Low Cost/Voltage 3W Class-D Stereo Audio Amplifier for Portable Gadgets
This low cost low voltage 3W class-D stereo amplifier is based on PAM8403 IC, The PAM8403 is a 3W, class-D audio amplifier. It offers low THD+N, allowing it to achieve high-quality sound reproduction. The new filter-less architecture allows the device to drive the speaker directly,...
Continue ReadingESP32 E-Paper Thermometer with a DS18B20 Sensor
Our friends on educ8s.tv published a new video. Check it out. In this ESP32 project video, we are going to use an E-Paper display and a DS18B20 temperature sensor to build a low-power thermometer. We are going to use the Arduino IDE to program to ESP32 board. ! It is a very easy...
Continue ReadingAdafruit Feather 328P – Arduino Uno on the Feather Family
Adafruit Feather 328P is the latest addition to the ever-expanding feather family boards manufactured by Adafruit. The Adafruit Feather development boards are a set of development boards made by Adafruit that can either be standalone, stackable or both. The feather boards all includes a...
Continue ReadingInfrared repeater using AVR mcu
Madis Kaal @ nomad.ee designed a infrared repeater based on ATMEL AVR + TSOP1738 infrared receiver. He writes: I built this MCU based infrared repeater to allow me to control my A/V equipment that is behind a wall. The system is very simple. Power is supplied to CON1 from a cheap...
Continue ReadingSODAQ ONE board – GPS + LoRa + Solar charger
This is the third generation of our succesful SODAQ ONE board. It is equipped with a solar charge controller and runs on a LiPo or a permanent battery. It has the Ublox Eva 8M GPS module which is not only miniature but with it's assisted GPS feature it can get a fix within seconds....
Continue ReadingInfinite Noise true random number generator
This is an Open hardware USB true random number generator coming soon on crowdsupply.com The Infinite Noise TRNG is an affordable and secure true random number generator (TRNG) based on a modular entropy multiplier technique that continuously loops over previous random output,...
Continue ReadingHoneyWell´s Small, High Performance Pressure Sensor
Honeywell is a technology company working towards connecting the world. They are currently working on connected homes, buildings, plants (such as refineries), warehouse, workers, aircrafts, vehicles, and healthcare while addressing challenges such as energy, safety, security,...
Continue ReadingPulurobot – An Open Source Heavy Load Bearing Application Robot Powered by the Raspberry Pi
If you have seen the starship delivery robots by Starship Technologies, you will know how cool delivery robot can be. Pulurobotics have released a set of low-cost opensource robots that are capable of carrying heavy loads and can be reconfigured to do several tasks. Application...
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