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Examples

Every built-in project, in one grid

Mokxi has 970 built-in example projects, from a blinking LED to games, sensors, motors and IoT, and every one opens and runs free in your browser in one click. Search by name, part or library, or narrow the grid by level, board and topic.

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970 projects

Blink and press, circuit drawing
Blink and press
A pushbutton and a 2 Hz clock, no processor in sight.
BeginnerBuilt in
Lights
Hello, breadboard
A switch, a resistor and an LED: the first circuit, with the whole loop in view.
BeginnerBuilt in
LightsSchool
MOSFET switch
A 2N7000 switching an LED from a slide switch, with no gate resistor anywhere: the switch a board pin reaches for.
BeginnerBuilt in
AnalogLights
IRF520 and D4184 MOSFET modules
One switch drives an IRF520 module and a D4184 module, each on a 12 V load: the IRF520 is half on from 5 V and off from 3.3 V.
IntermediateBuilt in
AnalogMotors
Zener regulator
A 1N4733A holding 5 V out of a 12 V supply, with the load line that says where it settles and what the load costs.
BeginnerBuilt in
AnalogSchool
LM317 adjustable supply
An LM317 on a 12 V adapter with 240 ohms and a 2 k pot: Vout = 1.25 V x (1 + R2/R1), from 1.25 V up to the dropout, with an LED on the output.
BeginnerBuilt in
AnalogSchool
Arduino on 12 V with an LM2596
A 12 V adapter into an LM2596 buck module set to 5 V, its output on the Uno 5V pin, and A0 reading the adapter through a 10k and 4.7k divider.
BeginnerBuilt in
Arduino Uno R3Analog
USB to 3.3 V
A USB-C breakout on a computer port feeds an AP2112K-3.3 low dropout regulator, which lights an LED at 3.3 V.
BeginnerBuilt in
AnalogSchool
One cell to 12 V
An 18650 cell into an MT3608 boost module set to 12 V lights a 12 V lamp, and keeps it lit at 12 V as the cell runs down.
BeginnerBuilt in
AnalogSchool
Mains to 17 V DC
A 230 V to 12-0-12 V mains transformer, two 1N4007s as a full-wave rectifier and 1000 uF of smoothing: a scope shows the ripple and a meter the DC into a 100 ohm load.
IntermediateBuilt in
AnalogSchool
Color to frequency
A TCS3200 color sensor with two slide switches picking its red, green, blue or clear filter and a frequency counter on OUT: the more of that color, the higher the frequency.
BeginnerBuilt in
SensorsSchool
Plus and minus 5 V
Two 12 V sources make a split supply, and a 7805 and a 7905 turn it into +5 V and -5 V, each with a load on it.
BeginnerBuilt in
AnalogSchool
555 tone
A 555 astable drives a piezo straight from the output pin, no board and no button.
IntermediateBuilt in
SoundSchool
Gate lab
Two buttons drive an AND, an XOR and a NOT, so the truth table lights up as you press.
BeginnerBuilt in
LightsSchool
Flip-flop lab
A clock, two D flip-flops and a multiplexer on three LEDs: a toggle, a one-tick delay, and set and reset on buttons.
BeginnerBuilt in
LightsSchool
Binary counter
Two 74HC74s ripple-count on four LEDs, four steps a second, no microcontroller.
AdvancedBuilt in
LightsSchool
Decade chaser
A 555 astable clocks a CD4017 decade counter and ten LEDs take turns to light, with no microcontroller.
IntermediateBuilt in
LightsSchool
Switch shifter
A 74HC165 loads an 8-way DIP switch at the press of a button and clocks the byte out one bit a second onto an LED.
IntermediateBuilt in
LightsSchool
BCD display
Four DIP switches set a number in binary and a CD4511 shows it as a digit on a seven-segment display.
BeginnerBuilt in
DisplaysSchool
Decoder chaser
A 74HC14 oscillator clocks a 74HC161 counter and a 74HC138 decoder lights one LED of eight at a time.
AdvancedBuilt in
LightsSchool
Up/down counter
A slide switch and a 74HC02 steer a clock into a 74HC193, which counts up or down in binary on four LEDs.
AdvancedBuilt in
LightsSchool
JK flip-flop counter
Two JK flip-flops in a 74HC112 toggle on each falling clock edge and count 0 to 3 in binary on two LEDs.
IntermediateBuilt in
LightsSchool
CD4060 timer
A CD4060 oscillates on two resistors and a capacitor and divides it down to blink four LEDs, each at half the rate of the one before.
IntermediateBuilt in
LightsSchool
Counting display
A CD4026 counts clock pulses and drives a seven-segment display itself, 0 to 9 and round again.
BeginnerBuilt in
DisplaysSchool

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Questions

Questions about the examples.

Do I need an account to run an example?

No. Every one of the 970 examples opens in the editor and runs with no account and nothing to install. An account is only needed to save your own copy.

Can I change an example and keep it?

Yes. Change the wiring or the code and press Run again. A free account saves 10 projects, which are public on Free; Pro adds private projects.

Which boards do the examples use?

Arduino boards from the Uno up, ESP32 and ESP8266 boards, the Raspberry Pi Pico, STM32 boards and more, and some need no microcontroller at all: pick a board, or No microcontroller, in the Board filter.

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