€15 IoT Geiger Counter using ESP8266

€15 IoT Geiger Counter using ESP8266

Geiger counters are devices used to detect radioactive emissions, most commonly beta particles and gamma rays.


PWM Fan controller

PWM Fan controller

Lucky Resistor has build a PWM fan controller using Arduino and DHT22 sesnsors.


Recover Bricked ATtiny Using Arduino as high voltage programmer

Recover Bricked ATtiny Using Arduino as high voltage programmer

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Components Tools by Rik
Dual set point programmable thermostat

Dual set point programmable thermostat

Programmable thermostats are cool things.


$15 Arduino-Based Reflow Oven Controller

$15 Arduino-Based Reflow Oven Controller

A reflow oven is one of the most useful tools for hardware developers, a machine used primarily for reflow soldering of surface...


$14.5 All-Purpose Switched-Mode Power Supply

$14.5 All-Purpose Switched-Mode Power Supply

Switching technology devices and integrated circuits are growing fast providing solutions that obtain power for different kind of...


Making a Geiger counter with 555 timer IC

Making a Geiger counter with 555 timer IC

Radioactive particles are found abundantly in nature.


RC Signal Monitor Using Bargraph & RC Switch using Relay

RC Signal Monitor Using Bargraph & RC Switch using Relay

The versatile Bar-Graph SMD components based R/C monitor & R/C switch is a great tool for R/C hobbyist R/C modeller and DIY...


Tibbo – MQTT Library Demo

Tibbo – MQTT Library Demo

Tibbo created two small programs that illustrate how easy it is to write MQTT-enabled apps in Tibbo BASIC or Tibbo C.


40 Pin & 28 Pin dsPIC Development Board

40 Pin & 28 Pin dsPIC Development Board

The dsPIC Development board has been designed mainly for Motor dsPIC30F4011 Digital Signal Controller in the 40-pin motor control...


18 PIN PIC Development Board with Header IO

18 PIN PIC Development Board with Header IO

PIC16F 18-pin Development Board will help you with your prototyping.


Tools for the Electronics Hobbyist Part 2- LC200A L/C Meter

Tools for the Electronics Hobbyist Part 2- LC200A L/C Meter

When I started to deal with Chinese electronics suppliers from websites like Alibaba, Aliexpress and Taobao, I discovered that...