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PC USB Logic Analyzers with Arduino, Raspberry Pi, and Co. Step-by-step instructions guide you through the analysis of modern protocols such as I²C, SPI, UART, RS-232, NeoPixel, WS28xx, HD44780 and 1-Wire protocols. With the help of numerous experimental circuits based on the Raspberry Pi Pico, Arduino Uno and the Bus Pirate, you will learn the practical application of popular USB logic analyzers. All the experimental circuits presented in this book have been fully tested and are fully functional. The necessary program listings are included – no special programming or electronics knowledge is required for these circuits. The programming languages used are MicroPython and C along with the development environments Thonny and Arduino IDE. This book uses several models of flexible and widely available USB logic analyzers and shows the strengths and weaknesses of each price range. You will learn about the criteria that matter for your work and be able to find the right device for you. Whether Arduino, Raspberry Pi or Raspberry Pi Pico, the example circuits shown allow you to get started quickly with protocol analysis and can also serve as a basis for your own experiments. After reading this book, you will be familiar with all the important terms and contexts, conduct your own experiments, analyze protocols independently, culminating in a comprehensive knowledge set of digital signals and protocols.

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The Peak Atlas DCA55 is great for automatically identifying the type of semiconductor on the test leads as well as the pinout and many other parameters. Supports transistors MOSFETs, JFETs (gate pin only can be identified), diodes, LEDs and lots more. Automatically identifies type of component, pinout and other important parameters. Now features transistor leakage measurement and Germanium/Silicon identification. Component Support Bipolar transistors (NPN/PNP inc Silicon/Germanium) Darlington transistors (NPN/PNP) Enhancement mode MOSFETs (N-Ch and P-Ch) Depletion mode MOSFETs (N-Ch and P-Ch) Junction FETs (N-Ch and P-Ch). Only gate lead identified Diodes and diode networks (2 and 3 lead types) LEDs and bi-colour LEDs (2 lead and 3 lead types) Low power sensitive Triacs and Thyristors (<5 mA trigger and hold) Measurements Part type identification Pinout identification BJT current gain (hFE) BJT base emitter voltage (Vbe) BJT collector leakage current MOSFET gate threshold voltage Diode forward voltage drop (Vf) Specifications Analyzer type Transistors, Diodes, LEDs, MOSFETs, JFETs Pinout detection Full pinout (only Gate on JFETs) Pinout configuration Connect any way round Transistor measurements Vbe, hFE, Iceo MOSFET measurements Vgs(on) Diode measurements Vf Probe type Universal grabber type Battery Single AAA cell (supplied). Life typically 1300 ops Test conditions Typically 5 mA, 5 V peak Display type Alphanumeric LCD (with backlight) Included Peak Atlas DCA55 Semiconductor Analyzer Comprehensive illustrated user guide Fitted universal hook probes AAA Alkaline battery Downloads Datasheet (EN) User Guide (EN) User Guide (IT)

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The QA403 is QuantAsylum's fourth-generation audio analyzer. The QA403 extends the functionality of the QA402 with improved noise and distortion performance, in addition to a flatter response at band edges. The compact size of the QA403 means you can take it just about anywhere. Features 24-bit ADC/DAC Up to 192 kSPS Fully isolated from PC Differential Input/Output USB powered Built-in Attenuator Fast Bootup and Driverless The QA403 is a driverless USB device, meaning it’s ready as soon as you plug it in. The software is free and it is quick and easy to move the hardware from one machine to the next. So, if you need to head to the factory to troubleshoot a problem or take the QA403 home for a work-from-home day, you can do it without hassle. No-Cal Design The QA403 comes with a factory calibration in its flash memory, ensuring consistent unit-to-unit performance. On your manufacturing line you can install another QA403 and be confident what you read on one unit will be very similar to the next unit. It is not expected that re-calibration will be required at regular intervals. Measurements Making basic measurements is quick and easy. In a few clicks you will understand the frequency response, THD(+N), gain, SNR and more of your device-under test. Dynamic Range The QA403 offers 8 gain ranges on the input (0 to +42 dBV in 6 steps), and 4 gain ranges on the output (-12 to +18 dBV in 10 dB steps). This ensures consistent performance over very wide ranges of input and output levels. The maximum AC input to the QA403 is +32 dBV = 40 Vrms. The maximum DC is ±40 V, and the maximum ACPEAK + DC = ±56 V. Easy Programmability The QA403 supports a REST interface, making it easy to automate measurements in just about any language you might anticipate. From Python to C++ to Visual Basic—if you know how to load a web page in your favorite language, you can control the QA403 remotely. Measurements are fast and responsive, usually with dozens of commands being processed per second. Isolated and USB Powered The QA403 is isolated from the PC, meaning you are measuring your DUT and not chasing some phantom ground loop. The QA403 is USB powered, like nearly all our instruments. If you are setting up remotely, throw a powered hub in your bag and your entire test setup can be running with a minimum of cables. Goodbye Soundcard, Hello QA403 Tired of trying to make a soundcard work? The calibration nightmare? The lack of gain stages? The limited drive? Are you tired of dealing with the fixed input ranges? The worry that you might destroy it with too much DC or AC? Tired of the ground loops? That’s why QuantAsylum built the QA403. Specifications Dimensions 177 x 44 x 97 mm (W x H x D) Weight 435 g Case Material Powder-coating Aluminum (2 mm thick front panel, 1.6 mm thick top/bottom) Downloads Datasheet Manual GitHub

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The OWON XSA815-TG (9 kHz-1.5 GHz) is a cost effective spectrum analyzer with tracking generator included and a frequency resolutions of 1 Hz. Features Frequency Range from 9 kHz to 1.500009 GHz 9-inch display 9 kHz to 1 MHz -95 dBm Displayed Average Noise Level, 1 MHz to 500 MHz 140 dBm (Typical), <-130 dBm Phase Noise -10 kHz <-80 dBc/Hz 100 kHz <-100 dBc/Hz 1 MHz <-115 dBc/Hz Resolution Bandwidth (-3 dB): 1 Hz to 1 MHz, in 1-3-5-10 sequence Tracking Generator Kit: 100 kHz to 1.500009 GHz Specifications Frequency Range 9 kHz to 500.009 MHz Frequency Resolution 1 Hz Frequency Span 9 kHz to 1.500009 GHz Span Range 0 Hz, 100 Hz to max frequency of instrument Span Uncertainty ±span / (sweep points-1) SSB Phase Noise (20°C to 30°C, fc=1 GHz) Carrier Offset 10 kHz <-80 dBc/Hz | 100 kHz <-100 dBc/Hz | 1 MHz <-115 dBc/Hz Resolution Bandwidth (-3 dB) 1 Hz to 1 MHz, in 1-3-5-10 sequence RBW Accuracy <5% typical Resolution Filter Shape Factor (60 dB: 3 dB) <5 typical Video Bandwidth (-3 dB) 10 Hz to 1 MHz, in 1-3-5-10 sequence Amplitude measurement range DANL to +10 dBm, 100 kHz to 10 MHz, Preamp Off DANL to +20 dBm, 10 MHz to 1.5 GHz, Preamp Off Reference Level -80 dBm to +30 dBm, 0.01dB by step Preamp 20 dB, nominal, 100 kHz to 1.5 GHz Input Attenuator 0 to 40 dB, 1 dB by step Display Average Noise Level Input attenuation = 0 dB, RBW = VBW = 100 Hz, sample detector, trace average ≥ 50, 20°C to 30°C, input impedance = 50 Ω) Preamp Off 9 kHz to 1 MHz -95 dBm (Typical), <-88 dBm Preamp Off 1 MHz to 500 MHz -140 dBm (Typical), <-130 dBm Preamp On 100 kHz to 1 MHz -135 dBm (Typical), <-128 dBm Preamp On 1 MHz to 500 MHz -160 dBm (Typical),<-150 dBm Tracking Generator (optional) Frequency Range 100 kHz to 1.500009 GHz Output power level range -40 dBm to 0 dBm Output level resolution 1 dB Output flatness Relative to 50 MHz | ±3 dB Tracking generator spurious Harmonic spurious -30 dBc (Tracking generator output power -10 dBm) Non-harmonic spurious -40 dBc (Tracking generator output power -10 dBm) Tracking generator to input terminal isolation -60 dB (Tracking generator output power 0 dBm) Tracking generator to input terminal isolation -60 dB (Tracking generator output power 0 dBm) Tracking generator to input terminal isolation -60 dB (Tracking generator output power 0 dBm) Dimensions 375 x 185 x 120 mm Weight 3.7 kg Included 1x XSA815-TG 1x 220 V AC power cord 1x USB Cable 1x Quickstart guide Downloads Quick Guide Specifications

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PC USB Logic Analyzers with Arduino, Raspberry Pi, and Co. Step-by-step instructions guide you through the analysis of modern protocols such as I²C, SPI, UART, RS-232, NeoPixel, WS28xx, HD44780 and 1-Wire protocols. With the help of numerous experimental circuits based on the Raspberry Pi Pico, Arduino Uno and the Bus Pirate, you will learn the practical application of popular USB logic analyzers. All the experimental circuits presented in this book have been fully tested and are fully functional. The necessary program listings are included – no special programming or electronics knowledge is required for these circuits. The programming languages used are MicroPython and C along with the development environments Thonny and Arduino IDE. This book uses several models of flexible and widely available USB logic analyzers and shows the strengths and weaknesses of each price range. You will learn about the criteria that matter for your work and be able to find the right device for you. Whether Arduino, Raspberry Pi or Raspberry Pi Pico, the example circuits shown allow you to get started quickly with protocol analysis and can also serve as a basis for your own experiments. After reading this book, you will be familiar with all the important terms and contexts, conduct your own experiments, analyze protocols independently, culminating in a comprehensive knowledge set of digital signals and protocols.

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The USB-CAN-FD is an industrial-grade high-performance USB to CAN-FD adapter, CAN/CAN-FD bus communication interface card, and CAN/CAN-FD protocol data analyzer. Onboard dual independent CAN-FD interfaces with electrical isolation and multiple protection circuits. Supports Windows system, comes with drivers, CAN-FD Tools related software, secondary development examples, and tutorials. It can be connected to the PC or industrial control host via a USB port to realize transceiver control, data analysis, collection and monitoring of CAN/CAN-FD bus network. It is compact in size and easy to use, which can be used for learning and debugging of CAN/CAN-FD bus, as well as for secondary development and integration into various industrial, power communication, and intelligent control applications that require CAN/CAN-FD bus communication. Specifications Product type Industrial grade: USB to CAN-FD interface converter, CAN/CAN-FD bus communication interface card, CAN/CAN-FD protocol data analyzer USB Operating voltage 5 V (directly powered by USB port without external power supply) Connector USB-B CAN/CAN FD interface CAN/CAN FD channel Dual-channel: CAN1 and CAN2 (independent and full-isolated, isolated voltage: 3000 V DC) Connector CAN bus screw terminal (OPEN6 5.08 mm pitch) Terminal resistor Each CAN/CAN-FD channel has two built-in 120Ω terminal resistors, which can be enabled by switch Baud Rate 100Kbps~5Mbps (configurable via software) Protocol Support CAN2.0A, CAN2.0B, and ISO 11898-1 CAN-FD protocol V.1.0 Transfer speed The receiving and sending speed of each CAN/CAN-FD channel can reach 20000 frames/s and 5000 frames/s Transmit buffer 1500 frames receiving buffer and 64 frames sending buffer per channel (automatically retransmit when the transmission fails) Indicators PWR Power indicator SYS System status indicator, normally off; keeps on when there is a bus error CAN1 CAN1 channel indicator (blinking when sending and receiving data) CAN2 CAN2 channel indicator (blinking when sending and receiving data) System support Windows Windows XP/7/8/10/11 (32/64 bits); Does Not support the Linux system now, and the related drivers are under development. Operating temperature −40 to +85°C Case material Aluminum alloy case + 3D flame-retardant insulating sheets on both sides (This design can provide better protection against metal tip discharge, also improves product safety, and extends service life) Dimensions 104 x 70 x 25 mm Included Waveshare USB-CAN-FD USB-A to USB-B cable 4-pin cable Screwdriver Downloads Wiki

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2 Channels • 350 MHz • 1 GSa/s • 50,000 wfm/s • 7 inch Touchscreen The FNIRSI DPOS350P is a sleek 4-in-1 powerhouse in tablet form! This compact and portable device packs serious functionality: it combines a 2-channel oscilloscope (350 MHz), a signal generator (50 MHz), a frequency response analyzer (50 MHz), and a spectrum analyzer (200 kHz–350 MHz) – all in one unit. Whether you're in R&D, troubleshooting, or field testing, the DPOS350P delivers the tools you need to measure, generate, analyze, and visualize electronic signals with precision and clarity. Its responsive high-resolution touchscreen and intuitive controls make signal analysis fast, flexible and efficient. Features Powerful Multi-Function Integration 350 MHz 2-channel oscilloscope with 1 GSa/s real-time sampling 50 MHz signal generator with 14 standard + custom waveforms Spectrum analyzer (200 kHz–350 MHz): Perfect for EMI, RF & HF testing Frequency response analyzer (FRA) up to 50 MHz High-Performance Waveform Capture 50,000 wfm/s refresh rate for real-time signal clarity 350 MHz bandwidth (single-channel mode) Detects rare and low-probability anomalies Crisp Display & Smooth Operation 7" IPS touchscreen (1024 x 600 resolution) Switch between grayscale and color temperature display Easy to operate in various test environments Reliable, Protected & Fast-Charging High-voltage protection up to 400 V Fast charging with QC 18 W (full charge in 2 hours) Built for stable long-term operation Data Storage & Export Save up to 500 waveform records + 90 screenshots USB export for easy reporting and offline analysis Specifications General Display 7 inch (IPS full viewing angle) Resolution 1024 x 600 pixels Interaction mode Capacitive touch screen Total power consumption 10 W Power-on configuration 5 presets Charging QC 18 W, 12 V/1.5 A (USB-C) Battery 3.7 V, 8000 mAh lithium battery Battery life approx. 3 hours in operation, 5 hours standby Heat dissipation Air cooling Expansion interface USB data port Automatic shutdown 15~60 minutes / off Firmware upgrade Support .iso image upgrade Languages English / Portuguese / Russian / Chinese Dimensions 190 x 128 x 37 mm Oscilloscope Analog channels 2 Analog bandwidth 350 MHz Rise time 1ns Real-time sampling rate 1 GSa/s Memory depth 60 Kpts Input impedance 1 MΩ / 14PF Time base range 5ns ~ 50s Roll time base 50ms ~ 50s Vertical sensitivity 2 mV ~ 20 V (1X) Vertical range 16 mV ~ 160 V (1X) DC accuracy ±2% Time accuracy ±0.01% Input coupling DC / AC Probe attenuation 1X / 10X / 100X Hardware bandwidth limit 150M / 20M High resolution mode 8bit ~ 16bit Parameter measurements 12 types Cursor measurement Time, period, frequency, level, voltage Trigger detection Digital trigger Trigger channel CH1 / CH2 Trigger mode Auto / Single / Normal Trigger edge Rising edge / Falling edge Trigger suppression L1 ~ L3 Trigger level Manual / automatic 10% ~ 90% Screenshot storage 90 pictures Waveform storage 500 groups Background grid Display / hide Waveform movement Coarse adjustment / fine adjustment Overvoltage protection Withstand voltage 400 V Waveform brightness Adjustable Simple FFT display Yes Digital fluorescence Yes Color temperature display Yes X-Y mode Yes ZOOM time base Yes One-key automatic adjustment Yes One-key return to zero Yes Data browser Yes Signal Generator Waveform types 14 standard functions + captured waveform Frequency 0~50 MHz (sine wave only, other waveforms up to 10M/5M/3M) Amplitude 0~5 VPP Offset -2.5 V ~ +2.5V Duty cycle 0.1~99.9% Frequency resolution 1 Hz Amplitude resolution 1 mV Offset resolution 1 mV Duty cycle resolution 0.1% Customizable captured waveform 500 groups Frequency Response Analyzer (FRA) Excitation signal frequency 100 Hz ~ 50 MHz Excitation signal amplitude 0~5 VPP Excitation signal offset -2.5V ~ +2.5V Excitation frequency count 20~500 Cursor measurement Frequency / gain / phase Operating mode Single / cyclic System calibration Yes Spectrum Analyzer Conversion method FFT FFT length 4K ~ 32K Frequency range 200 KHz ~ 350 MHz Level range -60 dBmV ~ +260 dBmV Cursor measurement Frequency / amplitude Marking parameter Maximum energy harmonic Waterfall chart Yes 3D waterfall chart Yes Automatic adjustment Yes System calibration Yes Included 1x FNIRSI DPOS350P (4-in-1) 2x 350 MHz Probes 1x QC 18 W Fast Charger (EU) 1x USB Data Cable 1x Alligator Clip 1x Storage Bag 1x Manual Downloads Manual Firmware

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The Siglent SSA3075X Plus spectrum analyzer is a powerful and flexible tool for RF signal and network analysis. With a frequency range of 7.5 GHz, the analyzer delivers reliable automatic measurements and multiple modes of operation: spectrum analyzer the base, optional functions include RF power measurement, vector signal modulation analysis, reflection measurement, and EMI test. Applications include broadcast monitoring/evaluation, site surveying, S-parameter measurement, analog/digital modulation analysis, EMI pre-compliance test, research and development, education, production, and maintenance. Features Spectrum Analyzer Frequency Range from 9 kHz to 7.5 GHz –165 dBm/Hz Displayed Average Noise Level (Typ.) –98 dBc/Hz. @ 10 kHz Offset Phase Noise (1 GHz, Typ.) Level Measurement Uncertainty <0.7 dB (Typ.) 1 Hz Minimum Resolution Bandwidth (RBW) Preamplifier (Std.) Tracking Generator (incl. free of charge) Analog and Digital Signal Modulation Analysis Mode (opt.) Reflection Measurement Kit (opt.) EMI Filter and Quasi-Peak Detector Kit (opt.) Advanced Measurement Kit (opt.) 10.1-inch Multi-Touch Screen , Mouse and Keyboard supported Web Browser Remote Control on PC and Mobile Terminals and File Operation Specifications SSA3015X Plus SSA3021X Plus SSA3032X Plus SSA3075X Plus Frequency Range 9 kHz ~ 1.5 GHz 9 kHz ~ 2.1 GHz 9 kHz ~ 3.2 GHz 9 kHz ~ 7.5 GHz Resolution Bandwidth 1 Hz ~ 1 MHz 1 Hz ~ 1 MHz 1 Hz ~ 1 MHz 1 Hz ~ 3 MHz Phase Noise <–99 dBc/Hz <–98 dBc/Hz <–98 dBc/Hz <–98 dBc/Hz Total Amplitude Accuracy <1.2 dB <0.7 dB <0.7 dB <0.7 dB Display Average Noise Level –156 dBm/Hz –161 dBm/Hz –161 dBm/Hz –165 dBm/Hz Included Siglent SSA3075X Plus spectrum analyzer USB cable Power cord Quick start guide Downloads Datasheet Manual Documentation Firmware

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The Siglent SSA3021X Plus spectrum analyzer is a powerful and flexible tool for RF signal and network analysis. With a frequency range of 2.1 GHz, the analyzer delivers reliable automatic measurements and multiple modes of operation: spectrum analyzer the base, optional functions include RF power measurement, vector signal modulation analysis, reflection measurement, and EMI test. Applications include broadcast monitoring/evaluation, site surveying, S-parameter measurement, analog/digital modulation analysis, EMI pre-compliance test, research and development, education, production, and maintenance. Features Spectrum Analyzer Frequency Range from 9 kHz to 2.1 GHz –161 dBm/Hz Displayed Average Noise Level (Typ.) –98 dBc/Hz. @ 10 kHz Offset Phase Noise (1 GHz, Typ.) Level Measurement Uncertainty <0.7 dB (Typ.) 1 Hz Minimum Resolution Bandwidth (RBW) Preamplifier (Std.) Tracking Generator (incl. free of charge) Analog and Digital Signal Modulation Analysis Mode (opt.) Reflection Measurement Kit (opt.) EMI Filter and Quasi-Peak Detector Kit (opt.) Advanced Measurement Kit (opt.) 10.1-inch Multi-Touch Screen , Mouse and Keyboard supported Web Browser Remote Control on PC and Mobile Terminals and File Operation Specifications SSA3015X Plus SSA3021X Plus SSA3032X Plus SSA3075X Plus Frequency Range 9 kHz ~ 1.5 GHz 9 kHz ~ 2.1 GHz 9 kHz ~ 3.2 GHz 9 kHz ~ 7.5 GHz Resolution Bandwidth 1 Hz ~ 1 MHz 1 Hz ~ 1 MHz 1 Hz ~ 1 MHz 1 Hz ~ 3 MHz Phase Noise <–99 dBc/Hz <–98 dBc/Hz <–98 dBc/Hz <–98 dBc/Hz Total Amplitude Accuracy <1.2 dB <0.7 dB <0.7 dB <0.7 dB Display Average Noise Level –156 dBm/Hz –161 dBm/Hz –161 dBm/Hz –165 dBm/Hz Included Siglent SSA3021X Plus spectrum analyzer USB cable Power cord Quick start guide Downloads Datasheet Manual Documentation Firmware

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The FNIRSI DSO153 is a highly practical and cost-effective handheld oscilloscope with a real-time sampling rate of 5 MSa/s, 1 MHz bandwidth, and complete triggering function (single, normal, auto). It can be used freely for both periodic analog signals and non-periodic digital signals, and can measure up to ±400 V voltage with an efficient one-click AUTO, which can display the measured waveform without complicated adjustments. Additionally, it features a function signal generator capable of outputting 14 types of signals (10 KHz). Equipped with a 2.8-inch 320x240 resolution HD LCD screen and a built-in 1000 mAh high-quality lithium battery, it can be used for about 4 hours when fully charged. Features 2.8-inch HD LCD display with 320x240 Resolution Portable Pocket Oscilloscope with Signal Generator Lightweight, mini-sized, assembled Faster sampling: 5 MS/s, 1 MHz bandwidth Versatile triggering: Single, Normal, Auto User-friendly: One-button setup Extended battery: 1000 mAh, 4 hours Multi-functionality: 10 KHz Sine Wave Generator Specifications Bandwidth 1 MHz Sampling rate 5 MSa/s Vertical Sensitivity 10mV/Div – 20V/Div Time Base Range 500ns/Div – 20s/Div Voltage Range X1: ±40 V (Vpp: 80 V)X10: ±400 V (Vpp: 800 V) Trigger Method Auto / Normal / Single Coupling Method AC/DC Frequency Range 0-10 KHz Duty Cycle Range 0-100% Amplitude Range 0.1-3.3 V Display 2.8 inches (Resolution: 320 x 240) USB Charging 5 V/1 A Lithium Battery Capacity 1000 mAh Dimensions 99 x 68.3 x 19.5 mm Weight 100 g Included 1x FNIRSI DSO153 Oscilloscope 1x P6100 oscilloscope probe 1x Adapter 1x Alligator clip probe 1x USB charging cable 1x Lanyard 1x Manual Downloads Manual Firmware V1.1.8

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