Long-range wireless sensor based on Whisper Node capable of running for over a year on a single CR2032, transmitting data every 60 seconds.
Have you imagined your project to last on regular AA batteries for almost 5 years? This is possible with the ESP32 chip.
Things you should know using ESP8266 WiFi module for its safety and easiness as it's very delicate module to use.
Connect up to 10 buttons using a single interrupt.
An Arduino powered birthday reminder device that will wish you on your birthday for 50 years on a single CR2450 coin cell.
How to build an ultra low power LoRaWAN / The Things Network device using a MaxBotix ultrasonic sensor.
An nRF52832 based, low power wire / contactless badge with Bluetooth Low Energy 5.0 and NFC functionality.
NB-IoT sensors using MQTT protocol Connected to Cloud
This project merges the use of the MySensors 2.4GHz radio mesh framework with the OneM2M cloud platform implementation.
Tiny Wireless IMUz (motion sensor)
Motor driver circuit with some power saving features.
Low power live GPS tracker with Seeed Wio-E5 module with integrated MCU and LoRa module.
Need to debug your code? Got stuck? Stack Overflow doesn't have the answer? Then ask the Dialectic Ball!
My first PCB design project was to create a wearable, soldering practice project in the form of Digilent's loveable Turbo.
A squirrel proof bird feeder runs a real time squirrel detection on solar powered Arduino tinyML kit. It is created by 9 kids aged 5-9.
Motion & Human Presence Sensing with Ultra Low Power Consumption and Bluetooth Low Energy Connectivity
Use FreeRTOS (simple, easy, robust, & optimised for the Arduino IDE) to reduce the power required for battery or low power applications.
This is a low-cost, low-power, customizable data logger for animal research.
Very low power sleep mode of the ATtiny helps make projects on battery last for days (and possibly months).
Build a GPS logger / tracker as a hiking tool, and check GPS when a smartphone is not available.
One the most important feature of portable electronics should be long battery life. We can reduce the current drawn by several ways.
Remote control car based on Seeeduino XIAO, and the new product Seeeduino XIAO Expansion board!!
A digital thermometer built from scratch using Attiny85 and ds18b20 temperature sensor, which can run on a CR2032 over 130 days!
Ever needed to give something to someone but were not able to make the rendezvous? This Sigfox lock box is the solution!