Search Results for : arduino
Wemos’ LOLIN C3 Mini Powered by a 32-bit RISC-V processor, priced at $4.10
Wemos has unveiled a new development board for the LOLIN family, LOLIN C3 Mini is powered by an Espressif ESP32-C3FH4 Wi-Fi and BLE RISC-V microcontroller. The board follows the company’s earlier versions of WEMOS D1 Mini (ESP8266) and LOLIN S2 Mini (ESP32-S2) form factor and is...
Continue ReadingCurrent Loop Sensor Using GreenPAK™
Introduction Author: Aazim Hassan cover photo: depositphotos.com Current loop output sensors are used to transmit data over long distances without dropping the sensor output value. Signal conditioning is performed at the receiving end to analyze and measure the output value....
Continue ReadingHigh Current Half-Bridge with Over Current & Voltage Feedback for Step Down DC-DC Converter
This project enables the user to create a high current DC-DC converter. The project consists of a high current inductor, high current low voltage 2 x MOSFETs, half-bridge driver LT1158 chip, voltage feedback using onboard R9 and R10 resistor dividers, shunt resistor for overcurrent...
Continue Reading1200V High-Current Half-Bridge using FAN73912
The project presented here is designed for high-voltage and high-speed driving for MOSFETS and IGBTs that operate up to +1200V. The project consists of a FAN73912 gate driver chip and 2 x IGBTs, DC bus capacitors, current sense resistor for current feedback etc. The advanced input...
Continue ReadingHigh Current Half-Bridge with Over Current & Voltage Feedback for Step Down DC-DC Converter
This project enables the user to create a high current DC-DC converter. The project consists of a high current inductor, high current low voltage 2 x MOSFETs, half-bridge driver LT1158 chip, voltage feedback using onboard R9 and R10 resistor dividers, shunt resistor for overcurrent...
Continue Reading3-Phase Brushless DC Sinusoidal Sensorless Fan Motor Driver
Driving a low current 3 phase brushless Sensorless DC motor is very easy with this project. This Full-wave BLDC driver project is capable to drive low current brushless fan motor without a hall sensor. 180° sinusoidal drive, high torque output, and silent drive are a few key features...
Continue ReadingFeather-sized Challenger RP2040 LoRa with improved wireless connectivity
Released a few months earlier, the Challenger RP2040 Wi-Fi board comes in an Adafruit Feather form factor integrated with a Raspberry Pi RP2040 dual-core Arm Cortex-M0+ microcontroller with 8MB of flash and a Wi-Fi radio. "This is a spin-off from our Challenger RP2040 Wi-Fi board, but...
Continue ReadingA Retro-style Handheld PC uses Raspberry Pi Zero 2 W
Penk Chen designed a pocket-sized computer with a retro appeal, built from either off-the-shelf parts or 3D-printed structures. Inspired by the retro-style, powered by the Raspberry Pi Zero 2 W, Penkesu is a portable computer with a 7.9-inch widescreen display and a 48-key ortholinear...
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