Elementary radio technology and easy-to-do experiments are particularly well suited as a learning field for electronics because you can start with the simplest basics here. But the connection to modern digital technology is also obvious, for example, when it comes to modern tuning methods such as PLL and DDS or modern DSP radios. This book aims to give an overview and present a collection of simple RF projects. The author would like to support you to develop your own ideas, to design your own receivers and to test them.

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This DIY kit (HU-017A) is a wireless FM radio receiver with a 4-digit 7-segment display. It operates within the global FM receiving frequency band of 87.0-108.0 MHz, making it suitable for use in any country or region. The kit offers two power supply modes, allowing you to use it both at home and outdoors. This DIY electronic product will help you understand circuits and improve your soldering skills. Features 87.0-108.0 MHz FM Radio: Built-in RDA5807 FM data processor with a standard FM receiving frequency band. The FM frequency can be adjusted using the F+ and F- buttons. Adjustable Volume: Two volume adjustment methods – button and potentiometer. There are 15 volume levels. Active & Passive Audio Output: The kit has a built-in 0.5 W power amplifier to drive 8 Ω speakers directly. It also outputs audio signals to headsets or loudspeakers with AUX interfaces, allowing personal listening and sharing of FM audio. Configured with a 25 cm dedicated FM antenna and a (red) 4-digit 7-segment display for real-time display of FM radio frequency. The transparent acrylic shell protects the internal circuit board. It supports dual power supply methods – 5 V USB and 2x 1.5 V (AA) batteries. DIY Hand Soldering: The kit comes with various components that need to be installed manually. It helps exercise and improve soldering skills, making it suitable for electronics hobbyists, beginners, and educational purposes. Specifications Operating voltage DC 3 V/5 V Output impedance 8 Ω Output power 0.5 W Output channel Mono Receiver frequency 87.0 MHz~108.0 MHz Frequency accuracy 0.1 MHz Operating temperature −40°C to +85°C Operating humidity 5% to 95% RH Dimensions 107 x 70 x 23 mm IMPORTANT: Remove the batteries when powering the radio over to USB. Included 1x PCB 1x RDA5807M FM Receiver 1x STC15W404AS MCU 1x IC Socket 1x 74HC595D Register 1x TDA2822M Amplifier 1x IC Socket 1x AMS1117-3.3 V Voltage Converter 18x Metal Film Resistor 1x Potentiometer 4x Ceramic Capacitor 5x Electrolytic Capacitor 4x S8550 Transistor 1x Red LED 1x 4-digit 7-segment Display 1x Toggle Switch 1x SMD Micro USB Socket 1x Radio Antenna 1x AUX Audio Socket 4x Black Button 4x Button Cap 1x 0.5 W/8 Ω Speaker 1x Red/Black Wire 2x Double-sided adhesive 1x AA Battery Box 1x USB cable 6x Acrylic Board 4x Nylon Column Screw 4x M3 Screw 4x M3 Nut 4x M2x22 mm Screw 1x M2x6 mm Screw 5x M2 Nut

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DRIVING MOTORS WITH H-BRIDGESAn Introduction to DC, Stepper, and Brushless Motors THE ELEKTOR LAB TEAMOur Approach, Preferred Tools, and More RASPBERRY PI AS A KVM REMOTE CONTROLPi-KVM Software Test IQAUDIO CODEC ZEROA Sound Card for the Raspberry Pi Family THE PIKVM PROJECT AND LESSONS LEARNEDInterview with Maxim Devaev (Developer, PiKVM) AUTONOMOUS VEHICLE WITH 2D LIDARESP32 Pico Interprets Data from the Lidar Module THE RASPBERRY PI ZERO 2 W GOES QUAD-CORE NOTES FROM THE 2021 WORLD ETHICAL ELECTRONICS FORUM MOTOR CONTROLHow the Complexity of Motor Control Is Simplified LARGE ELECTRIC MOTORSBasic Principles and Useful Information GETTING STARTED WITH THE ESP32-C3 RISC-V MCU PROTECT YOURSELF AND OTHERS!DIY Master Power Switch for the Lab Bench CREATE GUIS WITH PYTHON (PART 2)Spy name chooser PRODUCTRONICA FAST FORWARD 2021 WINNERSExciting Technologies and Creative Engineering Solutions VERSATILE SERVO TESTERCheck Behavior When There’s No Datasheet MODBUS OVER WLAN (PART 2)Software for the Modbus TCP WLAN Module UNDERSTANDING THE NEURONS IN NEURAL NETWORKS (PART 3)Practical Neurons INSIDE AN OPEN-SOURCE PROCESSORSample Chapter: Lattice and Xilinx FPGA Results STARTING OUT IN ELECTRONICSWe Are Not Yet Done with the Coil ERR-LECTRONICSCorrections, Updates and Readers’ Letters COLOR TO SOUNDHow to Read Out a Color Sensor via I2C BATTLAB-ONEMeasure and Optimize the Battery Life of IoT Devices SIMPLE EARTH-LEAKAGE TRACERTesting Isolation of Mains Supply POVERTY AND ELECTRONICSSustainable Development Goal 1 HEXADOKUThe Original Elektorized Sudoku

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