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iot

Addressing a program with a port and a socket, and reading well-known ports

taught

Taught in

Requires

Required by

Local knowledge map

Local knowledge map

Explaining how acknowledgements, timeouts and… Explaining publish/subscribe through a broker and… Getting wall-clock time onto a device with NTP, timestampin… Measuring and budgeting latency, throughput and loss… Reading CoAP requests and responses -- confirmable messages,… Reading an HTTP request and response -- method, path,… Sending messages between ESP32s with ESP-NOW, without an… Capturing your own device's traffic and reading its layers an… Describing UDP datagrams, their size limits, and what UDP… Tracing a TCP connection's handshake, byte strea… Addressing a program with a port and a socket, and reading… Experimenting only on networks and devices you own, on an… Finding devices on a local network by name with mDNS and DNS-SD Joining a Wi-Fi network from an ESP32 in station mode,… Naming the ways a device's connection fails (access point,… Explaining how a device gets an address with DHCP and finds a… Explaining default gateways, private addresses and NAT, an…

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Solid arrows are required prerequisites; dashed are recommended or helpful. Lower rows are more foundational. Click any box to jump to that concept.