Lightweight DTLS reverse proxy server based on tinydtls and libev.
https://github.com/julznc/dtlsproxy
Wednesday, September 13, 2017
Saturday, May 6, 2017
ATtiny IR Remote
ATtiny2313 Infrared Sender
parts:
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjIpZP8usq8HstxYTgCfCzKgRcEW6z2a42JAt_4XAyKLcWl4t4X4_fWdBrjrQRNnwyhQR8Kan4JunJOB-GqiaoEU0lGScgRFFC786UX3AhQRlmUUu2P_WYsGVh-Q301-Bh9hvLV0VqT-BVP/s200/IMG_20170506_210258.jpg)
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhZucA_-pIy5nUtrDa7Ei2-D9JE8UB-5hY7dMYEz8jfmBztPBFCqBArDdLQlUjaIfhy7sDmpeiH2q24F_CeBRUxSjk9pjFmibWSpbG-3nhy7cLcIgK0if9GPrOh1YnckOD24AuvWJoccvrF/s200/IMG_20170506_210326.jpg)
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEim_gzzGZ7Iq9EuvNsTOR8vVA8Fd6_CYiXPhz_hnun73lMDFZvGMVQeT_xJP4Lwsh3wibixAVIcC9eQKEtoQbe3KNmWJZ7FTdjeErEe7InhLwnglmHaCPd4glXqfkbXGr-hXdla074IvMBl/s200/IMG_20170506_210809.jpg)
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhVRXktjsmUoF-LLoLmFaK6e7GZHTrJ5oMP3jZzo5mI6354in9I4PndNkRMuAgMwN64Dh7aBe7fe4EYSSOheTqk_ISnvr-FMvdgT7tYCw4n3sw4RR3vDYwbPWu4BiyNuW6H7Aqp3qZmzbgx/s200/IMG_20170506_210858.jpg)
avr-gcc (main.c) code:
References:
ESP8266 IR Remote
z3t0/Arduino-IRremote
ATtiny Low Power
parts:
- ATtiny2313 @4MHz (internal oscillator)
- IR LED (series with 220-ohm resistor)
- Tact switches
- 3.7V lithium ion battery & Capacitor
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjIpZP8usq8HstxYTgCfCzKgRcEW6z2a42JAt_4XAyKLcWl4t4X4_fWdBrjrQRNnwyhQR8Kan4JunJOB-GqiaoEU0lGScgRFFC786UX3AhQRlmUUu2P_WYsGVh-Q301-Bh9hvLV0VqT-BVP/s200/IMG_20170506_210258.jpg)
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhZucA_-pIy5nUtrDa7Ei2-D9JE8UB-5hY7dMYEz8jfmBztPBFCqBArDdLQlUjaIfhy7sDmpeiH2q24F_CeBRUxSjk9pjFmibWSpbG-3nhy7cLcIgK0if9GPrOh1YnckOD24AuvWJoccvrF/s200/IMG_20170506_210326.jpg)
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEim_gzzGZ7Iq9EuvNsTOR8vVA8Fd6_CYiXPhz_hnun73lMDFZvGMVQeT_xJP4Lwsh3wibixAVIcC9eQKEtoQbe3KNmWJZ7FTdjeErEe7InhLwnglmHaCPd4glXqfkbXGr-hXdla074IvMBl/s200/IMG_20170506_210809.jpg)
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhVRXktjsmUoF-LLoLmFaK6e7GZHTrJ5oMP3jZzo5mI6354in9I4PndNkRMuAgMwN64Dh7aBe7fe4EYSSOheTqk_ISnvr-FMvdgT7tYCw4n3sw4RR3vDYwbPWu4BiyNuW6H7Aqp3qZmzbgx/s200/IMG_20170506_210858.jpg)
avr-gcc (main.c) code:
References:
ESP8266 IR Remote
z3t0/Arduino-IRremote
ATtiny Low Power
Friday, May 5, 2017
ESP8266 IR Remote
Control your appliances (e.g. TV and AV systems) via WiFi+IR.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhzbHUuEShiKOnwvkehe61aX9gyJdPkDtuSUDrCI-A3f2onfDxqWJ4FMdscihlNaKfllb3mLe7SNz9JD9NsPQtbVnyJhqe6VUfoDvGWhw4OHCVNFmTXmAxXoMCfmkR0IqwYPd6uud2vHFEL/s320/IRremote.jpg)
Arduino code:
References:
markszabo/IRremoteESP8266
Sony IR codes
Sony SIRC protocol
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhzbHUuEShiKOnwvkehe61aX9gyJdPkDtuSUDrCI-A3f2onfDxqWJ4FMdscihlNaKfllb3mLe7SNz9JD9NsPQtbVnyJhqe6VUfoDvGWhw4OHCVNFmTXmAxXoMCfmkR0IqwYPd6uud2vHFEL/s320/IRremote.jpg)
Arduino code:
References:
markszabo/IRremoteESP8266
Sony IR codes
Sony SIRC protocol
Sunday, January 29, 2017
WiFi RGB Matrix
Here's a DIY flexible 36x8 RGB-LED-matrix controlled via WiFi connection using an ESP8266 module.
Arduino Code: julznc/wifi_rgb_matrix
Assembly:
References:
NeoPixelBus - for interfacing WS2812 LEDs to ESP8266 controller
Adafruit-GFX-Library - with font library for displaying texts
LED Matrix Studio - for creating bitmap images
Arduino Code: julznc/wifi_rgb_matrix
Assembly:
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References:
NeoPixelBus - for interfacing WS2812 LEDs to ESP8266 controller
Adafruit-GFX-Library - with font library for displaying texts
LED Matrix Studio - for creating bitmap images
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