happytm's repositories
BatteryNode
Simplest DIY low power, low cost, standalone or web connected IOT sensors network framework using ESP32 or ESP8266 (no third party service required).
MotionDetector
Use the ESP32 as a software motion detector for whole house based on multipath interference in RSSI. Will detect human intruders when they cross the path between the ESP32 and other access points or wifi clients or freely move inside rooms / apartments..
SunTracker
Sun Tracker using ESP32
AudioTransport
Wireless Codec2 compressed audio transport over ESPNow using ESP32 micro controller.
EasyAntennas
DIY easy to build high gain wire antennas with 4nec2 models.
crowd-density-heatmap
This is a front-end web application written in JavaScript that uses the Leaflet library to display a heatmap layer of the crowd of Das Fest 2018 over the corresponding map location.
ATtiny13-TinyDecoder
IR Remote Receiver and Decoder
ATtiny13-TinyRemote
IR Remote Control
ch58x-hal
HAL for the CH583/CH582/CH581 family of microcontrollers. BLE 5.3, RISC-V Qingke V4.
digital-walkie-talkie
Walkie-talkie using digital voice transmission
dRehmFlight
Teensy/Arduino flight controller and stabilization for small-scale VTOL vehicles
esp32-cam-fpv
esp32 cam digital low latency fpv
esp32_codec2_arduino
Codec2 low bit rate audio codec Arduino library for ESP32
happytm.github.io
4nec2 viewer
IRsmallDecoder
A small, fast and reliable infrared signals decoder to control Arduino projects with remotes.
lorain
Lorawan Rain Level Sensor
multistatic_passive_interference_radar_ESP32
Radar and motion detector purely based on ESP32 onboard wifi radio, multistatic passive version.
radio-locator
Research project investigating LoRa RSSI radio positioning and navigation systems.
serialTerminal.com
A browser based serial terminal. No plugins. Vanilla javascript.
SimpleMachines
Practical application examples of simple machines
uPlot
📈 A small, fast chart for time series, lines, areas, ohlc & bars
vis-graph3d
📊 Create interactive, animated 3d graphs. Surfaces, lines, dots and block styling out of the box.
webvm
Virtual Machine for the Web