Source: https://andyfelong.com/2016/01/mongodb-3-0-9-binaries-for-raspberry-pi-2-jessie/ Zipped files: https://andyfelong.com/2017/08/mongodb-3-0-14-for-raspbian-stretch/ I’ve received feedback that some folks are having problems compiling MongoDB 3.0.7 per my instructions AND it takes a long time MongoDB 3.0.9 just became available but needs quite a few changes to source in order to compile on the Raspberry Pi. I worked through MongoDB build scripts for ARCH ARM Linux and […]
Configure NTP in RaspberryOS/Raspbian
Here we can find the steps that we need to follow for configure NTP service in our Raspberry Pi running Raspbian or RaspberryOS. Although ntpd is discontinued and nowadays there’re better options like openntp or chrony, nptd is the easyest service to configure time synchronization in our systems… let’s go! sudo apt-get install ntp Next […]
Update firmware of Smart Switch Sonoff S20 with powerful features
This week I received a new device… Sonoff S20 Smart Switch. After the basic test using the iOS App (EWeLink) knowed by me in other time, I started to find some information about the possibility of hack this device and connect it to my OpenHAB, and I found this interesting post in OpenHab Comuunity site: […]
Broadlink Black Bean (RM 3 Mini) IR Controller with OpenHAB
Today I discovered the powerful device Broadlink RM 3 Mini IR Controller. I purchased one of this last month, and arrived in 15-20 days as is usual with bangood purchases. I followed the instructions for connect it to my WiFi network and I did some test with my air-conditioner unit. It works fine, you starts […]
Hacking Sonoff switch, connect to OpenHAB and manage it with Siri
Once I tested the Sonoff switch with the standard functionallity, I needed to go further and this is the objective of this mini-project… manage this Wi-Fi switch with my voice. The steps to achieve this objective was: Hack the Sonoff firmware in order to upload my own code Connect it to my OpenHAB server Configure […]
Fix USB (unreadable / format error) using DISKPART
So to fix this issue I had to use a Windows program called Diskpart.exe and here is what I did to fix it: Press WinKEY + X – this opens special start menu items Click on Command Prompt (Admin) Type in command promt: diskpart list disk select disk X ; Where X is your USB […]
How to check Internet Speed via Terminal in Linux
If you only have access to a Linux Console, it will be difficult to you check the Internet Speed with the usual tools for this measure. An alternative would be the command line tool that speedtest-cli offers: wget -O speedtest-cli https://raw.github.com/sivel/speedtest-cli/master/speedtest_cli.py chmod +x speedtest-cli ./speedtest-cli You should get an output like this: Retrieving speedtest.net configuration… […]
SONOFF a cheap and wonderful Smart Wi-Fi switch
Few weeks ago I purchased in eBay a couple of this Wi-Fi switches and it just arrived today. There’re 2 versión of this switch (I buyed the first one): Wi-Fi: http://www.ebay.es/itm/Sonoff-ITEAD-WiFi-Wireless-Smart-Switch-Module-ABS-Shell-Socket-for-DIY-Home-/191876069401 RF 433Mhz with remote: http://www.ebay.es/itm/433Mhz-Sonoff-RF-WiFi-Wireless-Smart-Home-Switch-W-RF-Receiver-Remote-Control-/281943370113 My first impression is a good one. Their size is smallest as I imagine, and that is to be welcomed for […]
0.96″ I2C OLED Screen showing DHT22 sensor values over ESP8266 12-F
My first project will be a Temperature and Humidity sensor wired to an ESP8266 12-F with a OLED screen to show the data. Objective is to create a simple clock with 3D printed enclosure with: ESP8266 12-F DHT22 sensor 0.96″ I2C OLED screen Micro USB-Female for power (not LiPo at the moment) ESP8266 microcontroller apart […]