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STM32 Smart Relay
Smart relay module for DIY prototyping.
Features:
* Pads for free MCU pins
* USART( TX:PA9, RX:PA10 ) or I2C( SCL:PA9, SDA:PA10 )
* SPI( SCK:PA5, MISO:PA6, MOSI:PA7 )
* ZC detector for relay latching syncronization
* Buttons debouncer
* XTAL for zero-drift relay timings
Relay stepped attenuator
http://www.vaneijndhoven.net/jos/attenuator-calculator/index.html
resistor: 39k
0.5db steps
8 stages
e24 values
For use in Hammond Case 1455K1201BK
4-Channel Relay Driver Module
In this project, we will make a **4-Channel Relay Driver Module Circuit** for relay based applications. In this circuit, we have designed an isolated PCB for 4 relays. By using this **Relay Board**, we can operate 4 AC appliances at a time. We have put a three pin screw terminal blocks (NC, Nuteral, NO) for connecting appliances. Below are the circuit diagram and PCB layout designs of the relay dr...
STM32 230V TRIAC Soft Starter
Soft starter for Angle grinder, Miter saw and other funny jumping during power on universal motor equipment.
Also it saves plastic gears applying less force during slow starting.
TRIAC used to soft start motor from 30% to 100% power, then relay used to feed full mains sine wave to motor. Also it supports soft stop with start/stop buttons.
Do not apply load to motor before relay latching to pre...
KY-019 5V relay module
The 5V Relay Module KY-019 is perfectly made for Arduino application.
It has three pins, the VCC, GND and Signal. It can act as switch if the circuit and the load circuit have different supply voltage.
It is commonly use if the load circuit is AC. It is a switch used to connect isolated connection from the circuit using a circuit signal. It has green LED that turns on every time the coil is energi...
Реле Регулятор \\ Relay Regulator
Relay Regulator for 4T Scooter motoroller
Garbage Disposal Relay
Quick-and-dirty little circuit to switch a garbage disposal from a low-voltage momentary button. PCB fits into junction box. For supporting files, refer to https://github.com/gutschke/garbagedisposal
I couldn't find all the parts that I wanted from LCSC. For now, I linked to DigiKey parts. If you have suggestions for suitable substitute parts from LCSC, please let me know.
I made reasonable acco...
Relay Module
DIN enclosure for this board : https://fr.aliexpress.com/item/1-piece-158-88-59mm-abs-plastic-enclosure-for-electronics-project-din-rail-box-szomk-plastic/32759749984.html?spm=a2g0w.search0104.3.188.3dd85ca6RZkaVA&ws_ab_test=searchweb0_0,searchweb201602_4_10152_10065_10151_10344_10068_5723115_5722815_10342_10343_10340_5722915_10548_10341_5722615_10696_10084_10083_10618_10305_10304_10307_10820_1030...
ESP2688 Wifi-Relay (smart home)
ESP-based Wifi-Relay,
with NO and NC contact.
project is not (yet) tested,
firmware for the ESP wil be linked soon
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