Tag: Arduino

Arduino Bluetooth Relay Switch
This Bluetooth Relay Switch enables users to control lights, fans, or other devices using a Bluetooth app on an Android device. The device can be controlled using a simple app. The project consists of an Arduino-compatible microcontroller (ATMEGA328), a 5V relay, a relay driver BJT,...
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Arduino 8 Channels High-Side Switch
The project presented here is a high-side switch (8 channels) with MOSFET output. The Arduino board consists of an Arduino-compatible microcontroller ATMEGA328 and TPD2015FN - 8 Channels MOSFET switch. All 8 inputs of TPD2015FN are TTL compatible. The project is suitable for driving...
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10 Minutes Timer for AC Loads
The project described here is a 10-minute timer using an Arduino microcontroller, capable of driving AC loads up to 30A. The timer's progress is visually represented by 10 LEDs, which light up sequentially, each for 1 minute, totaling 10 minutes. The project is powered by a single...
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I2C DAC Controlled Electronic Load – Battery Performance Tester
The project presented here is an I2C electronic load, intended for testing power supplies, solar panels, batteries, and supercapacitors. The board consists of an I2C interface DAC MCP4725, OPAMP U2 acts as V to I (Voltage to Current), OPAMP U3 measures the load current across the...
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Arduino Compatible OLED Board with 4 Channel 16-Bit ADC
This board consists of Arduino-compatible hardware which includes an OLED display, ADS1115 4-Channel 16Bit ADC, Arduino-compatible Microcontroller ATMEGA328, a connector for Arduino Programming, a connector for 4 Channel Analog input, and a connector for a couple of I/O lines....
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RC Servo Movement Recorder and Player
This is an RC servo controller board that allows users to record RC servo motor movement and playback it back with precision. There is an onboard potentiometer to control the RC servo up to 180 degrees. It allows you to record the movement of one servo, a few seconds in duration....
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RC Radio Controlled Switch with Relay
This RC Relay project enables control of large current devices using a Radio Control (RC) System. This RC switch converts hobby radio control (RC) pulses to control the on/off state of the Relay. On board LED indicates the output. The board is Arduino compatible and the example code...
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LilyGO TTGO T5-4.7 E-Paper Weather Station
The LILYGO T5 4.7 inch E-Paper ESP32 Development Board is an exciting 4.7" e-paper display integrated with an ESP32 WiFi/Bluetooth module. The board's processor is ESP32-WROVER-E with 16MB of FLASH memory and 8MB of PSRAM. The ESP32 module supports Wi-Fi 802.11 b/g/n and Bluetooth...
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