Mini Power Monitor Shield for OLEDUINO v2 using INA219
https://www.electronics-lab.com/project/mini-power-monitor-shield-for-oleduino-v2-using-ina219/
INA219 Monitor Shield: Compact OLEDUINO-v2 add-on. Measures load current, bus voltage, and power via screw terminals.
I2C Programmable PWMs to Control a DC Motor and LED
https://www.electronics-lab.com/project/i2c-programmable-pwms-to-control-a-dc-motor-and-led/
This project features an I²C-controlled DS1050 PWM generator paired with a 17A MOSFET to drive LEDs and resistive loads, with the flexibility to handle high-current or inductive loads provided proper heat management and flyback protection are utilized.
Digitally Controlled Audio Processor using TDA7440
https://www.electronics-lab.com/project/digitally-controlled-audio-processor-using-tda7440/
TDA7440 Audio: I2C-based Hi-Fi volume, tone, and balance control with selectable input gain.
Precision Digital Current and Power Monitor using INA260
https://www.electronics-lab.com/project/precision-digital-current-and-power-monitor-using-ina260/
This module is a digital-output monitor (INA260) that measures current, power, and voltage via an I2C/SMBus interface. It includes a precision shunt resistor for high-accuracy, bidirectional measurement across a common-mode voltage range of 0V to 36V.
I2C Real-Time Clock module with DS3231M
https://www.electronics-lab.com/project/i2c-real-time-clock-module-with-ds3231m/
This project uses the DS3231M I2C real-time clock (RTC) module for extremely accurate timekeeping. It features a MEMS resonator for long-term accuracy, a 3V backup battery, and tracks full calendar data (including leap years). It also includes two alarms, a 1Hz output, and a power-monitoring circuit that provides a reset output.
12-Bit – 4-Channel SPI V-OUT DAC
https://www.electronics-lab.com/project/12-bit-4-channel-spi-v-out-dac/
Digital-to-analog converters (DACs) provide accurate output voltages for actuation and control in many electronic applications such as industrial, medical, and RF systems. The MAX5715 is a highly accurate, four-channel, 12-bit voltage output DAC. Development with DACs involves expertise in analog systems, power supplies, digital interfaces, and firmware. Now, the MAX5715 module is introduced to accelerate […]
I2C DAC Controlled Electronic Load – Battery Performance Tester
https://www.electronics-lab.com/project/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 shunt resistor and provides 0 to 4.9V Voltage with […]
16-Bit I/O Expander with Serial Interface (SPI or I2C)
https://www.electronics-lab.com/project/16-bit-i-o-expander-with-serial-interface-spi-or-i2c/
This project provides 16-bit, general-purpose parallel I/O expansion for I2C or SPI bus applications. The MCP23017 chip supports the I2C interface and the MCP23S17 chip is used for the SPI interface. The board can be populated with either SPI or I2C chip. Follow the connection diagrams for interface details. Arduino Library for MCP23017 I2C Chip […]
16 Channel RC Servo Driver with I2C Interface
https://www.electronics-lab.com/project/16-channel-rc-servo-driver-with-i2c-interface/
This is a 16-channel servo driver that can drive 16 x RC servos over I2C interface. The project is built using PCA9685 chip, a 16-channel PWM generator that can drive 16-channel servos simultaneously. The board can be connected to Arduino or another microcontroller. Driving robots, and animatronics puppets is easy with this board. The board […]
6-Channel Capacitive Touch Sensor Module
https://www.electronics-lab.com/project/6-channel-capacitive-touch-sensor-module/
The module described here is a 6-channel capacitive touch sensor. The project is based on CAP1206 IC which contains six (6) individual capacitive touch sensor inputs with programmable sensitivity for use in touch sensor applications. Each sensor input is calibrated to compensate for system parasitic capacitance and automatically recalibrated to compensate for gradual environmental changes. […]