4-20 mA current output for Arduino Uno
https://www.electronics-lab.com/4-20-ma-current-output-arduino-uno/
Giovanni Carrera writes: The purpose of this project is to provide a 4-20 mA output from a PWM signal generated by a microcontroller ATmega328 and numerous other chips, such as the PIC. One of the more interesting applications of this circuit would be to replace or to realize a smart sensor with Arduino.” 4-20 mA […]
Arduino Based Sun Tracker Turret
https://www.electronics-lab.com/arduino-based-sun-tracker-turret/
Sun tracker systems are widely used in solar panel setups to get maximum performance. You may want to use one in your personal solar panel setup. Now you can make your own with an Arduino, following the project that’s designed by RobotGeek Team and Wade Filewich. Parts You’ll Need: RobotGeek Desktop Roboturret x1 RobotGeek Rotation Knob x2 […]
Build Your Own Cheap Antenna Analyser
https://www.electronics-lab.com/build-cheap-antenna-analyser/
Ham radio is the use of radio frequency spectrum for purposes of non-commercial exchange of messages, wireless experimentation, self-training, etc. Developing a ham radio project may requires using an antenna analyser, a device that is used for measuring input frequency and impedance. There are many types of antenna analysers such as Anritsu VNA Master, RigExpert, […]
Tau : The Tiny 32-bit Arduino Zero Compatible!
https://www.electronics-lab.com/tau-32-bit-arduino-zero-compatible/
“Tau” is a new board in the world of embedded systems, designed by Rabid Prototypes. It is powered by a 32-bit ARM core, but Tau’s main strength is full compatibility with the well-known Arduino Zero, yet in a very tiny package. What is the Tau? The Tau is an extremely affordable, open source, miniaturized version of […]
DIY Arduino ProMini Data Logger
https://www.electronics-lab.com/diy-arduino-promini-data-logger/
Ed Mallon has details on his DIY ProMini data logger: Typical pro-mini loggers built with this design sleep at 0.25mA, before extra sensors are added. At that current draw, the logger should deliver approximately six months of operation on three brand new AA batteries with a 15min duty cycle; depending on sensor load. DIY Arduino […]
Using OV7670 Camera Sensor With Arduino
https://www.electronics-lab.com/using-ov7670-camera-sensor-arduino/
Developing a hardware project became much easier thanks to the growing number of the various sensors and actuators modules, which give you the ability to shift your ideas into a wider range of applications. This tutorial presents the steps of how to use OV7670 Camera Sensor Module STM32 with Arduino. To follow the tutorial, you […]
Recover Bricked ATtiny Using Arduino as high voltage programmer
https://www.electronics-lab.com/recover-bricked-attiny-using-arduino-as-high-voltage-programmer/
Hi! Today I’ll explain you how to recover your bricked ATtiny microcontroller using your Arduino board. ATtinys are very popular due to their small form factor yet very powerful. While working with them you may accidentally brick the ATtiny. As arduino is extremely popular and really easy to use, I guess you have one or […]
SoundDuino 3, The Latest Sound Shield for Arduino
https://www.electronics-lab.com/soundduino-3/
The electronics engineer and microcontroller programmer expert, Masih Vahida has launched his latest SoundDuino Arduino shield product: SoundDuino 3! SoundDuino is a WAV Sound Player & Recorder Shield for Arduino. This sound shield let you record and play sound files to or from a Micro-SD memory card with all libraries and samples for the Arduino […]
Dual set point programmable thermostat
https://www.electronics-lab.com/dual-setpoint-thermostat/
Programmable thermostats are cool things. They let you set the room temperature according to your schedule and will automatically make those adjustments for you. If you use them the way they’re intended to, they could be a great way to save on home energy costs. They work perfectly for people with fixed daily schedules. You can set […]
FPGA-Based Arduino Shield
https://www.electronics-lab.com/fpga-based-arduino-shield/
Inspired by an interest in spreading the concepts of FPGA, and because its ability to overcome most of other platforms limitations such as IO, memory, and peripherals, technolomaniac had worked on developing the first Arduino FPGA shield. A Field-Programmable Gate Array (FPGA) is an integrated circuit designed to be configured by a customer or a […]