
FastLOGIC
Neumi/fastLOGIC
An affordable Arduino-based board designed for straightforward (industrial) logic control, ideal for building small-scale automation and control solutions.
Boards in 62 GitHub repositories, designed in KiCad, that use the EL817 by Everlight Electronics (-55℃~+110℃ 1 1.2V 100mV@20mA,1mA 18us 18us 5.8mA 50% 50V 5kV 600% 9V Phototransistor DIP-4 Transistor, Photovoltaic Output Optoisolators ROHS). See how each wires it, with its parts, size, README and files; the EL817’s symbol, footprint and pinout are on its own page.

Neumi/fastLOGIC
An affordable Arduino-based board designed for straightforward (industrial) logic control, ideal for building small-scale automation and control solutions.

Millisman/EG8010
Collection of designs for the EG8010 (ASIC for single-phase SPWM control H-bridge)

fellettigiacomo/esp32-WLED-4ch-controller
Open source 4 Channel esp32-powered WLED controller with 4 relays and built in level shifter





AnaviTechnology/anavi-opto-isolator
Opto-isolator board for Arduino, ESP32, Raspberry Pi, etc. Supports 12V to 3.3V, 12V to 5V, 24V to 3.3V, 24V to 5V.

wayri/8-channel-optocoupler-board-kiCAD
8 channel opto-isolator board based on EL817 with on board inverted channel generation


hanebuechenes/SilverZap
Generator für kolloidales SIlber / Gold nach Dr. Beck

jbteja/tj01-ms51-heater-controller
A heater control system featuring deterministic operation, safety auto-cutoff, predefined timer modes, and temperature measurement using a K-type thermocouple.

MoElashmawi/Flyback-AC-DC-Converter
Flyback AC-DC Converter (230V AC to 12V DC) — Full SMPS design using VIPer22A PWM Controller. Schematic, PCB layout & 3D render in KiCad.

RidhaBouyahi/Motor-Control-And-Dashboard-PCB
This Dashboard PCB is developed to get data (position,temperature...) from sensors, control actuators and Dc Motor direction and speed control using PWM .

sabiinsearch/IoT
Projects related to Internet of Things (IoT)


techie66/EngineDataLogger-EngineData
Arduino code for SleepyPi that is attached to main datalogger. Reads engine sensors.

TimiWho/ZV_Basis_Schaltungen
Basis Schaltungen fuer 3v3 --> up und Optokoppler 240AC --> 3v3/5V

Ahasas101/USB-C-Constant-Voltage-Programmable-Power-Supply
100 W USB-C Power Delivery Based Programmable DC Power Supply Overview

Atomicbeast101/smart-doorbell
A KiCad-designed smart doorbell PCB that utilizes the existing doorbell transformer to power the board, the doorbell button wiring to detect actions, and controls the chime.


eurovibes/nascontrol-remote
nascontrol-remote is provided under the terms of the CERN-OHL-S license version 2 as provided in the LICENSES/CERN-OHL-S-2.0 file.

hujiko/rbn-cw-keyer
Small device to automatically key predefined texts in CW
