pcb rendering
Here is a rendering of my newest little board for the Raspberry Pi Camera: a 50x50mm pcb to add IR light for the PI Camera. More posts about this project will follow soon.

Sneak Peak: IR PI Shield


PicoScope - Software
Introduction A few weeks ago I have found a link the BitScope website. BitScope is a manufacturer of handy low cost USB scopes. At their website everything looked nice and easy to use, so I ordered one of their tiny USB scopes. After the first test things looked a little […]

Entry-Level USB Scopes: BitScope vs. PicoScope 2204A


enclosure design
Introduction A few years ago I received a nice little LED lamp as a bonus in an online order. The lamp had one issue, the circuit was optimized for costs not for lifetime of the LEDs. Initial Ciruit After around of 10 hours of accumulated operation, the LEDs started to […]

How to fix a low cost LED lamp



stm32f7discovery
This week I attended an Udemy course by ST Micro about the STM32F7 Discovery Board. It was a great, interactive experience since ST also send me the STM32F7 Discovery Board to try all the hands-on labs for myself. Udemy course site   This MOOC course was the first of its […]

Udemy course: STM32F7 Discovery Board


diy_green house_2015_upgrade_3_final_sml
Last year I built a green house for the tomatoes on my raised bed in my garden (original post: http://tinkr.de/blog/garden-tinker-project-greenhouse-for-a-raised-bed/. It basically consists of a wooden frame and air bubble film. As it turns out, after one year in service, the air bubble film is not UV resistant and it […]

Upgrading my raised bed green house


flykly_wheel_sml
Look at this video, where they tell you how easy it is to turn your bike, every bike into an e-bike within minutes. How To: Installing The Smart Wheel FlyKly On Bike With Gears from FlyKly on Vimeo. Ha, that was easy, right? After receiving the Flykly wheel, only with […]

Another Kickstarter Fail: the Flykly E-bike Wheel Odyssey



support_fail
Recently I had a discussion about the support experience with the EDA tool supplier of my company. They failed to answer our support cases within 2 business days in 50% of the cases in 2015. I think this fact is even worse considering, that they charged us 15000€ for keeping […]

Support fails in my professional life as a electronic hardware ...


power over time, during partial solar eclipse
Last Friday (20.04.15) we experienced a partial eclipse of the sun in Germany. There were some headlines in online magazines saying, that there might be some issues with the electricity supply since the eclipse will impact many solar power plants. And in Germany there are quite many of them.  According […]

The impact of a partial eclipse of the sun to ...




Exosite IOT website
Headlines with IOT or the Internet of Things can be found everywhere. I was curious too. So I ordered TIs CC3200 LaunchPad – an interesting IOT platform. TI partnered with several service providers to help you to bring your device online. Namely: 2lemetry, Arrayent, Exosite, IBM and Xively. After a […]

my first IOT project with TIs CC3200 LaunchPad


raspberry_pi_2_sml
Today I received the brand new Raspberry Pi 2. Soon I will check out, how the extra performance can enhance my projects.

Raspberry Pi 2 just came in


hand_warmer_sml
Slowly it is getting cold outside. And like lots of other people my hands can get quite cold. A hand warmer is a neat way to warm your cold hands. In our little experiment today we would like to answer the following questions: -How does a handwarmer look like through […]

Flir IR cam: hand warmer



kickstarter_statistics
After 3 years, it was time to start a new Google Spreadsheet and fill it with some information from my Kickstarter history. At first I could see, that I spend a heck lot of money – in sum 2822€ (holly molly) for 42 projects. 40% of that money just went […]

Statistics: my Kickstarter pledges


renault_twizy_sml
Oberhof is a little german town in the middle of the Thuringian Forrest. During our stay we had the chance to try a Renault Twizy for one day. The Twizy is a tiny car and is fully electric powered. Instead of refueling it at a gas station, you refuel it […]

Riding through the Thuringian Forrest with the Renault Twizy


diy_green house_04_sml 1
This spring we builded a L-shaped raised bed out of gabions in our garden. On the raised bed I planted some tomatoes. Tomatoes are not happy with direct rain. So I had to build a shelter for the tomatoe plants. I created a greenhouse out of some air bubble film, […]

Garden tinker project: Greenhouse for a raised bed