Tinkering

Tagged

attempt to repair or improve something in a casual or desultory way, often to no useful effect

Weather Station : Indoor Temperature

Having a weather station at home is very useful. The most important information is the indoor temperature. Required partsWeMos D1 mini (ESP8266)DS18B20: digital thermometerMAX7221: LED display driver7 segments LED: 4 digits common cathode4.7 kΩ resistor: 1-Wire pull-up resistor10 kΩ resistor: LED brightnessMicro USB power supplyThe WeMos D1 mini

Tinkering

WeMos D1 mini : Presentation

The WeMos D1 mini was developed for the tinkerers. It's based on the ESP8266 chip. There are many cool DIY projects that you can achieve with this board. It's very similar to the Arduino, has a built-in WiFi, and much cheaper (around $3 on eBay). I currently have 2 of

Tinkering

PHILIPS AZ7481/00 portable CD player

This is the second device that I bought last week (see the KOSS KS5302). This device is presenting no physical damage, and the PCB looks fine too. But, unlike the KOSS, it's partially working: the CD motor is rotating, the LCD screen has some faint scrambled data. External case specificationESA25:

Tinkering

KOSS KS5302 portable CD player

Last week, I bought 2 audio CD players from the flea market for 10 TND ($3.50). Here I'm presenting the first device : KOSS KS5302. Currently it's not working, but I'm trying to fix it. I noticed some alkaline battery leakage on the connector and also on the PCB (see

Tech

How did I get my SteelSeries 6GV2 mechanical keyboard

Few months ago, on a beautiful Sunday morning, I visited a local flea market. I was not looking for something in particular, but what I found that day was beyond my expectation: a SteelSeries 6GV2 mechanical keyboard. The vendor was an old man, and the items he was selling were