elektroda

Engineers from all over the world tackle problems together on Elektroda.

[elektroda @elektroda_com]

Explore the internals of the DI-304 ISDN/DSL router from the early 2000s, featuring a 4-port Fast Ethernet switch, dual 64 kbps ISDN channels, and classic through-hole power circuitry. https://t.co/K4wAKZsKdg

[elektroda @elektroda_com]

Explore the Kapsch OBU-4041 on-board unit used in electronic toll collection systems, including axle selection, gantry communication, beep signals, pre-pay/post-pay modes, and internal hardware components. https://t.co/7QP9N0Y1Hy

[elektroda @elektroda_com]

Review of the S10 GamePad portable console with 520 retro games, TFT 320x240 display, microUSB charging, RCA TV output, and BL-5C battery. Inside look, build quality, menu, and gameplay test. https://t.co/mnQqWFxvbM

[elektroda @elektroda_com]

Learn how an electromagnetic flip-dot display works, from coil-driven bistable flaps and row-column addressing to low-power latching behavior, diode-controlled polarity, and the classic railway-station mechanical rattle. https://t.co/3JuojsOMiL

[elektroda @elektroda_com]

GigaDevice GD32VW553 Wi-Fi 6 and BLE 5.2 MCU specs, 160 MHz RISC-V core, flash options, GPIO, ADC, and timer features. https://t.co/jYPzyrn9fC

[elektroda @elektroda_com]

Zigbee 3.0 light switch SR-ZS with mechanical push buttons, 10A load support, no-neutral variant, and Home Assistant pairing. See TS0012 detection, backlight control, and automation-ready event settings. https://t.co/1IAvfIVKB9

[elektroda @elektroda_com]

Review of the 8-inch Pisichen DB124 touchscreen monitor for Raspberry Pi and Home Assistant 800x480 IPS panel, HDMI/USB-C input, 5-point touch, dual speakers, and USB-C power consumption tests. https://t.co/2O3dkSmRKI

[elektroda @elektroda_com]

Explore the origins of silver-plated and gold-plated audio cable myths, the real impact of resistivity and skin effect, and why these coatings mattered in high-frequency military radio circuits—not audio wiring. https://t.co/wkWyqPO8sX

[elektroda @elektroda_com]

Explore the ESP32-S3 RLCD 4.2 board with 400x300 display, PSRAM, ES8311 audio codec, dual I2S microphones, Li-ion charging, and 18650 support. Learn about an internet radio project and GUI development.## https://t.co/CAlRLleC8e

[elektroda @elektroda_com]

Explore why germanium transistors remain popular in audio amplifiers, despite higher cost and thermal instability. Learn how their low forward voltage, soft clipping, and tonal character compare with silicon transistors. https://t.co/MK6HaqI06r

[elektroda @elektroda_com]

DIY micro tower desktop radio project featuring an ESP32S3-based radio module, 2.8-inch IPS display, MPR121 capacitive touch, TTP223 controls, and compact custom enclosure design. https://t.co/VsyencffS2

[elektroda @elektroda_com]

Industrial ESP32-S3-RS485-CAN module overview 16 MB Flash, 8 MB RAM, isolated RS485/CAN buses, Wi‑Fi/Bluetooth, DIN rail mounting, 36 V DC input, RTC, and PlatformIO setup for beginners. https://t.co/FUpACtcoxH

[elektroda @elektroda_com]

External IP55 Wi‑Fi surface-mounted socket review with ESP8266 inside, showing how to replace Tuya cloud firmware with Tasmota for local control and Home Assistant integration on Sanico TM-WP-04 / SE2111TM-1. https://t.co/6WVoOyNJGI

[elektroda @elektroda_com]

Explore the interior of a three-level touch dimmer module for bedside lamps, built around the TT6061 chip and a compact triac stage for incandescent bulbs and dimmable LEDs. https://t.co/2gRXXxNFCu

[elektroda @elektroda_com]

Comparative review of three 10 Ah powerbanks for short trips, testing JR-L005, JR-PBF17 and JR-PBF19 for charging power, connectors, built-in cables, weight, price and real capacity versus manufacturer claims. https://t.co/axv8zuNmKG

[elektroda @elektroda_com]

Review of the Yato YT-82490 USB-C soldering iron a 65 W T12-compatible tool with QC/PD voltage negotiation, OLED display, autohibernation, calibration, and test results with lead and lead-free solder. https://t.co/BN1Wvn5WOn

[elektroda @elektroda_com]

Explore the Bosch IVS SLIM telemetry module for car sharing fleets, featuring GPS, LTE, IMU sensing, smoke detection, and driver behavior monitoring. Learn how this self-contained windshield-mounted device works. https://t.co/h8xZ77VjL4

[elektroda @elektroda_com]

Retro electromechanical time delay relay by E. Dold & Söhne KG, the Minitimer, delays receiver switching on/off from 0.5 to 10 seconds. Explore its transparent casing, terminals, and mechanical clockwork principle. https://t.co/QmkpVYAHYM

[elektroda @elektroda_com]

Explore the internals of the Cyfrowy Polsat LT-6408n router, an Edimax-made LTE/HSPA+ USB modem-sharing device, with RTL8196C, 32 MB RAM, 8 MB flash, UART, EJTAG, and bootloader hardware analysis. https://t.co/qaJ1uKameu

[elektroda @elektroda_com]

Learn how to build a PIC16LF1659 USB password manager that switches between HID keyboard input and mass storage emulation, storing a plain-text password in EERAM and indicating mode by LED blink speed. https://t.co/2pfgmb6TUj