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72 projects
2.1k
58
44
Ultra low power device without batteries, zero maintenance, everlasting and environment friendly
Project Owner Contributor

Supercaps Solar Panel project

gosGos

1.5k
12
8
Shooting for 10 sec/year accuracy with an ATmega and software-based, temperature-aware frequency correction
Project Owner Contributor

Remarkably Accurate Quartz Clock

gaborGabor

4.7k
724
26
Table clock with e-paper display
Project Owner Contributor

Agora clock

daniel-zilinecDaniel Zilinec

3.7k
33
25
A useful tool that injects small currents into your circuits, below the range of your usual lab PSU
Project Owner Contributor

Precision current generator

yann-guidon-ygdesYann Guidon / YGDES

4.4k
42
43
A fully custom Arduino E-Paper BLE clock in a 3D Printed case using nRF52832 with one year run time one a single 18650
Project Owner Contributor

Triink - low power BLE E-Paper Clock

aaron-christophelAaron Christophel

2
3
Rainbow Lamps - Wireless Synchronised Lamps
Project Owner Contributor

Rainbow Lamps

mukesh-sankhlaMukesh Sankhla

277
3
3
A Module that fits in a typical Wallswitch with Air Quality, EarthQuake Detection and Ultra Low Power Sleep Mode + an Touch EInk Display
Project Owner Contributor

AirQ&EarthQ-LoRa EInk WallSwitch

ulrichUlrich

206
1
2
Make a low-cost, low-power light show responsive to specific musical notes present in ambient sound.
Project Owner Contributor

Musical note-detecting light display

mattMatt

1.6k
1.5k
14
Circuit sculpture: a table-top satellite model that shines and measures light (and is environmentally friendly).
Project Owner Contributor

A little CSK satellite for a bright workstation

andrea-consoleAndrea Console

170
3
3
In this tutorial, I am going to show you guys how to create this Arduino based touchless concrete clock.
Project Owner Contributor

Arduino Based Concrete Clock With Touchless Lamp

hulkHulk

564
4
6
Canique Switch has a 60W latching relay onboard. The board consumes only 35nA when not switching.
Project Owner Contributor

Canique Switch - nano power relay board

caniquecanique

19.5k
727
91
A LISP-programmable laptop with battery life measured in years
Project Owner Contributor

PotatoP

andreas-eriksenAndreas Eriksen

12.7k
412
64
Using an ePaper Display, investigate getting the lowest possible current usage from an STM32L0.
Project Owner Contributor

Coin Cell Powered Temperature/Humidity Display

kevin-kesslerKevin Kessler

1.5k
2
7
The idea for this project is to repurpose an analog wall clock to display the date instead of the time.
Project Owner Contributor

Calendar Clock 50 Years Battery Life 1 AA Alkaline

josh-joyJosh Joy

2.9k
18
19
This automatic chicken coop door will help to keep your chickens safe
Project Owner Contributor

Kokot: a low energy chicken coop door

jp-gleyzesJP Gleyzes

4.9k
36
37
A new take on the LED coaster with wireless power charging and supercapacitor energy storage.
Project Owner Contributor

LED Coaster - Wireless/Batteryless

scott-clandininScott Clandinin

2.4k
7
12
Solar-powered creatures that react to energy with animations on a 7-segment LCD. And they blink at night!
Project Owner Contributor

LCD Solar Creatures

gaborGabor

1.8k
12
9
Schematic diagram, source code, PCB, related component data sheets and suppliers, and optical part information
Project Owner Contributor

laser range finder

35863947183586394718

1.8k
24
22
Generic Node is an easy-to-use multi-sensor LoRaWAN® sensor node powered by STM32WL5x - ULP multi-modulation wireless s microcontroller.
Project Owner Contributor

Generic Node (Sensor Edition)

makertronika-labsMakertronika Labs

17.1k
1.7k
206
Loko is the 12 gram GPS tracker with extreme battery life.
Project Owner Contributor

Loko-the Tiniest GPS tracker with 270 days battery

akio-satoAkio Sato

4
3
VacSafe uses an endothermic reaction and the thermos flask concept to keep vaccines cool during transport and prevent wastage.
Project Owner Contributor

VacSafe

soham-chakrabortySoham Chakraborty

7.5k
140
109
A marker pen sized Geiger counter with up to 12 months battery life from 2xLR44, based on STM8L152K4 microcontroller
Project Owner Contributor

Compact, low-power Geiger counter

bleakytexBleakyTex

118
1
1
Roamer 3 is a capacitor powered autonomous pet robot that likes to hang around humans.
Project Owner Contributor

Roamer 3

mike-rigsbyMike Rigsby

2.6k
31
36
The Timeframe is a beautiful, sleek, battery-powered e-ink display that shows you the day's schedule, images, and anything else.
Project Owner Contributor

The Timeframe

stavrosStavros

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