7 Results for "pnp"

Transistor Basics | BD139 & BD140 Power Tutorial
Project by akarshagarwal98
Learn about some basic transistor circuits, we will look at the BD139 & BD140 Power transistor pair and look at circuits for Arduino/ESP8266
- 4
- 4

433MHz MQTT remote
Project by davedarko
with the oh so popular ESP12 of course!
- 10
- 6

WiFi LED Lamp
Project by Sukasa
ESP8266-equipped decorative lamp
- 465
- 10

Project Ding Dong
Project by Ronny Majani
Setup my doorbell to message me on telegram whenever someone comes knocking.
- 1
- 0

SubPos Positioning System
Project by Blecky
A "dataless" Wi-Fi positioning system that can be used anywhere GPS can't.
- 745
- 355

Pet tracker that will work for years.
Project by Paul
Ultimate combination of ESP8266, GPS and GSM modules. Track your lost pet, get push notifications, check most frequently visited locations.
- 9
- 10

Non-Invasive Alzheimer's Light Therapy Devices
Project by Adellar Irankunda
A host of IoT devices aimed at helping administer light therapy treatment to Alzheimer's patients (based on MIT study)
- 1.8k
- 15