Enhancing my ordinary IP security cameras with #AI, pumping recognized objects data to #MQTT .. isn't #IoT cool? Blog post soon ..
Ordinary IP security cameras with AI
Where are the IT jobs in Sofia
New post: Where are the IT jobs in Sofia? https://harizanov.com/?p=4411
Where are the IT jobs in Sofia located?
I had a chat with a colleague the other day, discussing his property purchasing plans. He shared that the proximity to workplace is important for him. Planning in the long term, he asked me what districts of Sofia would be…
Upgrading my fan coil thermostats
Upgrading my fan coil thermostats http://harizanov.com/?p=4385 #IoT #HVAC #heatpump
Upgrading my fan coil thermostats
We use a DIY air-to-water heat pump for climate control (heating/cooling) of our house with a combination of water underfloor heating and fan coils in the rooms. The fan coils are equipped with basic thermostats that allow for heat/cool mode setting,…
Internet connected fire/smoke alarm project
New post: Internet connected fire/smoke alarm project http://harizanov.com/?p=4376 #IoT
Internet connected fire/smoke alarm project
This project is an upgrade to a previous project of mine – the DIY IoT smoke alarm. It is a more advanced version that uses dedicated hardware rather than the generic “Funky” project + external components. In essence, the module…
High security keyfob project
New post: High security keyfob project http://harizanov.com/?p=4362
High security key fob project
This project is about creating a high-security keyfob using Atmel’s ATSHA204 hardware authentication device. It was inspired by this post about security and signing. Many modern key fobs use various security techniques to prevent replay attacks, yet it turns out it is…
BBoilRF
New post: BBoilRF http://harizanov.com/?p=4341 #IoT
BBoilRF
This blog post is about a project I have been working on lately, the BBoilRF. It is a general purpose internet-connected relay actuator/gateway with support for low power, battery operated remote wireless sensor nodes. It was designed primarily for use…
Prototype of RF fireduino
Prototype of RF fireduino 🙂 #RFM69 #arduino #IoT
RFM69 keyfob project, already planning for v2 PCB
Making good progress on RFM69 keyfob project, already planning for v2 PCB
IoT keyfob project PCB
Secure #IoT keyfob project PCB just arrived
Pretty secure keyfob for an IoT project using atsha204 and
Working on a pretty secure keyfob for an #IoT project using atsha204 and RFM69
Security, Big Data and other challenges to the IoT
I will be doing a tech session on "#Security, Big Data and other challenges to the #IoT" at @ISTA_Conference 2017 https://www.istacon.org/Sessions/Session/12DCE70C-7085-4499-87DC-6D2954571FD5
4ch IoT relay board w power metering
Teardown of a 4ch #IoT relay board w/ power metering. Lack of galvanic isolation + narrow shared 40A live PCB trace makes me raise brows
Certification for the bboil IoT thermostat project
Certification for the bboil #IoT thermostat project is completed. What an experience! #esp8266 https://bboilrf.com
BLE beacons to MQTT
Got some BLE beacons to fiddle with. Part of BLE beacon to MQTT #esp32 #IoT project
Testing 433Mhz coiled spring antennas on rfm69
Testing 433Mhz coiled spring antennas on rfm69
Feeding the internet with even more cat images
Feeding the internet with even more cat images via @SpritesMods's esphttpd running on #ESP32 esp-idf #IoT
ESP32 BLE iBeacon to MQTT proof of concept bridge project
#ESP32 BLE iBeacon to #MQTT proof of concept bridge project.. #IoT
RFM69 on a breadboard
Needed to do quick and dirty PoC test using RFM69 on a breadboard,2mm pich adjusted to 2.54mm
Prototype bring-up sucess
Prototype bring-up sucess
Rewiring messed up SMD connections
Rewiring messed up SMD connections on prototype board
Agilent DSO-X3034A for few hours today
Got my hands on a @Agilent DSO-X3034A for few hours today, lovely piece of equipment other than that you have to sell a kidney to buy one.
IoT tech talk at DXC Technology HPE
Did an #IoT tech talk at DXC Technology (HPE)
Working prototype of ultra low power LCD display
Working prototype of ultra low power (20 uA) LCD display for battery operated wireless temperature #IoT node
Battery operated wireless temperature sensor node code
Heavily revised my old battery operated wireless temperature sensor node code, achieved 15% lower current consumption footprint.. #IoT
Ultra low power status display for battery operated
Working on ultra low power status display for battery operated wireless temperature sensor #IoT
I2C retrofit
I2C retrofit 😉
Recording of my IoT startup tech talk at ISTA conference
Recording of my "#IoT startup" tech talk at ISTA conference https://www.youtube.com/watch?v=gHo0Sgn_E7o