{"title":"Electronics \u0026 Computing","description":"\u003cp\u003eRTL-SDR receivers, vector network analyzers, single-board computers, microcontrollers, oscilloscopes, signal generators, and UV-Vis spectrometers for electronics and physics experimentation.\u003c\/p\u003e","products":[{"product_id":"rtl-sdr-blog-v3-software-defined-radio-dipole-antenna-kit","title":"RTL-SDR Blog V3 Software Defined Radio + Dipole Antenna Kit","description":"\u003cp\u003e\u003cstrong\u003eA $35 USB dongle that turns your laptop into a radio telescope capable of receiving everything from aircraft transponders to meteor ionization trails at 100 MHz.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eSoftware-Defined Radio (SDR) replaces analogue RF hardware — mixers, filters, demodulators — with digital signal processing algorithms running on a CPU or GPU. The RTL-SDR V3 uses a Rafael Micro R820T2 tuner chip covering 500 kHz–1.766 GHz with a 28.8 MHz sampling bandwidth, converting RF signals to in-phase\/quadrature (I\/Q) baseband pairs that software reconstructs into any modulation scheme: AM, FM, SSB, CW, ADS-B, NOAA weather satellite, ACARS, FlightAware feeds, P25 trunking, even passive radar. The included bias-tee (4.5 V, 180 mA) powers active antennas directly from the USB port.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFrequency range: 500 kHz–1766 MHz (with direct sampling for HF to 28 MHz)\u003c\/li\u003e\n\u003cli\u003e28.8 MHz instantaneous bandwidth; R820T2 + RTL2832U chipset\u003c\/li\u003e\n\u003cli\u003eIncludes: SMA dipole antenna set, MCX-to-SMA adapter, 3 m USB cable\u003c\/li\u003e\n\u003cli\u003eCompatible with SDR#, GNU Radio, GQRX, ADS-B feeder apps; Windows\/Mac\/Linux\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eEvery purchase directly funds independent physics research at the Golden Physics Project.\u003c\/em\u003e\u003c\/p\u003e","brand":"Golden Physics Project","offers":[{"title":"Default Title","offer_id":54144349962532,"sku":"GPP-ELEC-RTLSDR","price":79.99,"currency_code":"CAD","in_stock":true}]},{"product_id":"nanovna-h4-vector-network-analyzer","title":"NanoVNA-H4 Vector Network Analyzer 50 kHz–1.5 GHz with 4-Inch Display","description":"\u003cp\u003e\u003cstrong\u003eA vector network analyzer measures the complete scattering matrix of any two-port RF network — the same S-parameter analysis CERN engineers use on accelerator RF cavities, now in a 100 g handheld.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA VNA works by injecting a swept-frequency signal at port 1 and measuring both the reflected power (S11) and transmitted power (S21) with phase-coherent receivers. From S11 you extract impedance, return loss, and VSWR — essential for antenna matching. From S21 you get insertion loss, group delay, and filter response. The NanoVNA-H4 implements this using a Si5351 clock generator for RF synthesis and two AD8302 gain\/phase detectors for magnitude-and-phase measurement — 100,000× cheaper than a Keysight lab VNA at 1% of the measurement capability loss.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFrequency range: 50 kHz–1.5 GHz; 4-inch 480×320 IPS touchscreen display\u003c\/li\u003e\n\u003cli\u003eMeasures: S11, S21, Smith chart, polar, log magnitude, phase, group delay\u003c\/li\u003e\n\u003cli\u003e50 Ω SMA ports; 101-point sweep; USB-C rechargeable 950 mAh battery\u003c\/li\u003e\n\u003cli\u003eIncludes: calibration kit (OSL), two SMA cables, carrying case\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eEvery purchase directly funds independent physics research at the Golden Physics Project.\u003c\/em\u003e\u003c\/p\u003e","brand":"Golden Physics Project","offers":[{"title":"Default Title","offer_id":54144349995300,"sku":"GPP-ELEC-NANOVNAH4","price":159.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1007\/2879\/9524\/files\/Anritsu_MS2035B_portable_vector_network_analyzer.jpg?v=1781220428"},{"product_id":"raspberry-pi-5-4gb-starter-kit","title":"Raspberry Pi 5 4GB Complete Starter Kit with Case, Cooling \u0026 64 GB SD","description":"\u003cp\u003e\u003cstrong\u003eA 64-bit ARM Cortex-A76 quad-core at 2.4 GHz running Linux — the same instruction set architecture powering most of the world's cloud servers, at 5 watts.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Raspberry Pi 5 introduces the RP1 I\/O controller chip — designed entirely in-house by Raspberry Pi Ltd — handling USB 3.0, PCIe 2.0, MIPI camera, and GPIO peripherals independently of the BCM2712 application processor. This architectural separation eliminates the I\/O bandwidth contention that bottlenecked previous models. For physics applications: real-time data acquisition at 3.3 V\/3.3 MHz GPIO sampling, camera-based interferometry (HQ camera module), spectroscopy via USB ADCs, or as a data logger for any instrument with a serial or I²C interface. The RP1 also provides a PIO state machine for custom protocol implementations.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBCM2712 Cortex-A76 × 4 at 2.4 GHz; 4 GB LPDDR4X RAM\u003c\/li\u003e\n\u003cli\u003eUSB 3.0 × 2, USB 2.0 × 2, Gigabit Ethernet, dual MIPI camera\/display ports\u003c\/li\u003e\n\u003cli\u003eKit includes: official case, active cooler fan, 27 W USB-C power supply, 64 GB SD card pre-loaded with Raspberry Pi OS\u003c\/li\u003e\n\u003cli\u003ePCIe 2.0 M.2 HAT support; 40-pin GPIO header (3.3 V, I²C, SPI, UART, PWM)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eEvery purchase directly funds independent physics research at the Golden Physics Project.\u003c\/em\u003e\u003c\/p\u003e","brand":"Golden Physics Project","offers":[{"title":"Default Title","offer_id":54144350028068,"sku":"GPP-ELEC-RPI5KIT","price":209.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1007\/2879\/9524\/files\/raspberry-pi-5.png?v=1780551883"},{"product_id":"arduino-mega-2560-r3-ultimate-starter-kit","title":"Arduino Mega 2560 R3 Ultimate Starter Kit — 230-Piece with Projects Guide","description":"\u003cp\u003e\u003cstrong\u003eThe ATmega2560 runs at 16 MHz with 256 KB of flash — enough to implement a real-time PID controller, a data acquisition front-end, or a full MIDI synthesizer on a $10 microcontroller.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Arduino Mega 2560 uses Microchip's ATmega2560 — an 8-bit AVR RISC architecture executing most instructions in a single clock cycle. Its 54 digital I\/O pins (15 PWM-capable), 16 analogue inputs (10-bit ADC at 15 kSa\/s), and 4 hardware serial ports make it the preferred platform for physics instrumentation: stepper motor control for spectrometer gratings, thermocouple multiplexing, multi-axis IMU fusion, or PID temperature regulation of a heating plate. The 230-piece component kit includes sensors covering the electromagnetic spectrum: ultrasonic (sonar), IR proximity, Hall effect (magnetic), and LDR (optical).\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eATmega2560 16 MHz, 256 KB flash, 8 KB RAM; 54 digital + 16 analogue I\/O\u003c\/li\u003e\n\u003cli\u003e4× hardware UART, I²C, SPI; USB-B programming via CH340G USB-serial\u003c\/li\u003e\n\u003cli\u003eKit: 230 components including LCD, motors, 30 sensors, LEDs, resistors, breadboards\u003c\/li\u003e\n\u003cli\u003eCompatible with Arduino IDE 2.x, PlatformIO; open-source hardware and software\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eEvery purchase directly funds independent physics research at the Golden Physics Project.\u003c\/em\u003e\u003c\/p\u003e","brand":"Golden Physics Project","offers":[{"title":"Default Title","offer_id":54144350060836,"sku":"GPP-ELEC-ARDUINOKIT","price":109.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1007\/2879\/9524\/files\/starterkit_02.unbox_934x700_53b861ed-34fd-4ba5-872e-f48b4f4b28b8.jpg?v=1781220430"},{"product_id":"digital-100mhz-oscilloscope-16ch-logic-analyzer","title":"Digital 100 MHz Oscilloscope with 16-Channel Logic Analyzer — 1 GSa\/s","description":"\u003cp\u003e\u003cstrong\u003eAt 1 Giga-sample per second, this instrument samples faster than the 100 MHz Nyquist limit with 5× headroom — reconstructing waveforms that would alias into noise on anything slower.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eA digital storage oscilloscope converts analogue voltage to digital samples via a flash ADC, stores them in acquisition memory, and renders the waveform on a display. At 100 MHz bandwidth with 1 GSa\/s sampling, the Nyquist theorem guarantees faithful reconstruction of waveforms up to 500 MHz. The 16-channel logic analyzer input operates at 100 MSa\/s with configurable protocol decoding: I²C, SPI, UART, CAN, LIN, I²S — directly correlating digital bus transactions with analogue waveforms in the same time base. Essential for debugging microcontroller firmware and RF modulation waveforms simultaneously.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e2-channel analogue: 100 MHz bandwidth, 1 GSa\/s, 14 Mpts memory depth\u003c\/li\u003e\n\u003cli\u003e16-channel logic analyzer: 100 MSa\/s, 25 MHz max; protocol decoding for I²C\/SPI\/UART\/CAN\u003c\/li\u003e\n\u003cli\u003e7-inch 800×480 capacitive touchscreen; 9 trigger types including serial bus\u003c\/li\u003e\n\u003cli\u003eFFT spectrum analysis, waveform math, USB storage, LAN connectivity\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cem\u003eEvery purchase directly funds independent physics research at the Golden Physics Project.\u003c\/em\u003e\u003c\/p\u003e\u003chr\u003e\u003ch3\u003eExpert Analysis\u003c\/h3\u003e\u003cp\u003eA 100 MHz bandwidth oscilloscope with 1 GSa\/s sample rate satisfies the requirements for general electronics diagnostics, embedded systems development, and RF troubleshooting up to VHF frequencies. The Nyquist criterion means you can accurately reconstruct signals up to 500 MHz — sufficient for I2C, SPI, UART, CAN bus, most audio work, and analog signal chains well into the RF range. The 16-channel logic analyzer integrated in the same chassis is the feature that separates this from a single-function scope: simultaneous analog and digital capture lets you correlate a protocol decode with the analog waveform in real time, which is precisely how professional engineers debug embedded systems where digital control and analog behavior interact.\u003c\/p\u003e\u003cp\u003eMixed-signal oscilloscopes at this bandwidth historically cost several thousand dollars from established instrument manufacturers. The price reduction over the past decade reflects largely semiconductor and ADC advances, not fundamental compromises in measurement capability. The 14 Mpts memory depth — 14 million samples stored per acquisition — is the specification that allows capture of long events at full sample rate, which matters when debugging infrequent glitches or slow communication protocols. The 9 trigger types, including serial bus triggering, allow capture of specific protocol events without continuously searching through raw waveform data.\u003c\/p\u003e\u003cp\u003eIf you are designing or debugging electronic hardware — microcontroller projects, audio amplifiers, power supplies, motor controllers, or RF circuits — an oscilloscope is the single most important instrument in your lab. This one covers the territory where 90% of practical electronics work happens. The touchscreen interface and LAN connectivity mean you can control it remotely and export waveforms for documentation without fiddling with USB drives.\u003c\/p\u003e","brand":"Golden Physics Project","offers":[{"title":"Default Title","offer_id":54144350093604,"sku":"GPP-ELEC-DSO100MHZ","price":229.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1007\/2879\/9524\/files\/960px-Tektronix_Oscilloscope_475A.jpg?v=1781220432"},{"product_id":"usb-uv-vis-spectrometer-200-1000-nm-with-ccd-array-detector","title":"USB UV-Vis Spectrometer 200–1000 nm with CCD Array Detector","description":"\u003cp\u003e\u003cstrong\u003eFrom the ultraviolet Wood's anomaly at 200 nm to the near-infrared water absorption band at 970 nm — 800 nm of optical spectrum captured simultaneously in 5 milliseconds.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eArray spectrometers replace the scanning monochromator with a dispersive element (diffraction grating) and a CCD or CMOS array detector, capturing all wavelengths simultaneously. The grating diffracts incoming light by the equation mλ = d(sin α + sin β), distributing it across 2048 detector pixels — each pixel resolving ~0.4 nm. This enables real-time absorption spectroscopy (Beer-Lambert law: A = εcl), fluorescence emission mapping, and transmission measurements. Applications include plasma emission analysis, UV-LED characterization, mineral identification, solar irradiance measurement, and teaching Beer's law directly.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eWavelength range: 200–1000 nm; 2048-pixel CCD array, 0.5 nm optical resolution\u003c\/li\u003e\n\u003cli\u003e5 ms minimum integration time; SNR \u0026gt;1000:1 (at full well capacity)\u003c\/li\u003e\n\u003cli\u003eSMA-905 fiber optic input; USB 2.0 powered (no external supply needed)\u003c\/li\u003e\n\u003cli\u003eWindows\/Mac\/Linux SDK; Python library; real-time absorbance, transmission, and irradiance modes\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cem\u003eEvery purchase directly funds independent physics research at the Golden Physics Project.\u003c\/em\u003e\u003c\/p\u003e\u003chr\u003e\u003ch3\u003eExpert Analysis\u003c\/h3\u003e\u003cp\u003eA CCD-array spectrometer covering 200–1000nm represents the same fundamental measurement capability used in analytical chemistry, biochemistry, and environmental science laboratories worldwide. Unlike a scanning monochromator that sweeps one wavelength at a time, the array detector captures the full spectrum simultaneously — a complete absorption or emission spectrum in milliseconds. The 200nm UV coverage enables measurement of aromatic compound absorption, protein quantification at 280nm, and nucleic acid concentration at 260nm. The 1000nm near-infrared extension covers chlorophyll absorption, water bands, and NIR chromophores relevant to plant physiology and materials characterization.\u003c\/p\u003e\u003cp\u003eAt this price, sensitivity and stray-light performance are competitive with research-grade instruments that cost five to ten times as much a decade ago — a reflection of advances in array detector technology, not compromises in measurement capability. The SMA-905 fiber optic input accepts standard optical fibers for remote sampling in geometrically constrained situations. Connection to Python via the open-source python-seabreeze library makes this a genuinely programmable research instrument — build automated sampling sequences, integrate into a flow cell, or run continuous environmental monitoring.\u003c\/p\u003e\u003cp\u003eFew instruments at any price offer this range of experimental possibilities. Measure Beer-Lambert absorption coefficients quantitatively, characterize LED and laser emission spectra, analyze flame colors and plasma emission lines, or build a portable field spectrophotometer using this sensor and a Raspberry Pi. This instrument opens quantitative optical spectroscopy to small laboratories, science educators, and citizen scientists who previously had no realistic path to real analytical spectrophotometry.\u003c\/p\u003e","brand":"Golden Physics Project","offers":[{"title":"Default Title","offer_id":54144350126372,"sku":"GPP-ELEC-UVVISSPECT","price":279.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1007\/2879\/9524\/files\/960px-DU640_spectrophotometer.jpg?v=1781220434"},{"product_id":"1080p-mini-wireless-security-camera","title":"1080P Mini Wireless Security Camera","description":"\u003cp\u003eKeep an eye on what matters — this ultra-compact 1080P wireless security camera hides anywhere and streams crystal-clear HD footage to your phone.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFull 1080P HD video with sharp night vision capability\u003c\/li\u003e\n\u003cli\u003eWireless Wi-Fi connection — stream and record from anywhere via app\u003c\/li\u003e\n\u003cli\u003eCompact body fits on shelves, desks, or behind objects without detection\u003c\/li\u003e\n\u003cli\u003eMotion detection alerts sent directly to your smartphone\u003c\/li\u003e\n\u003cli\u003eLoop recording overwrites oldest footage — never run out of storage\u003c\/li\u003e\n\u003cli\u003eWide-angle lens captures more of the room in every frame\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eDiscreet protection, total peace of mind.\u003c\/p\u003e","brand":"Golden Physics Project","offers":[{"title":"Black","offer_id":54384949035300,"sku":"185760063;2026066;1780717056CPsmZ","price":49.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1007\/2879\/9524\/files\/S2bbf4fee627e481b89e6daa118357f9ce.webp?v=1780717060"},{"product_id":"digital-battery-tester-lcd-display","title":"Digital Battery Tester with LCD Display","description":"\u003cp\u003eStop guessing — know exactly which batteries are dead and which still have life. The digital battery tester works on all standard battery sizes in seconds.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eTests AA, AAA, C, D, 9V, and button cell batteries instantly\u003c\/li\u003e\n\u003cli\u003eLCD or bar chart display shows remaining charge at a glance\u003c\/li\u003e\n\u003cli\u003eNo power source required — draws power from the battery being tested\u003c\/li\u003e\n\u003cli\u003eCompact pocket-sized design for home, workshop, or travel use\u003c\/li\u003e\n\u003cli\u003eBT-168 basic model and bar chart models for visual readout preference\u003c\/li\u003e\n\u003cli\u003eReduces waste by accurately identifying batteries that can still be used\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eNever throw out a good battery again.\u003c\/p\u003e","brand":"Golden Physics Project","offers":[{"title":"BT-168","offer_id":54384957292836,"sku":"185760064;2026066;1780717071WxrH1","price":24.99,"currency_code":"CAD","in_stock":true},{"title":"Bar Chart Black","offer_id":54384957325604,"sku":"185760065;2026066;1780717071gQMG7","price":27.99,"currency_code":"CAD","in_stock":true},{"title":"Bar Chart Silver","offer_id":54384957358372,"sku":"185760066;2026066;1780717071qTMmq","price":27.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1007\/2879\/9524\/files\/H7cdc7a3e45da4168aebdcdc438b635f1j.webp?v=1780717074"}],"url":"https:\/\/shop.goldenphysics.org\/collections\/electronics-computing.oembed","provider":"Golden Physics Project","version":"1.0","type":"link"}