Isolated RS-485 Transceiver with Level 4 EMC and Full ±42 V Protection

Isolated RS-485 Transceiver with Level 4 EMC and Full ±42 V Protection

The project presented here is an isolated RS-485 transceiver that features up to ±42 V of ac/dc peak bus overvoltage fault protection on the RS-485 bus pins. The project is based on the ADM2795E chip. The device integrates Analog Devices, Inc., iCoupler® technology to combine a...

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Crowbar Circuit Using TRIAC and TL431 Precision Programmable Reference

Crowbar Circuit Using TRIAC and TL431 Precision Programmable Reference

This Crowbar project can be used for preventing an overvoltage or surge condition of a power supply unit from damaging the circuit connected to the power supply. It operates by putting a short circuit and fuse blow across the voltage output, like dropping a crowbar across the output...

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24V Boost Converter from 4.5V to 20V Input

24V Boost Converter from 4.5V to 20V Input

The project presented here is a boost converter with 24V output from 4.5V to 20V DC Input. The project is built using an LT8357 chip and configured as a boost converter. Under voltage lockout, and soft-start are a few key features of the project. LED D1 indicates the output, and screw...

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Stepdown DC-DC Converter with Current Limit

Stepdown DC-DC Converter with Current Limit

The step-down DC-DC Converter project presented here provides 3.3V @ 1A output from an input range of 8V to 36V DC. The adjustable current limit is an important feature of the project, which prevents the device from accidental output short circuits avoiding excessive load damage. The...

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Step Up DC-DC Converter – 24V/10mA Output from 12V DC Input – Compatible to TO220 LDO

Step Up DC-DC Converter – 24V/10mA Output from 12V DC Input – Compatible to TO220 LDO

The project demonstrated here is a small-size solution, high-efficiency, low-cost, and low-EMI step-up DC/DC module for LDO regulator replacement. This small size module helps save on solution size and cost while also eliminating the need for a heatsink. The module takes up the same...

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2 Channel Smart Dual Coil Latching Relay Board – 2 Channel Bistable Relay Module

2 Channel Smart Dual Coil Latching Relay Board – 2 Channel Bistable Relay Module

This is a Smart Dual Coil Latching Relay that can control the ON/OFF power of a device by applying a short voltage pulse to Input 1 and Input 2. This project is helpful in low-power applications since the coil is not powered all the time, it only requires a short voltage pulse. Relay...

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Introducing XIAO ESP32C3 – A low power thumb-sized MCU with Wi-Fi, BLE and much more
IoT

Introducing XIAO ESP32C3 – A low power thumb-sized MCU with Wi-Fi, BLE and much more

Seeed Studio XIAO series boards are smaller and fit into the thumb! Such a tiny structure helps in product making and innovating products that demand the overall product size to be small. The XIAO ESP32C3 from the Seeed Studio supports Wi-Fi and BLE wireless connections. It is based on...

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Meet Agon Light — A Microcontroller and a Microcomputer in One
Mcu

Meet Agon Light — A Microcontroller and a Microcomputer in One

Agon Light is a compact low-cost board that is both a microcomputer and an instant-on, BASIC-programmed microcontroller. The fully open-hardware open-source board sits between being a microcontroller development board like an Arduino and a conventional single-board computer like a...

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