A battery-operated, ultra low power alarm that sends a LoRa radio transmission
Battery-powered, ESP8266-based Alarm Cube warns when there is no water pressure in the main water pipe or electricity!
In this tutorial we will use a step UP (0,9-5V to 5V) Voltage Booster to Power Arduino UNO with a 1.5V Battery.
DIY one-wheel, self-balancing, electric, open-source hoverboard/skateboard. Uses an Arduino, accelerometer, and brushless hub motor.
This tutorial demonstrates how to make an ultra low power sensor data logger running on 2 AA batteries for more than a year.
Autonomous Spider Robot
Battery tester with Arduino, using a thermistor to check temperature of power resistance and battery. Schema, prototype and breadboard.
In this project, we are going to make a simple lipo battery charger using TP4056 module with battery protection.
Convert smbs to lab bench power supply. SMPS or switched mode power supply is an electronics device that is used to convert AC to DC.
This project will allow you to display a battery level and current date and time on the OLED expansion.
BeeWatched will help you to check humidity and temperature of your beehive to ensure that it is in good health.
I will introduce the easiest way on how to mount SMD components on your PCBs.
Fast battery charging
Compact RGB LED Cube with 384 pixels in an 8cm³ design. Powered by ATmega328, WS2812B LEDs. Full tutorial from PCB to assembly.
Build a small wifi enabled soil moisture sensor and monitor your plants from everywhere with the Sensate Monitor App (for Android and iOS).
There's always room for Pi in your Amateur Radio Go Kit. Now you can top it off with the Pi-Go and plug right into your station power.
Build a circuit that will quickly test AA, AAA, 9 volt and coin cell batteries.
This is an enclosure for the Omega that includes space for a regulator circuit and batteries.
Make your portable power supply with LiPos you have lying around.
Learn how to power the micro:bit from the battery holder of Snap Circuits.
Custom designed ESP Based PCB Board for Battery-Powered IoT Applications with ESP8266, Battery powered, integration with Home Assistant
Many use battery charging stations for electricity. Would be helpful to consumers and providers to quickly+affordably gauge battery health.
Use the M5StickC to make a step counter. You don't need anything else but the M5StickC.
Made a studio light that has warm, cool, and RGB LEDs all driven through a custom PICO driver circuit.
