Collaborate Disseminate
The ESP32, while first thought to be little more than a way of adding wireless capabilities to other microcontrollers, has quickly replaced many of them with its ability to be …read more Continue reading Streaming Video From an ESP32
In our experience, there’s rarely any question when the cat uses the litter box. At all. In the entire house. For hours. And while it may be instantly obvious to …read more Continue reading Litter Box Sensor Lets You Know Exactly What the Cat’s Been Up To
When science fiction authors imagined robots in the 20th century, many of them were huge imposing steel automatons. [Shane]’s designs for the Pretty Small Robot are quite contrary to that, …read more Continue reading Pretty Small Robot Is Capable, Nonetheless
Here at Hackaday, we definitely love to celebrate the hard hacks: the insane feats of reverse engineering, the physics-defying flights of fancy, or the abuse of cutting edge technology. But …read more Continue reading Hack Simple
One of the Paho MQTT client SSL options allows checking whether "a certificate matches the given host name.". If I enable this option then I cannot establish a TLS connection to MQTT using an IP address. In case it is relevant: t… Continue reading How does the MITM attack work when a client does not check the hostname vs the certificate? [duplicate]
I was running MQTT broker in my pc and tried to connect to it via mqtt client in same PC. using x509 cert for mutual tls. SSL Handshake was failing with RST from server. This was happening only in my PC.
When I tried to do the same setup i… Continue reading SSL handshake failure | Client hello(success) -> Server ACK (success) -> server RST (connection closed)
Looking for the perfect winter desk accessory? [Wq] has created a beautiful coaster made out of PCBs that can keep your drink warm with an internal heater. (Chinese). An ESP8266 …read more Continue reading ESP8266 Coaster Keeps Your Drink Warm
If you have an RTL-SDR compatible radio there’s an excellent chance you’ve heard of the rtl_433 project, which lets you receive and decode signals from an ever-expanding list of supported …read more Continue reading Arduino Library Brings rtl_433 to the ESP32
I am trying to automate the creation of certificates, using the steps from a StackOverflow answer here.
These are the commands I’m trying:
openssl genrsa -des3 -out ca.key 2048
openssl req -new -key ca.key -out ca-cert-request.csr -sha256… Continue reading My OpenSSL certificates fail with Mosquitto [migrated]
For those unfamiliar with the details of the expansive work of fiction of Harry Potter, it did introduce a few ideas that have really stuck in the collective conscious. Besides …read more Continue reading Weasley Clock For Magically Low Cost