Archives: Projects
Strain Gauge Sensor Amplifier or Single Supply Instrumentation Amplifier
This is a new project, a single supply instrumentation amplifier with onboard bridge configuration, and a 2.5V precision reference voltage chip. The project can be configured for applications such as thermocouple amplifier, bridge amplifier, ECG amplifier, pressure sensors, medical...
Continue ReadingPhotovoltaic Cell Battery Charger / Solar Cell Li-Ion Battery Trickle Charger with MPPC
This is a tiny module that allows users to charge small Li-ion batteries, CR2032 or equivalent, from a low power source such as a small photovoltaic cell. The project consists of the LTC3105 step-up DC-DC converter chip which features Maximum Power Point Control (MPPC) and 250mV...
Continue ReadingDIY PCB Exposure Box using Arduino Nano
Printed circuit boards make the creation of electronic devices in a repeatable and reliable manner a possibility. However, due to factors such as long turnaround time, cost, and other challenges associated with making PCBs through established fab houses, electronics hobbyists and...
Continue ReadingExpansion Shield – Breakout Board for Arduino Nano
If you need to interface many devices and sensors to Arduino Nano, then, this project is for you. This is a Nano expansion I/O shield (breakout board) for the Arduino Nano. The board facilitates the easy connection between Arduino Nano and other devices. Each Arduino (I/O)...
Continue ReadingBrushed DC Motor Speed and Direction Controller Using Joystick
This DC Motor controller provides direction and speed control of a brushed DC motor using a Joystick. This is an Arduino compatible open-source hardware with various applications. It can be used to control scissor lift motor, Linear actuator, Camera slider, camera pan-tilt head,...
Continue ReadingBrushed DC Motor Controller Using Infra-Red Remote
This project enables the user to control a Brushed DC Motor using an Infra-Red Remote Control, thus controlling speed, direction, and also brake of DC Motor is possible. It's an Arduino compatible open-source hardware that helps you develop many DC Motor control applications. The user...
Continue ReadingArduino Compatible 2-digit 7-segment Display Board for Timer/Counter
The project presented here is an open source 2-digit 7 segment Arduino compatible display board. It can used in many applications that require 2-digit display and switches inputs. Possible application of this board is a 2-digit counter, 2-digit countdown timer, token display, score...
Continue Reading8 Channel Infra-Red Remote-Control Arduino Shield Using ULN2803
This is an 8 channel infra-red remote-control Arduino shield that can drive 8 high current loads such as LEDs, solenoids, multiple toy DC Motors, dual unipolar stepper motor, filament lamps, etc. Each channel consists of two parallel NPN transistors with freewheel diodes which are...
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