I2C DAC Controlled Electronic Load – Battery Performance Tester

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

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

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

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

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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Interactive LED Coffee Table – Arduino Compatible

Interactive LED Coffee Table – Arduino Compatible

The project demonstrated here is an IR proximity sensor-based LED light, mainly designed for interactive coffee tables, but also can be used as single interactive light. The table can be made with multiple of these PCBs. Multiple tiles can be used as shown in the image below, each...

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Mini Robot Controller Using Infra-Red Remote for Small and Medium Size Robot

Mini Robot Controller Using Infra-Red Remote for Small and Medium Size Robot

The Robot Controller is a very compact solution for controlling small and medium size robots using an Infrared remote. The project is fully Arduino compatible and consists of an ATMEGA328 microcontroller, 2 x BD6211 motor drivers, TSOP1838 IR sensor. BD6211 H-bridge is a full bridge...

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Arduino 4-Digit 0.5″ Common Cathode 7 Segment Display Module

Arduino 4-Digit 0.5″ Common Cathode 7 Segment Display Module

This project will help you to easily develop an Arduino compatible project that requires 4 x -7Segment 0.5" displays. The project consists of an Atmega328 microcontroller, 4 x BC847 NPN transistors to drive the common cathode displays. All displays are used in multiplexing...

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