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klaus.lehnert

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This user joined on 06/27/2014.

Projects I Like & Follow

Collecting snippets that can quickly be copied to assemble a program for different sensors etc. Mostly about ESP8266/32 with Arduino IDE.

ESP cookbook

The 2017 Hackaday Prize

KiCAD component and footprint libary for ESP32 ,ESP32-WROOM, and ESP3212 modules

ESP32 KiCAD Library

The 2017 Hackaday Prize

HeartyPatch is a fully open-source, IoT connected, BLE enabled heart-rate variability & ECG patch with great accuracy

HeartyPatch: A single-lead ECG-HR patch with ESP32

Ashwin K Whitchurch

The 2018 Hackaday Prize

A 75 watt MPPT Solar Charger with tons of features. Efficiency > 97%, USB interface, data logging, 2 USB charging ports and much more...

High Efficiency MPPT Solar Charger

HOW TO INSTALL A DNA READER AT HOME

DIY DNA SEQUENCER

Alexander Sokolov

Need an extra USB port but a regular hub doesn't fit? Try my Nanohub!

Nanohub - tiny USB 2.0 and 3.0 hubs!

The 2017 Hackaday Prize

Next Gen LiFePO4 battery / UPS / power manager for Raspberry Pi, ideal for headless and IoT use

LiFePO4wered/Pi+

Patrick Van Oosterwijck

The 2016 Hackaday Prize

M5Stack is a robust, open source development kit with stackable modules, user-friendly IDE, enabling rapid and high-quality prototyping

M5Stack - An Open Source Enclosed Modular Toolkit

Hackaday Prize 2019

A multimeter, based on the STM32F373, which can measure voltage, current and power (both bipolar and DC or true RMS with multiple ranges).

STM32 Open Source Multimeter

The 2017 Hackaday Prize

BeagleLogic, now as a turnkey and standalone 16-channel Logic Analyzer

BeagleLogic Standalone

Kumar, Abhishek

Dosing fertilizer for my tomatoes always went wrong. This aims to be an engineering fix for that.

Fertilize Home Grow the engineering way

The 2017 Hackaday Prize

An ultra strong and fast servo that is reasonably priced. The goal is to generate 60ft*lbs (11 520oz*in) with 60 rpm no load rpm speed.

Ultra Servo

ESP32 as Access Point and WEB server controlling WS2812 8x8 LED Matrix

ESP32 and WS2812 8x8 LED matrix

esp32-wifi-manager is an esp32 program that enables easy management of wifi networks through a web application.

esp32-wifi-manager

Arduino compatible and intended for testing DC power supplies, solar panels and batteries

Jasper's Electronic Load R2

Use this RGB Leds that are in your garage to build your own Lights. As simple as Leds, Ω and soldiering (To be safe max. 30 mA per GPIO)

ESP32-MeshKit custom RGB LED Lamps

2021 Hackaday Prize

A home built liquid handling workstation robot that makes images out of dyed liquid

Liquid Lite Brite

This project goals to please our dear citizens with the greatest advancements in displaying technology.

Split-Flap Display

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Patrick Van Oosterwijck wrote 05/29/2017 at 18:32

Hi, thanks for following my #LiFePO4wered/Pi+ project!

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Eric Hertz wrote 07/23/2016 at 21:14

Howdy, yo! Thanks for the follow!

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frankstripod wrote 04/11/2015 at 16:05

Thank yo for following my project!

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