Projects Projects
Photo Diode Amplifier
This small module is a photodiode amplifier.
Airflow Sensor
This airflow sensor consists of INA326 precision instrument amplifier, double 100uA REF200 current sources, and a REF3025 2.5V reference voltage chip.
Adjustable Current Source – 0 to 1A
This voltage-to-current (V-I) converter delivers a well-regulated current to a load.
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.
2 Channel Ultra-Precise Current Sensor
The project described here is a two-channel ultra-precise, current-sense amplifier that can measure voltage drops across shunt resistors over a wide common-mode range from 2.7 V to 120 V.
0-1A Single-Supply, Low-Side, Current Sensor with Output 0 to 4.9V
This single-supply, low-side, current sensing solution accurately detects load current between 0 and 1A.
Solenoid, Relay, Valve Driver with Current Regulation
The project presented here is a PWM current driver for solenoids, Relays, and valves.
Liquid-Level Monitoring Using a Pressure Sensor – Bar-Graph Display
This project allows users to monitor the liquid level on a Bar-Graph display.
Hi-Efficient 20W Mono Class-D Audio Amplifier
This is a Hi-Efficient 20W mono Class-D audio amplifier, designed to drive speakers as low as 4 ohms in a bridge-tied-load configuration.
8 Channel ESP32 Remote Control
This is an 8-channel remote in a compact board suitable for remote ON/OFF applications using Bluetooth or Wi-Fi protocol.
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.
2 Channel Wi-Fi Relay Module Using ESP8266 NodeMCU
The project described here is an ESP8266 NodeMCU Two Channel Relay Module.